# ControlTips

CTPTipText:
** RELEASE RATE **
Enter Maximum Release Rate of substance as a result of accident in grammes per second
If there is no release leave cell blank or enter "0"


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** PROBABILITY **
"H" for high (once a month)
"M" for medium (once a year)
"L" for low (once every 10 years)
"N" for negligible (once every 100 years)
(SEE GUIDANCE SECTION 3.5.1)


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** DETAILED MODELLING PC **
If Detailed Modelling has been carried out.
Enter PC air from detailed modelling this will be used in the assessment.
If no detailed modelling has been carried out Enter "0" or leave cell blank


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** SUBSTANCE  **
Enter the substance released as a result of accident


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** EAL/EQS SHORT TERM **
Enter Short Term EAL or EQS for substance released in mircogrammes/cubic metre
Enter "0" or leave cell blank if no EAL or EQS exists
(SEE GUIDANCE SECTION 3.1 and APPENDIX D3)


CTPTipText:
List the consequences of the incident, relating these to their impact on the receiving environment. This may include reference to:
-the medium to which releases are made
- the substances and quantities released
- the time over which the release occurs
- whether permitted ELVs will be exceeded
- whether EQSs or EALs will be exceeded


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List the potential hazard scenarios. See page help and section 3.7 of the H1 guidance fo tips on the scope.


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List the incident associated with the hazard.


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Insert a likelihood score using the matrix presented in section 3.7.1 of H1.


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Insert a severity score using the matrix presented in section 3.7.2 of H1


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** CONCENTRATION **
Enter Highest concentration in microgrammes per litre released as a result of accident
If there is no release of substance from this Option Enter "0"


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** SHORT TERM EAL WATER **
Enter the short term EAL for water for substance
Enter "0" if no EAL or EQS applies
(SEE GUIDANCE SECTION 3.3 and APPENDIX D4 & D5)


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After considering the guidelines in Annex F, indicate here whether the emission can be considered to have an insignificant impact when deposited to land.


CTPTipText:
With reference to Annex F, provide a reason for judging whether the emission has been considered insignificant, or whether further assessment is judged to be necessary.


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In order to determine the risk of breaching an EQS or EAL, you need to take the existing concentration of the substance into account.  Such information may be obtained from the local authority or from national databases such as the DEFRA website or the National Air Emissions Inventory.

Enter the long term background concentration of the substance into the box as indicated.


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Provide basic information about the source of data you have used. If you HAVE undertaken modelling, this should be described in detail in your modelling report anyway.


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See the guidelines in Annex F and provide a justification of the decision based on these guidelines.


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See guidelines in Annex F. Decision should be based on consideration of all three aspects listed here.


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You may add as much text here as needed to make the case for or against modelling. Alternatively, you may refer to documentation elsewhere.


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State the location of all relevant dispersion modelling documentation. This will usually be submitted as a separate report.  Guidelines on the key components of an air dispersion modelling exercise are provided in Appendix C of Annex F, or can be obtained from the Regulator.


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See guidelines in Annex F and provide justification for decision based on these guidelines.


CTPTipText:
See guidelines in Annex F and provide justification for decisions based on these guidelines.


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If you have carried out detailed dispersion modelling of the releases under the same operating conditions as assumed for this assessment or option, you may enter the representative long term process contribution here.  This will allow you to generate a more realistic (and usually less pessimistic) assessment of environmental impact. You should provide details of the location of the modelling data in the comments box below.

In any case, there are guidelines in the next phases which will ask you to decide whether more accurate modelling is warranted.


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If you have carried out detailed dispersion modelling of the releases under the same operating conditions as assumed for this assessment or option, you may enter the representative short term process contribution here.  This will allow you to generate a more realistic (and usually less pessimistic) assessment of environmental impact. You should provide details of the location of the modelling data in the comments box below.

In any case, there are guidelines in the next phases which will ask you to decide whether more accurate modelling is warranted.


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The EALs for air are automatically selected from the database.


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Emissions with a Process Contribution (PC) that is less than 1% of the EAL can be considered to be insignificant, and will be screened from further assessment in this methodology. See Annex F for guidance.


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This value is calculated automatically by multpilying your Annual (Long Term) Concentration by your Total Flow and lastly by your Operating Mode for that substance. (See 'Box Help' on Operating Mode for details of how this should be calculated).


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Select the method by which the substance is measured, and describe this is further detail in the comments box below. The reason for entering this information is that it indicates the level of accuracy of the data. (It is assumed that the monitoring carried out at the facility is already at an appropriate level to meet BAT requirements). 

If you monitor CONTINUOUSLY for a particular substance, you should be able to characterise the variation in emissions very accurately, and be able to derive hourly and annual mean concentrations fairly readily.

If you only undertake PERIODIC monitoring, you should describe the nature of this, and how you have used this data to arrive at representative concentrations to assess short term and long term effects.  For example, if you monitor twice a year over an 8-hour period, you might decide to assume the average of the 2 eight hour periods as an "annual mean" for the assessment of long term effects, and the maximum of all of the hourly means within both monitoring periods for the assessment of short term effects.

If you are using ESTIMATED data, you should describe how this has been done, eg whether by mass balance, scale-up from laboratory or pilot test etc.  You may only be able to present data that can be used as an annual average if no characterisation of emission patterns has been done.

Note that in all cases, if you have not entered data that relates to short term effects, the software will automatically check the concentrations entered for long term effects against short term benchmarks too.

Short term and long term concentrations are only relevant to substances causing possible toxic effects to human or ecological receptors.  If the substances released do not have toxic effects you only need to provide data on the annual rate released.


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Operating mode is required in all cases and/or will automatically default to 100%. This figure represents the proportion of the year that this substance will be released by your process(s) e.g. if you operate the process for 12 hrs per day, 6 days per week the % would be 12/24 x 6/7 = 42.9%.


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State the measurement basis or assumptions used in the determination of the long term (annual mean) release concentration. For example:
"annual mean of continuous 24 hour means"
- "95%ile of continuous monitoring"
- "mean of 16 hourly means from periodic monitoring (as described in comments box)"
 

See Annex F for more guidance.


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Enter the concentration of the substance representative of long term effects.  This should be provided on the basis of an annual mean, where possible, depending on the method of measurement undertaken.  This is because the benchmarks against which the impact will be assessed have been derived on the basis of an annual mean.

This value should be compared with any statutory or indicative emission limit values to ensure compliance.


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Release rate in grammes per second is calcuated automatically


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**  DETAILED DISPERSION MODELLING **
Enter the Results of Long term Detailed Dispersion modelling for each substance in microgrammes/m3
Enter "0" if the substance is not released from this Release Point
(This Data over-rides the PCs calculated)


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** DETAILED DISPERSION MODELLING **
Enter the Results of Short Term Detailed Dispersion modelling for each substance in microgrammes/m3
Enter "0" if the substance is not released from this Release Point
(This Data over-rides the PCs calculated)


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State the measurement basis used in the determination of the short term release concentration.


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Enter the concentration of the substance representative of short term effects.  This should be provided on the basis of an hourly mean, where possible, (except for SO2 which is a 15 minute mean) depending on the method of measurement undertaken.  This is because the benchmarks against which the impact will be assessed have been derived on the basis of an hourly mean.

If you do not have data representative of short term effects, the concentrations relating to long term effects will also be compared against short term benchmarks.


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Short Term release rate in grammes per second is calcuated automatically


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Select each substance released from the pull down list. Click on the list and use the first letter of the substance and scroll bar to locate the substance of interest.

A few substances are listed twice, with a "human health" or "vegetation" suffix. This refers to the receptor for which an environmental impact benchmark for that substance has been derived. You should select the one which is appropriate to your location. If you are unsure at this stage, select "human health". You can return later and change this if you subsequently decide that "vegetation" is more appropriate. 
There are some guidelines in Annex F which explain how to treat pollutants commonly measured as a group. A brief summary is provided below:
- For VOCs that have not been characterised, assume 100% benzene.
- For NOx, assume 100% NO2 for long term effects and 50% NO, 50% NO2 for short term effects at this stage of the assessment, unless you can justify reasons for an alternative approach (use the comments box).
- For heavy metals, assume 100% most toxic of the group. 

If the substance is not listed, select "new substance" and follow the sub-menu. This asks you to input relevant impact data for the substance. The methodology for doing this is described in Annex F.


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Enter any statutory or indicative emission limit values for the substance here, with reference to Sector Guidance Notes. 

Note that:
Options that exceed statutory levels are UNACCEPTABLE. 
Options that exceed indicative levels need JUSTIFICATION for deviating from the indicative BAT level.


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** BACKGROUND CONCENTRATION **
If Significant enter Longterm background concentration in microgrammes/metre cubed for each substance.
If not significant or the background concentation is not relevant Enter "0" or leave cell blank


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** SENSITIVE RECEPTOR **
Enter "y" If substance sensitive receptors are likely to be damaged by the release from the process


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** EAL/EQS **
Enter the EAL or EQS for substance in microgrammes/metre cubed
If there is No EAL or EQS leave the cell blank or enter "0"
(SEE GUIDANCE SECTION 3.1 and APPENDIX D)


CTPTipText:
Provide a brief description of the activities that the release point serves. The aim of this is to enable the contribution of the particular activity or activities to the total environmental impact to be identified when the results are displayed.  This can help you to target subsequent control priorities.  
Try to pick an "identifier" activity that suits the type of operations on your site, if possible linked to particular unit operations. However, this will not always be straightforward as often common stacks are used for several processing streams. In these cases, indicate the main grouping, eg:
- flue serving boilers 1 - 4
- flare serving process units X, Y & Z


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Provide a short description or code.  This could follow the protocol of "A1, A2" etc.  This descriptor and the location will be used to identify the release point in the subsequent pages.

Only include release points that are relevant to the option or operating scenario being assessed.

Remember to include fugitive releases if these are relevant.


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Enter the effective height of the release point. Where dispersion from the chimney is not affected by the presence of nearby buildings (see 5L Rule) and the stack is > 2.5 times the building height the effective height = the stack height. Where the chimney height is > 3 metres above the building height, but < 2.5 times the height of the building, and the chimney height is > the height of any building within 5L, then the effective height is calculated using the equation Eff Ht = 1.66 (Stack height – building height) expressed in metres. Where the chimney height is < 3 metres above the building or its total height above ground is < the height of any building within 5L the effective height = zero. Guidance is provided in Appendix D of Annex F.

Fugitive releases are assigned a "zero" stack height.


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Note that efflux velocity may vary between different options.


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Provide a brief description that will identify the location of the release point. If known, enter the grid reference.


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If you have valid dispersion modelling data available for the releases, enter the long term dispersion rate here, expressed as maximum ground level concentration per unit mass emission rate.


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If you have valid dispersion modelling data available for the releases, enter the short term dispersion rate here, expressed as maximum ground level concentration per unit mass emission rate.


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Enter the Total Volume Flow of Gas exiting the Release Point in metres cubed per hour. Note that this may vary between options.


CTPTipText:
** BACKGROUND CONCENTRATION **
If Release is Significant
Enter Short Term background concentration in microgrammes/metre cubed for each substance.
If the Release is not significant or the background concentation is not relevant Enter "0" or leave blank


CTPTipText:
Use the guidelines provided in Annex K to assist you in making your decision.

In addition to the information presented in this software tool, you may wish to provide further analysis to suit the particular nature of your options appraisal. For example, you may wish to present the cost/benefit balance for each option in terms of "annualised costs per unit of pollution reduced" or "annualised costs per unit of environmental impact (where the impact is presented as EQ, GWP or POCP etc.)"


CTPTipText:
Read module 5 of H1 before completing this section.


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Enter the discount rate as an integer, eg for a 6% rate, enter "6".  

The discount rate usually reflects the cost of capital and degree of risk. Internal "hurdle" rates used for internal project appraisal are not appropriate as these tend to over-estimate the required return on investment.  "Real" rates are typically between 6 and 12%.


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Enter the assumed life of the option in whole years.  This should be based on the actual life of the asset, to reflect a realistic replacement timescale.


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** ENERGY CONSUMPTION **
Enter the MWh of energy consumed from each fuel type 
Enter "0" if the fuel type is not used
See Annex H for guidance.


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Conversion Factor from delivered to primary energy, to take efficiency into account: only relevant for indirect releases.


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Enter the amount of energy in MWh, as delivered, used in the option. 
See Annex H for guidance.


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Select an energy source from the list.
For indirect sources (except public supply) also enter conversion factor and CO2 factor on sub-menu, obtained by double clicking. See Annex H for guidance.

To add another energy source besides those listed:
 - click ADD 
 - type a title for the Energy Source
 - Double click on the name

Note that you will need to enter site-specific conversion and CO2 factors for imported heat or power that has not come from the public supply, or for other fuels not on the pull down list.


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Primary energy is calculated from delivered energy using the efficiency conversion factor. For indirect emissions only.


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For electricity from sources other than the public supply, and for other imported energy, you should add the appropriate conversion factor. See Annex H for guidance.  For electricity from public supply use the default factor.  All other listed sources have a default conversion factor that is the same as those used in the CCA and ETS. If you have added a new energy source to the list, you will need to add the appropriate conversion factor.


CTPTipText:
For electricity from sources other than the public supply, and for other imported energy, you should add the appropriate conversion factor. See Annex H for guidance.  For electricity from public supply use the default factor. All other sources do not require a conversion factor.


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There are a number of statutory Environmental Quality Standards in existence for emissions to air. These are listed in Appendix B of Annex F.  Existing background levels of these substances can be obtained from your local authority or national monitoring databases such as the DEFRA website or the National Air Emissions Inventory.


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Some local authorities have declared air quality management plans for certain pollutants. You should take note of any that are relevant to emissions from your process.


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Plume obscuration is a subjective issue, having mostly "annoyance" value than direct harm.  Consideration of the proximity of the facility and its emissions to local centres of population should be made when assessing the likely degree of importance of these issues. Note that a visible plume in a discharge to surface water is unlikely to receive approval.


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The presence of particularly sensitive habitats or ecological receptors can be a critical issue for certain emissions. This may warrant more detailed assessment of the fate and effects of emissions in some cases.


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For new facilities, or changes to existing facilities, you should also check that any proposals for water abstraction are acceptable, by consulting with the local Regulator. This helps to avoid unwelcome surprises for the operator should an abstraction licence be turned down after an operator has put considerable effort into making detailed proposals.


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A number of statutory Environmental Quality Standards are in existence for substances in controlled waters.  These are listed in Annex D3.

Information on the existing background level of these substances can be obtained from your local Environmental Regulator.


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Direct releases to land should normally be avoided. In the rare cases where they exist, you should confirm that the risk to groundwater has taken into account local conditions.


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carbon dioxide emissions from the energy consumption inventory will automatically be displayed here, according to indirect and direct releases. In addition, any non-energy greenhouse gases released directly from the process.


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See the guidelines in section 3.6.2 of H1 to make this estimation.


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See guidelinesin section 3.6.2 of H1 onhow to make this estimation.


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Refer to the guidelines in section 3.6.2 of H1 and describe the approach to calculating predicted noise levels.


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** BACKGROUND DAY **
Enter Background noise dB


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** BACKGROUND NIGHT **
Enter Background noise dB


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** MODELLING REQUIRED **
Is detailed modelling of noise required for the noise sensitive location
Modelling required enter "Y"
Modelling not required enter "N"


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** PLANNING NOISE LEVELS **
Enter planning or other noise level limits on site in dB


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Enter a description of the nearest sensitive receptor to the noise source (outside the boundary of the site).


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** QUALITATIVE SCREENING **
If the qualitative screen has indicated that the noise is significant 
Enter "S" 
In insignificant 
Enter "I" or leave cell blank


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** SOURCE OF NOISE **
Enter brief detials of the Source of Noise (30 Characters)


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** NOISE TYPE **
Enter 
"C" for continuous noise
"N" for non continuous noise
"I" Impluse noise


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** NOISE SENSITIVE LOCATION **
Enter brief detials of Sensitive Location (100 Characters)


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With reference to section 3.6.1 of H1, indicate here whether it is possible to screen the noise source as insignificant.


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Refer to the guidelines in section 3.6.1 of H1 to provide a justification for screening any sources as insignificant.


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The sources listed in the inventory will appear in this column.


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Select whether the noise source is stationary or moblie. This is needed when calculating the noise levels at a later stage.


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If known, enter any other noise level data and provide details in the basis.


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If known, enter the daytime noise rating. If not known, leave blank


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If known, enter the night time noise rating. If not known, leave blank.


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Enter a short description of  potential noise sources here.


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select whether the noise is continuous or intermittent


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Provide a brief description here of the objectives. See the examples below for level of detail required.

If you are submitting more than one ENVIRONMENTAL ASSESSMENT (eg in cases where emissions are dependent on operating scenario), also describe here the scenario on which the assessment is based. For example:
"Assessment 1: To assess maximum impact of emissions at 100% load (worst case)" or "Assessment 2: To assess impact of emissions at 75% load (normal operation)"

If you are doing OPTIONS APPRAISAL and wish to incorporate different operating scenarios, these can be included as separate options as set out in the following steps of H1.


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Compounds will be copied over from the Air Release Points page.


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Provide a justification for screening out insignificant releases, with reference to the guidelines in the section "Odour Screening Tool" in Annex F.


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Sources will be copied over from the inventory


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Identify odorous substances associated with the release point. These may be specific chemicals or generic odour types.


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‘Odour concentration’ should be entered and expressed as odour units per cubic metre.


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Select the offensiveness category for each odour. H4 gives thresholds for these as ‘Most offensive’ 1.5 OU/m3, ‘Moderately offensive’ 3 OU/m3, ‘Less offensive’ 6 OU/m3. These are the standards against which the releases will be compared for screening.


CTPTipText:
** SCREENING **
If odour is not an issue Enter "NAI"
If odour is contained(or will be contained) Enter "OC"
If there are no odour problems Enter "NOP"
If there is an odour problem and if cannot be screened out at this stage Enter "POP"


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List all sources of potentially odorous substances, including point source and fugitive sources.  The options in this field reflects entries in the Air Release Points page. This is necessary to enable the effective height of release to be utilised in the calculation of odour ground level concentration.


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Provide justification for screening out or reference to any relevant documentation.


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Sources that are not screened as insignificant will be copied from previous step.


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In many cases there can be a cross-media conflict, ie where the best option overall is not immediately obvious because no option scores the lowest in each environmental category.


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If you can identify one option that results in the lowest, or equal lowest impact, for all of the considerations assessed, answer "Yes" here.


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If you answered "yes" to the above question, ie you can clearly identify a lowest option all-round, indicate here whether you are going to select and implement that option as BAT.

Usually, to determine BAT you would also take the costs of implementing a particular option in mind, but if you are satisfied that the costs are not an issue, then you may wish to implement the best option without further assessment of costs.


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You may need to take the following into account when judging the importance of this consideration:
- the general level of risk score of the options as a whole


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Select the relative importance that you have placed on this environmental consideration. See guidelines in Annex K.


CTPTipText:
You may need to take the following into account when judging the importance of this consideration:
- the risk of breaching any EQSs or EALs
- the magnitude of contributions to EQSs or EALs
- whether any air quality management areas exist that include substances relevant to the appraisal
- the potential impact to sensitive local receptors
- the contribution of the facility to any sector plans or national targets for certain substances


CTPTipText:
Select the relative importance that you have placed on this environmental consideration.


CTPTipText:
You may need to take the following into account when judging the importance of this consideration:
- the risk of breaching any EQSs or EALs
- the magnitude of contributions to EQSs or EALs
- whether any air quality management areas exist that include substances relevant to the appraisal
- the potential impact to sensitive local receptors


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You may need to take the following into account when judging the importance of this consideration:
- the contribution to critical loads for acidification and eutrophication (where relevant)
- the potential impact to sensitive local receptors
- the nature of the effects: long term irreversible effects may be considered to be worse than short term reversible ones.
- the nature of the substances deposited: deposition of highly persistent, bioaccumulative, toxic or carcinogenic substances may be considered of greater importance
- the contribution of the facility to any sector plans or national targets for reduction of certain substances


CTPTipText:
Read guidelines in Annex K. You may need to provide this information as a separate report.


CTPTipText:
You may need to take the following into account when judging the importance of this consideration:
- the magnitude of contributions of the options as a whole
- the contribution of the facility to any sector plans or national targets for certain substances


CTPTipText:
You may need to take the following into account when judging the importance of this consideration:
- the risk of breaching any noise thresholds 
- the potential impact to sensitive local receptors


CTPTipText:
You may need to take the following into account when judging the importance of this consideration:
- the magnitude of contributions from the options as a whole 
- the contribution of the facility to any sector plans or national targets for certain substances


CTPTipText:
You may need to take the following into account when judging the importance of this consideration:
- the potential impact to sensitive local receptors


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You may need to take the following into account when judging the importance of this consideration:
- the magnitude of the waste scores for the options as a whole
- the contribution of the facility to any sector plans or national targets for reduction of wastes


CTPTipText:
You may need to take the following into account when judging the importance of this consideration:
- the risk of breaching any EQSs or EALs
- the magnitude of contributions to EQSs or EALs
- the nature of the substances released: highly persistent, bioaccumulative, toxic and carcinogenic substances should be priority considerations for control
- the potential impact to sensitive local receptors
- the contribution of the facility to any sector plans, local catchment targets or national targets for certain substances


CTPTipText:
You may need to take the following into account when judging the importance of this consideration:
- the risk of breaching any EQSs or EALs
- the magnitude of contributions to EQSs or EALs
- the nature of the substances released: highly persistent, bioaccumulative, toxic and carcinogenic substances should be priority considerations for control
- the potential impact to sensitive local receptors

(Note that the assessment of short term releases to water is not always relevant)


CTPTipText:
Enter a description of each Option here. This should focus on the main features of the technique, which may include the following where relevant:
- specification of material quality
- efficiency of pollution control
- nature of any reagents
- nature of any residues or emissions

For example:
"Limestone-gypsum scrubber: limestone grade 98% CaCO3; 90% acid gas removal; liquid effluent treated in effluent treatment plant; solid residue recovered as by-product"


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Type in each activity associated with the option in the box next to the arrow, with any relevant details. See Overview document for further guidance.


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Enter a brief title here to distinguish the option from any of the others. This will be used to identify the option in the subsequent stages.  

Further description of the option can be done in the adjacent input box.


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** GWP **
Enter Global Warming Potential Value
(SEE GUIDANCE SECTION 3.9.1 and APPENDIX F) 
If the substance has no global warming potential. Enter "0" or leave cell blank.


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** POCP VALUE **
Enter the Photochemical ozone creation potential value for each substance (SEE GUIDANCE SECTION 3.8.1 and APPENDIX E)
Enter "0" or leave cell blank if the substance does not have a POCP value


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Select one material of the list that is the key production indicator, eg. For a coal power station "coal", for a cement kiln "limestone". Sector Guidance may provide indicative materials.
This will be used to determine performance indicators.


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Provide a short description of the material.


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Select units from the pull down list. If "other" describe in the comments box.


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Enter the company name, or the name by which the facility is known.


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Enter a Description of the location, eg short address, here.


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See Overview document Table 1 for further information. Please note that if the 'Justification' fields are filled-in there is no need to remove the 'tick' from the box.


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** Beyond Boundary **
see guidelines in Annex A.


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** Visible Plume **
see guidelines in Annex A.


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** MASS OF WASTE ARISINGS **
Enter the mass of waste stream produced in kg/year


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** WASTE STREAM **
Enter details of the waste stream (100 Characters)


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** TYPE OF WASTE **
For Inert Waste: Enter "I"
For Non Hazardous Waste: Enter "NH"
For Hazardous Waste: Enter "H" 
(SEE GUIDANCE SECTION 2.1)


CTPTipText:
enter mass in tonnes per annum remaining after treatment. In some cases the mass will be reduced.


CTPTipText:
Select the relevant distance to the disposal/treatment facility from the list provided.  A relative score is allocated to the distance selected.


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Select the treatment or disposal option that the waste stream undergoes after leaving the facility (or at the facility if the disposal option is part of the facility). See Annex G of H1 for guidance.


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Select the final treatment or disposal method from the list given. A relative score has been allocated to each method, related to the position of the method on the waste hierarchy.


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Waste Stream will copy from waste inventory


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Select the nature of the waste from the pick list according to the nature of the waste as it leaves the facility for disposal or treatment elsewhere (unless disposed of within the facility).


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Enter mass of each waste stream produced each year.


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List each of the waste streams that result from the activities or options.  See page help for degree of detail.


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Provide a short description, eg name of the river, estuary or coastal region.  This will be used to identify the release point in subsequent steps.


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Select the final discharge point from the list.  This is used to trigger the relevant assessment calculation in subsequent steps. There are separate methods for discharges to fresh water and to salt water. Fresh water assessments are a 5 stage quantatative process, TraC (estuarine & coastal) waters also includes a qualatative approach. TraC (Riverine) reflects discharges to Upper Estuaries where freshwater dominates dispersion. Assessments of discharges to fresh water use freshwater EQS and for saltwater discharges saltwater EQS and saltwater EQS for upper estuaries.


CTPTipText:
Q95 is a low natural river flow that is exceeded for 95% of the year. Input the Q95 river flow rate for discharges to Freshwater and to TraC (Riverine) waters. This information may be obtained from your local Regulator or from the EA website. No entries are required here for salt waters. TraC Riverine flow is the flow of freshwater into the upper reaches of the estuary. For flows expressed in cumecs/day divide by 86,400 to get cumecs. (m3/s)


CTPTipText:
Enter the annual average (long term) water background concentration here. See Annex D for further information and data sources.  You should describe the source of the data in the comments box below.


CTPTipText:
Give the source of substance background concentrations.


CTPTipText:
Decision for further modelling should be based on consideration of all three aspects listed here in combination. See Annex D for more information.


CTPTipText:
Summarise the results of the screening process, including significant loads for Priority Hazardous Substances.


CTPTipText:
Information on detailed dilution and dispersion modelling will usually be submitted as a separate report. State the location of all relevant documentation here.


CTPTipText:
Decision for detailed modelling should take into consideration all three aspects listed here in combination. See Annex D for more information.


CTPTipText:
Decision for further modelling should be based on consideration of all three aspects listed here. See guidelines in Annex D.


CTPTipText:
Enter modelled PC here if you have carried out detailed dispersion modelling.


CTPTipText:
Your release entered as microgrammes per litre, limited to 4 decimal places.


CTPTipText:
Unlike substances released to air, the software does not automatically insert the EQS for substances released to water. This is because the EQS may differ depending on the type of controlled water and the hardness of the receiving water.  You will need to refer to Appendix A of Annex D to select the appropriate EQS and enter it here.


CTPTipText:
Unlike substances released to air, the software does not automatically insert the EQS for substances released to water. This is because the EQS may differ depending on the type of controlled water and the hardness of the receiving water.  You will need to refer to Appendix A of Annex D to select the appropriate EQS and enter it here.

Note that short term effects are only relevant in certain circumstances.


CTPTipText:
This value is calculated automatically by multpilying your Annual Average Concentration by your Effluent Flow and lastly by your Operating Mode for that substance. (See 'Box Help' on Operating Mode for details of how this should be calculated)


CTPTipText:
Select the method by which the substance is measured, and describe this is further detail in the comments box below. The reason for entering this information is that it indicates the level of accuracy of the data. (It is assumed that the monitoring carried out at the facility is already at an appropriate level to meet BAT requirements). 

If you monitor CONTINUOUSLY for a particular substance, you should be able to characterise the variation in emissions very accurately, and be able to derive hourly and annual mean concentrations fairly readily.

If you only undertake SPOT monitoring, you should describe the nature of this, and how you have used this data to arrive at representative concentrations to assess short term and long term effects.  For example, if you monitor monthly,  you might decide to assume the average of the 12 monthly values as an "annual mean" for the assessment of long term effects.

If you are using ESTIMATED data, you should describe how this has been done, eg whether by mass balance, scale-up from laboratory or pilot test etc.  You may only be able to present data that can be used as an annual average if no characterisation of emission patterns has been done.

Note that in all cases, if you have not entered data that relates to short term effects, the software will automatically check the concentrations entered for long term effects against short term benchmarks too.

Short term and long term concentrations are only relevant to substances causing possible toxic effects to human or ecological receptors.  If the substances released do not have toxic effects you only need to provide data on the annual rate released.


CTPTipText:
Operating mode is required in all cases and/or will automatically default to 100%. This figure represents the proportion of the year that this substance will be released into your effluent by your process(s)  e.g. if you operate your process for 16 hrs per day, 6 days per week the % would be 16/24 x 6/7 = 57.1%.


CTPTipText:
If the effluent is sent to sewer before the final discharge point, you should select the appropriate sewage treatment factor for the substance. See Appendix B of Annex D.
Enter 1 if there is no reduction of the substance through the sewage treatment works.


CTPTipText:
Please gives details of your sampling method e.g average of daily spot samples, average of 24 hour continuous means, design estimate, etc and also state the number of  samples taken to determine this Annual Average. If necessary, give further details in the comments box.


CTPTipText:
Enter the concentration of the substance representative of long term effects.  This should be provided on the basis of an annual mean, where possible, depending on the method of measurement undertaken.  This is because the benchmarks against which the impact will be assessed have been derived on the basis of an annual mean. Entries should be limited to 4 decimal places.

This value should be compared with any statutory or indicative emission limit values to ensure compliance.


CTPTipText:
Enter the release rate representative of long term effects.


CTPTipText:
Please gives details of your sampling method e.g Spot, 15 min averages, etc. And also state the number of  samples taken to determine the Max Concentration you have entered in the column to the left. Add further details in the Comments box if necessary.


CTPTipText:
Enter the concentration of the substance representative of short term effects WHERE RELEVANT.  This should be provided on the basis of a maximum concentration, where possible, depending on the method of measurement undertaken.  This is because the benchmarks against which the impact will be assessed have been derived on the basis of maximum allowable concentration. Entries should be limited to 4 decimal places.


CTPTipText:
Enter the maximum release rate representative of  Short Term effects.


CTPTipText:
Select each substance released from the pull-down list. 

The substances listed are those that are released most commonly, and for which environmental benchmark data is available. If a substance is not listed, enter the substance using the "new substance" button and follow the sub-menu.  This will ask you to input environmental impact data for the substance. See Annex D3 for substance EQS values. Remember to check the relative values of the EQS AA and EQS MAC, normally the MAC value is greater. 

See page help for what to do in the case of groups of substances not individually characterised.

Where different water hardnesses are associated with a substance you need to pick the one that is appropriate to your location.  Please note however, that this only applies to Fresh Water discharges, the EQS is independent of hardness for Marine discharges and all the options have the same EQS.


CTPTipText:
This field will automatically be populated by the tool when a Priority Hazardous Substance is selected from the drop down menu. Values are expressed in kg/year.


CTPTipText:
** LONGTERM EAL WATER **
Enter the Longterm EAL for water for substance
Enter "0" if no EAL or EQS applies
(SEE GUIDANCE SECTION 3.3.2 and APPENDIX D4)


CTPTipText:
** BACKGROUND CONCENTRATION **
If Release is Significant
Enter Longterm background concentration in microgrammes/litre for each significant substance.
If Release is not significant or background concentation is not relevant Enter "0" or leave blank


CTPTipText:
State here the basis for monitoring pH. If the pH is not monitored explain why in the Comments box.


CTPTipText:
Do artificial variations caused by effluent exceed 0.5pH units?


CTPTipText:
Give the usual range of pH of the discharge.


CTPTipText:
Give the maximum and minimum pH of the discharge across the year.


CTPTipText:
Give the annual average (or typical) ph of the receiving water.


CTPTipText:
Provide a brief description of the activities that the release point serves. The aim of this is to enable the contribution of the particular activity or activities to the total environmental impact to be identified when the results are displayed.  This can help you to target subsequent control priorities.  
Try to pick an "identifier" activity that suits the type of operations on your site, if possible linked to particular unit operations. However, this will not always be straightforward as often common treatment plants and discharge points are used for several processing streams. In these cases, indicate the main grouping, eg:
- "effluent treatment plant for all site releases"


CTPTipText:
Provide a brief description or name for the release point.  This will be used to identify the release point in subsequent steps.


CTPTipText:
Select which of the final discharge points you listed on the previous page, that the effluent is discharged to.


CTPTipText:
Enter the peak effluent flow rate in m3/s.  Note that this may vary for the same release point for different options.


CTPTipText:
The annual flow expressed as a % of the mean effluent flow rate. For example if your mean effluent flow rate is 0.5 cu metres/sec but you shut down for 3 months of the year, then the figure in this box would be 75%. This figure is used to calculate your 'Annual Rates' on the Water Inventory Form. If you have a 5% exceeded flow of for 10% of the days you are operating, then this should be included in this calculation. To work this out increase the initial Annual Proportion by:

Intial Annual Proportion x ( (5%Exceeded Flow - Mean Flow)/Mean Flow Rate) x Proportion of time at 5%Exceeded Flow

If exceeded flow is double normal flow then
 75% x (1-0.5)/0.5 x 10% = 75% x 1 x 10% = 82.5%


CTPTipText:
Enter the mean effluent flow rate in m3/s.  Note that this may vary for the same release point for different options. Units are m3/s (Cumecs). Cumec/day may be converted by diving by 24 and then by 3600.


CTPTipText:
** FINAL DISCHARGE  **
For River Enter "R"
For Freshwater Estuary Enter "UE"
For Saline Estuary Enter "ME" or "LE" (See Guidance)
For Coastal water Enter "C"
For No discharge Enter "N"


CTPTipText:
Provide brief details of the location of the release point, including grid reference where known.


CTPTipText:
If you have valid dilution modelling data available for the effluent stream, then this may be used to input a dispersion factor (effectively a dilution rate) at this point.


CTPTipText:
If the effluent discharges into a sewer, enter Yes. Otherwise enter No. In this context a "discharge to sewer" refers to a public sewer feeding a wastewater treatment plant.


CTPTipText:
** TOTAL FLOW RATE **
Enter Total Flow Rate in m3/h from release point
Enter "0" if there is no release


CTPTipText:
** SHORT TERM EAL WATER **
Enter the Short Term EAL for water for substance
Enter "0" if no EAL or EQS applies
(SEE GUIDANCE SECTION 3.3.2 and APPENDIX D4)


CTPTipText:
** BACKGROUND CONCENTRATION **
If Release is Significant
Enter Short Term background concentration in microgrammes/litre for each significant substance.
If not significant or the background concentation is not relevant Enter "0" or leave blank


CTPTipText:
Benchmark values - Maximum Temperature Difference


CTPTipText:
State here the basis for monitoring temperature. If not monitored explain why in the Comments box.


CTPTipText:
Give the annual mean temperature of the discharge.


CTPTipText:
Give the maximum temperature of the discharge across the year.


# CostInventory

INVDescription:
buildings and civil works (e.g. foundations/supports, electrical, piping, insulation etc)


INVDescription:
labour and materials (engineering construction and field expenses)


INVDescription:
end of life-clean up costs ( note: this cost would be typically discounted to a present value)


INVDescription:
additional labour for operation and maintenance


INVDescription:
costs of any additional pollution abatement equipment operation


INVDescription:
other materials and parts Specify Details


# CostTypes

CSTDescription:
buildings and civil works (e.g. foundations/supports, electrical, piping, insulation etc)


CSTDescription:
labour and materials (engineering construction and field expenses)


CSTDescription:
end of life-clean up costs ( note: this cost would be typically discounted to a present value)


CSTDescription:
additional labour for operation and maintenance


CSTDescription:
costs of any additional pollution abatement equipment operation


CSTDescription:
other materials and parts Specify Details


# Feb13ControlTips

Tip Text:
** RELEASE RATE **
Enter Maximum Release Rate of substance as a result of accident in grammes per second
If there is no release leave cell blank or enter "0"


Tip Text:
** PROBABILITY **
"H" for high (once a month)
"M" for medium (once a year)
"L" for low (once every 10 years)
"N" for negligible (once every 100 years)
(SEE GUIDANCE SECTION 3.5.1)


Tip Text:
** DETAILED MODELLING PC **
If Detailed Modelling has been carried out.
Enter PC air from detailed modelling this will be used in the assessment.
If no detailed modelling has been carried out Enter "0" or leave cell blank


Tip Text:
** SUBSTANCE  **
Enter the substance released as a result of accident


Tip Text:
** EAL/EQS SHORT TERM **
Enter Short Term EAL or EQS for substance released in mircogrammes/cubic metre
Enter "0" or leave cell blank if no EAL or EQS exists
(SEE GUIDANCE SECTION 3.1 and APPENDIX D3)


Tip Text:
List the consequences of the incident, relating these to their impact on the receiving environment. This may include reference to:
-the medium to which releases are made
- the substances and quantities released
- the time over which the release occurs
- whether permitted ELVs will be exceeded
- whether EQSs or EALs will be exceeded


Tip Text:
List the potential hazard scenarios. See page help and section 3.7 of the H1 guidance fo tips on the scope.


Tip Text:
List the incident associated with the hazard.


Tip Text:
Insert a likelihood score using the matrix presented in section 3.7.1 of H1.


Tip Text:
Insert a severity score using the matrix presented in section 3.7.2 of H1


Tip Text:
** CONCENTRATION **
Enter Highest concentration in microgrammes per litre released as a result of accident
If there is no release of substance from this Option Enter "0"


Tip Text:
** SHORT TERM EAL WATER **
Enter the short term EAL for water for substance
Enter "0" if no EAL or EQS applies
(SEE GUIDANCE SECTION 3.3 and APPENDIX D4 & D5)


Tip Text:
After considering the guidelines in Annex F, indicate here whether the emission can be considered to have an insignificant impact when deposited to land.


Tip Text:
With reference to Annex F, provide a reason for judging whether the emission has been considered insignificant, or whether further assessment is judged to be necessary.


Tip Text:
In order to determine the risk of breaching an EQS or EAL, you need to take the existing concentration of the substance into account.  Such information may be obtained from the local authority or from national databases such as the DEFRA website or the National Air Emissions Inventory.

Enter the long term background concentration of the substance into the box as indicated.


Tip Text:
Provide basic information about the source of data you have used. If you HAVE undertaken modelling, this should be described in detail in your modelling report anyway.


Tip Text:
See the guidelines in Annex F and provide a justification of the decision based on these guidelines.


Tip Text:
See guidelines in Annex F. Decision should be based on consideration of all three aspects listed here.


Tip Text:
You may add as much text here as needed to make the case for or against modelling. Alternatively, you may refer to documentation elsewhere.


Tip Text:
State the location of all relevant dispersion modelling documentation. This will usually be submitted as a separate report.  Guidelines on the key components of an air dispersion modelling exercise are provided in Appendix C of Annex F, or can be obtained from the Regulator.


Tip Text:
See guidelines in Annex F and provide justification for decision based on these guidelines.


Tip Text:
See guidelines in Annex F and provide justification for decisions based on these guidelines.


Tip Text:
If you have carried out detailed dispersion modelling of the releases under the same operating conditions as assumed for this assessment or option, you may enter the representative long term process contribution here.  This will allow you to generate a more realistic (and usually less pessimistic) assessment of environmental impact. You should provide details of the location of the modelling data in the comments box below.

In any case, there are guidelines in the next phases which will ask you to decide whether more accurate modelling is warranted.


Tip Text:
If you have carried out detailed dispersion modelling of the releases under the same operating conditions as assumed for this assessment or option, you may enter the representative short term process contribution here.  This will allow you to generate a more realistic (and usually less pessimistic) assessment of environmental impact. You should provide details of the location of the modelling data in the comments box below.

In any case, there are guidelines in the next phases which will ask you to decide whether more accurate modelling is warranted.


Tip Text:
The EALs for air are automatically selected from the database.


Tip Text:
Emissions with a Process Contribution (PC) that is less than 1% of the EAL can be considered to be insignificant, and will be screened from further assessment in this methodology. See Annex F for guidance.


Tip Text:
Enter the annual mass release rate for the substance from this release point in tonnes/year.


Tip Text:
Select the method by which the substance is measured, and describe this is further detail in the comments box below. The reason for entering this information is that it indicates the level of accuracy of the data. (It is assumed that the monitoring carried out at the facility is already at an appropriate level to meet BAT requirements). 

If you monitor CONTINUOUSLY for a particular substance, you should be able to characterise the variation in emissions very accurately, and be able to derive hourly and annual mean concentrations fairly readily.

If you only undertake PERIODIC monitoring, you should describe the nature of this, and how you have used this data to arrive at representative concentrations to assess short term and long term effects.  For example, if you monitor twice a year over an 8-hour period, you might decide to assume the average of the 2 eight hour periods as an "annual mean" for the assessment of long term effects, and the maximum of all of the hourly means within both monitoring periods for the assessment of short term effects.

If you are using ESTIMATED data, you should describe how this has been done, eg whether by mass balance, scale-up from laboratory or pilot test etc.  You may only be able to present data that can be used as an annual average if no characterisation of emission patterns has been done.

Note that in all cases, if you have not entered data that relates to short term effects, the software will automatically check the concentrations entered for long term effects against short term benchmarks too.

Short term and long term concentrations are only relevant to substances causing possible toxic effects to human or ecological receptors.  If the substances released do not have toxic effects you only need to provide data on the annual rate released.


Tip Text:
Operating mode is not relevant if you have already established this within the scope of the option or assessment.


Tip Text:
State the measurement basis or assumptions used in the determination of the long term (annual mean) release concentration. For example:
- "annual mean of continuous 24 hour means"
- "95%ile of continuous monitoring"
- "mean of 16 hourly means from periodic monitoring (as described in comments box)"
 

See Annex F for more guidance.


Tip Text:
Enter the concentration of the substance representative of long term effects.  This should be provided on the basis of an annual mean, where possible, depending on the method of measurement undertaken.  This is because the benchmarks against which the impact will be assessed have been derived on the basis of an annual mean.

This value should be compared with any statutory or indicative emission limit values to ensure compliance.


Tip Text:
Enter the release rate representative of long term effects.  This value is used in subsequent calculations.


Tip Text:
**  DETAILED DISPERSION MODELLING **
Enter the Results of Long term Detailed Dispersion modelling for each substance in microgrammes/m3
Enter "0" if the substance is not released from this Release Point
(This Data over-rides the PCs calculated)


Tip Text:
** DETAILED DISPERSION MODELLING **
Enter the Results of Short Term Detailed Dispersion modelling for each substance in microgrammes/m3
Enter "0" if the substance is not released from this Release Point
(This Data over-rides the PCs calculated)


Tip Text:
State the measurement basis used in the determination of the short term release concentration.


Tip Text:
Enter the concentration of the substance representative of short term effects.  This should be provided on the basis of an hourly mean, where possible, (except for SO2 which is a 15 minute mean) depending on the method of measurement undertaken.  This is because the benchmarks against which the impact will be assessed have been derived on the basis of an hourly mean.

If you do not have data representative of short term effects, the concentrations relating to long term effects will also be compared against short term benchmarks.


Tip Text:
Enter the release rate representative of short term effects.
If No Short Term Release rate is Entered the Long term Release Rate will be used.


Tip Text:
Select each substance released from the pull down list. Click on the list and use the first letter of the substance and scroll bar to locate the substance of interest.

A few substances are listed twice, with a "human health" or "vegetation" suffix. This refers to the receptor for which an environmental impact benchmark for that substance has been derived. You should select the one which is appropriate to your location. If you are unsure at this stage, select "human health". You can return later and change this if you subsequently decide that "vegetation" is more appropriate. 
There are some guidelines in Annex F which explain how to treat pollutants commonly measured as a group. A brief summary is provided below:
- For VOCs that have not been characterised, assume 100% benzene.
- For NOx, assume 100% NO2 for long term effects and 50% NO, 50% NO2 for short term effects at this stage of the assessment, unless you can justify reasons for an alternative approach (use the comments box).
- For heavy metals, assume 100% most toxic of the group. 

If the substance is not listed, select "new substance" and follow the sub-menu. This asks you to input relevant impact data for the substance. The methodology for doing this is described in Annex F.


Tip Text:
Enter any statutory or indicative emission limit values for the substance here, with reference to Sector Guidance Notes. 

Note that:
Options that exceed statutory levels are UNACCEPTABLE. 
Options that exceed indicative levels need JUSTIFICATION for deviating from the indicative BAT level.


Tip Text:
** BACKGROUND CONCENTRATION **
If Significant enter Longterm background concentration in microgrammes/metre cubed for each substance.
If not significant or the background concentation is not relevant Enter "0" or leave cell blank


Tip Text:
** SENSITIVE RECEPTOR **
Enter "y" If substance sensitive receptors are likely to be damaged by the release from the process


Tip Text:
** EAL/EQS **
Enter the EAL or EQS for substance in microgrammes/metre cubed
If there is No EAL or EQS leave the cell blank or enter "0"
(SEE GUIDANCE SECTION 3.1 and APPENDIX D)


Tip Text:
Provide a brief description of the activities that the release point serves. The aim of this is to enable the contribution of the particular activity or activities to the total environmental impact to be identified when the results are displayed.  This can help you to target subsequent control priorities.  
Try to pick an "identifier" activity that suits the type of operations on your site, if possible linked to particular unit operations. However, this will not always be straightforward as often common stacks are used for several processing streams. In these cases, indicate the main grouping, eg:
- flue serving boilers 1 - 4
- flare serving process units X, Y & Z


Tip Text:
Provide a short description or code.  This could follow the protocol of "A1, A2" etc.  This descriptor and the location will be used to identify the release point in the subsequent pages.

Only include release points that are relevant to the option or operating scenario being assessed.

Remember to include fugitive releases if these are relevant.


Tip Text:
Enter the effective height of the release point. Usually this is taken as the stack height, as plume and momentum effects are ignored at this stage. 

However, there are certain situations where the effective height should be estimated differently -  see Annex F for further guidance.

Fugitive releases are usually assigned a "zero" stack height.


Tip Text:
Note that efflux velocity may vary between different options.


Tip Text:
Provide a brief description that will identify the location of the release point. If known, enter the grid reference.


Tip Text:
If you have valid dispersion modelling data available for the releases, enter the long term dispersion rate here, expressed as maximum ground level concentration per unit mass emission rate.


Tip Text:
If you have valid dispersion modelling data available for the releases, enter the short term dispersion rate here, expressed as maximum ground level concentration per unit mass emission rate.


Tip Text:
Enter the Total Volume Flow of Gas exiting the Release Point in metres cubed per hour. Note that this may vary between options.


Tip Text:
** BACKGROUND CONCENTRATION **
If Release is Significant
Enter Short Term background concentration in microgrammes/metre cubed for each substance.
If the Release is not significant or the background concentation is not relevant Enter "0" or leave blank


Tip Text:
Use the guidelines provided in Annex K to assist you in making your decision.

In addition to the information presented in this software tool, you may wish to provide further analysis to suit the particular nature of your options appraisal. For example, you may wish to present the cost/benefit balance for each option in terms of "annualised costs per unit of pollution reduced" or "annualised costs per unit of environmental impact (where the impact is presented as EQ, GWP or POCP etc.)"


Tip Text:
Read module 5 of H1 before completing this section.


Tip Text:
Enter the discount rate as an integer, eg for a 6% rate, enter "6".  

The discount rate usually reflects the cost of capital and degree of risk. Internal "hurdle" rates used for internal project appraisal are not appropriate as these tend to over-estimate the required return on investment.  "Real" rates are typically between 6 and 12%.


Tip Text:
Enter the assumed life of the option in whole years.  This should be based on the actual life of the asset, to reflect a realistic replacement timescale.


Tip Text:
** ENERGY CONSUMPTION **
Enter the MWh of energy consumed from each fuel type 
Enter "0" if the fuel type is not used
See Annex H for guidance.


Tip Text:
Conversion Factor from delivered to primary energy, to take efficiency into account: only relevant for indirect releases.


Tip Text:
Enter the amount of energy in MWh, as delivered, used in the option. 
See Annex H for guidance.


Tip Text:
Select an energy source from the list.
For indirect sources (except public supply) also enter conversion factor and CO2 factor on sub-menu, obtained by double clicking. See Annex H for guidance.

To add another energy source besides those listed:
 - click ADD 
 - type a title for the Energy Source
 - Double click on the name

Note that you will need to enter site-specific conversion and CO2 factors for imported heat or power that has not come from the public supply, or for other fuels not on the pull down list.


Tip Text:
Primary energy is calculated from delivered energy using the efficiency conversion factor. For indirect emissions only.


Tip Text:
For electricity from sources other than the public supply, and for other imported energy, you should add the appropriate conversion factor. See Annex H for guidance.  For electricity from public supply use the default factor.  All other listed sources have a default conversion factor that is the same as those used in the CCA and ETS. If you have added a new energy source to the list, you will need to add the appropriate conversion factor.


Tip Text:
For electricity from sources other than the public supply, and for other imported energy, you should add the appropriate conversion factor. See Annex H for guidance.  For electricity from public supply use the default factor. All other sources do not require a conversion factor.


Tip Text:
There are a number of statutory Environmental Quality Standards in existence for emissions to air. These are listed in Appendix B of Annex F.  Existing background levels of these substances can be obtained from your local authority or national monitoring databases such as the DEFRA website or the National Air Emissions Inventory.


Tip Text:
Some local authorities have declared air quality management plans for certain pollutants. You should take note of any that are relevant to emissions from your process.


Tip Text:
Plume obscuration is a subjective issue, having mostly "annoyance" value than direct harm.  Consideration of the proximity of the facility and its emissions to local centres of population should be made when assessing the likely degree of importance of these issues.


Tip Text:
The presence of particularly sensitive habitats or ecological receptors can be a critical issue for certain emissions. This may warrant more detailed assessment of the fate and effects of emissions in some cases.


Tip Text:
For new facilities, or changes to existing facilities, you should also check that any proposals for water abstraction are acceptable, by consulting with the local Regulator. This helps to avoid unwelcome surprises for the operator should an abstraction licence be turned down after an operator has put considerable effort into making detailed proposals.


Tip Text:
A number of statutory Environmental Quality Standards are in existence for substances in controlled waters.  These are listed in Appendix A of Annex D.

Information on the existing background level of these substances can be obtained from your local Environmental Regulator.


Tip Text:
Direct releases to land should normally be avoided. In the rare cases where they exist, you should confirm that the risk to groundwater has taken into account local conditions.


Tip Text:
carbon dioxide emissions from the energy consumption inventory will automatically be displayed here, according to indirect and direct releases. In addition, any non-energy greenhouse gases released directly from the process.


Tip Text:
See the guidelines in section 3.6.2 of H1 to make this estimation.


Tip Text:
See guidelinesin section 3.6.2 of H1 onhow to make this estimation.


Tip Text:
Refer to the guidelines in section 3.6.2 of H1 and describe the approach to calculating predicted noise levels.


Tip Text:
** BACKGROUND DAY **
Enter Background noise dB


Tip Text:
** BACKGROUND NIGHT **
Enter Background noise dB


Tip Text:
** MODELLING REQUIRED **
Is detailed modelling of noise required for the noise sensitive location
Modelling required enter "Y"
Modelling not required enter "N"


Tip Text:
** PLANNING NOISE LEVELS **
Enter planning or other noise level limits on site in dB


Tip Text:
Enter a description of the nearest sensitive receptor to the noise source (outside the boundary of the site).


Tip Text:
** QUALITATIVE SCREENING **
If the qualitative screen has indicated that the noise is significant 
Enter "S" 
In insignificant 
Enter "I" or leave cell blank


Tip Text:
** SOURCE OF NOISE **
Enter brief detials of the Source of Noise (30 Characters)


Tip Text:
** NOISE TYPE **
Enter 
"C" for continuous noise
"N" for non continuous noise
"I" Impluse noise


Tip Text:
** NOISE SENSITIVE LOCATION **
Enter brief detials of Sensitive Location (100 Characters)


Tip Text:
With reference to section 3.6.1 of H1, indicate here whether it is possible to screen the noise source as insignificant.


Tip Text:
Refer to the guidelines in section 3.6.1 of H1 to provide a justification for screening any sources as insignificant.


Tip Text:
The sources listed in the inventory will appear in this column.


Tip Text:
Select whether the noise source is stationary or moblie. This is needed when calculating the noise levels at a later stage.


Tip Text:
If known, enter any other noise level data and provide details in the basis.


Tip Text:
If known, enter the daytime noise rating. If not known, leave blank


Tip Text:
If known, enter the night time noise rating. If not known, leave blank.


Tip Text:
Enter a short description of  potential noise sources here.


Tip Text:
select whether the noise is continuous or intermittent


Tip Text:
Provide a brief description here of the objectives. See the examples below for level of detail required.

If you are submitting more than one ENVIRONMENTAL ASSESSMENT (eg in cases where emissions are dependent on operating scenario), also describe here the scenario on which the assessment is based. For example:
"Assessment 1: To assess maximum impact of emissions at 100% load (worst case)" or "Assessment 2: To assess impact of emissions at 75% load (normal operation)"

If you are doing OPTIONS APPRAISAL and wish to incorporate different operating scenarios, these can be included as separate options as set out in the following steps of H1.


Tip Text:
See h1 section 3.9.3 for guidance. Description may be provided here or in separate documentation.


Tip Text:
The assessment of odour is dependant on the nature of sources and emissions. See H1 section 3.9.4 for guidance.


Tip Text:
Compounds will be copied over from the inventory


Tip Text:
Indicate here whether the emission can be screened as inisgnifcant using section 3.9.1 of H1 for guidance


Tip Text:
Provide a justification for screening out insignificant releases, with reference to the guidelines in section 3.9.1 of H1.


Tip Text:
Sources will be copied over from the inventory


Tip Text:
** CATEGORY **
Categorise the odorous emission (See Section 3.7.1)
Enter "NC" for normally contained substances
Enter "M" for control by management practices
Enter "D" for control by dispersion


Tip Text:
Identify odorous substances associated with the release point. These may be specific chemicals or generic odour types.


Tip Text:
** DATE **
Provide date by which time containment of all odorous releases will be complete.


Tip Text:
** SCREENING **
If odour is not an issue Enter "NAI"
If odour is contained(or will be contained) Enter "OC"
If there are no odour problems Enter "NOP"
If there is an odour problem and if cannot be screened out at this stage Enter "POP"


Tip Text:
List all sources of potentially odourous substances, including point source and fugitive sources.


Tip Text:
** ODOROUS SUBSTANCE  **
Enter details of Odorous substance (100 Characters)
(See Section 3.7.1 of Guidance)


Tip Text:
See section 3.9.2 for guidelines. Sources that have been assigned 1, low or 2, low  can be screened. Others should be taken further into the assessment.


Tip Text:
Refer to the table in section 3.9.2 of H1 to determine the odour risk.


Tip Text:
Provide justification for screening out or reference to any relevant documentation.


Tip Text:
Sources that are not screened as insignificant will be copied from previous step.


Tip Text:
In many cases there can be a cross-media conflict, ie where the best option overall is not immediately obvious because no option scores the lowest in each environmental category.


Tip Text:
If you can identify one option that results in the lowest, or equal lowest impact, for all of the considerations assessed, answer "Yes" here.


Tip Text:
If you answered "yes" to the above question, ie you can clearly identify a lowest option all-round, indicate here whether you are going to select and implement that option as BAT.

Usually, to determine BAT you would also take the costs of implementing a particular option in mind, but if you are satisfied that the costs are not an issue, then you may wish to implement the best option without further assessment of costs.


Tip Text:
You may need to take the following into account when judging the importance of this consideration:
- the general level of risk score of the options as a whole


Tip Text:
Select the relative importance that you have placed on this environmental consideration. See guidelines in Annex K.


Tip Text:
You may need to take the following into account when judging the importance of this consideration:
- the risk of breaching any EQSs or EALs
- the magnitude of contributions to EQSs or EALs
- whether any air quality management areas exist that include substances relevant to the appraisal
- the potential impact to sensitive local receptors
- the contribution of the facility to any sector plans or national targets for certain substances


Tip Text:
Select the relative importance that you have placed on this environmental consideration.


Tip Text:
You may need to take the following into account when judging the importance of this consideration:
- the risk of breaching any EQSs or EALs
- the magnitude of contributions to EQSs or EALs
- whether any air quality management areas exist that include substances relevant to the appraisal
- the potential impact to sensitive local receptors


Tip Text:
You may need to take the following into account when judging the importance of this consideration:
- the contribution to critical loads for acidification and eutrophication (where relevant)
- the potential impact to sensitive local receptors
- the nature of the effects: long term irreversible effects may be considered to be worse than short term reversible ones.
- the nature of the substances deposited: deposition of highly persistent, bioaccumulative, toxic or carcinogenic substances may be considered of greater importance
- the contribution of the facility to any sector plans or national targets for reduction of certain substances


Tip Text:
Read guidelines in Annex K. You may need to provide this information as a separate report.


Tip Text:
You may need to take the following into account when judging the importance of this consideration:
- the magnitude of contributions of the options as a whole
- the contribution of the facility to any sector plans or national targets for certain substances


Tip Text:
You may need to take the following into account when judging the importance of this consideration:
- the risk of breaching any noise thresholds 
- the potential impact to sensitive local receptors


Tip Text:
You may need to take the following into account when judging the importance of this consideration:
- the magnitude of contributions from the options as a whole 
- the contribution of the facility to any sector plans or national targets for certain substances


Tip Text:
You may need to take the following into account when judging the importance of this consideration:
- the potential impact to sensitive local receptors


Tip Text:
You may need to take the following into account when judging the importance of this consideration:
- the magnitude of the waste scores for the options as a whole
- the contribution of the facility to any sector plans or national targets for reduction of wastes


Tip Text:
You may need to take the following into account when judging the importance of this consideration:
- the risk of breaching any EQSs or EALs
- the magnitude of contributions to EQSs or EALs
- the nature of the substances released: highly persistent, bioaccumulative, toxic and carcinogenic substances should be priority considerations for control
- the potential impact to sensitive local receptors
- the contribution of the facility to any sector plans, local catchment targets or national targets for certain substances


Tip Text:
You may need to take the following into account when judging the importance of this consideration:
- the risk of breaching any EQSs or EALs
- the magnitude of contributions to EQSs or EALs
- the nature of the substances released: highly persistent, bioaccumulative, toxic and carcinogenic substances should be priority considerations for control
- the potential impact to sensitive local receptors

(Note that the assessment of short term releases to water is not always relevant)


Tip Text:
Enter a description of each Option here. This should focus on the main features of the technique, which may include the following where relevant:
- specification of material quality
- efficiency of pollution control
- nature of any reagents
- nature of any residues or emissions

For example:
"Limestone-gypsum scrubber: limestone grade 98% CaCO3; 90% acid gas removal; liquid effluent treated in effluent treatment plant; solid residue recovered as by-product"


Tip Text:
Type in each activity associated with the option in the box next to the arrow, with any relevant details. See Overview document for further guidance.


Tip Text:
Enter a brief title here to distinguish the option from any of the others. This will be used to identify the option in the subsequent stages.  

Further description of the option can be done in the adjacent input box.


Tip Text:
** GWP **
Enter Global Warming Potential Value
(SEE GUIDANCE SECTION 3.9.1 and APPENDIX F) 
If the substance has no global warming potential. Enter "0" or leave cell blank.


Tip Text:
** POCP VALUE **
Enter the Photochemical ozone creation potential value for each substance (SEE GUIDANCE SECTION 3.8.1 and APPENDIX E)
Enter "0" or leave cell blank if the substance does not have a POCP value


Tip Text:
Select one material of the list that is the key production indicator, eg. For a coal power station "coal", for a cement kiln "limestone". Sector Guidance may provide indicative materials.
This will be used to determine performance indicators.


Tip Text:
Provide a short description of the material.


Tip Text:
Select units from the pull down list. If "other" describe in the comments box.


Tip Text:
Enter the company name, or the name by which the facility is known.


Tip Text:
Enter a Description of the location, eg short address, here.


Tip Text:
See Overview document Table 1 for further information.


Tip Text:
** Beyond Boundary **
see guidelines in Annex A.


Tip Text:
** Visible Plume **
see guidelines in Annex A.


Tip Text:
** MASS OF WASTE ARISINGS **
Enter the mass of waste stream produced in kg/year


Tip Text:
** WASTE STREAM **
Enter details of the waste stream (100 Characters)


Tip Text:
** TYPE OF WASTE **
For Inert Waste: Enter "I"
For Non Hazardous Waste: Enter "NH"
For Hazardous Waste: Enter "H" 
(SEE GUIDANCE SECTION 2.1)


Tip Text:
Select the waste category of waste after any treatment undergone off-site. See H1 guidance section 3.12.1


Tip Text:
Select the waste category of the waste stream as it leaves the facility, prior to any treatment, from the list. See H1 section 3.12.1 for guidance.


Tip Text:
enter mass in tonnes per annum remaining after treatment. In some cases the mass will be reduced.


Tip Text:
See section 3.12.2 of h1 for guidelines on screening any insignificant waste streams.


Tip Text:
Select the relevant distance to the disposal/treatment facility from the list provided.  A relative score is allocated to the distance selected.


Tip Text:
Select the treatment or disposal option that the waste stream undergoes after leaving the facility (or at the facility if the disposal option is part of the facility). See section 3.12.1 of H1 for guidance.


Tip Text:
Select the final treatment or disposal method from the list given. A relative score has been allocated to each method, related to the position of the method on the waste hierarchy.


Tip Text:
Waste Stream will copy from waste inventory


Tip Text:
Select the nature of the waste from the pick list according to the nature of the waste as it leaves the facility for disposal or treatment elsewhere (unless disposed of within the facility).


Tip Text:
Enter mass of each waste stream produced each year.


Tip Text:
List each of the waste streams that result from the activities or options.  See page help for degree of detail.


Tip Text:
Provide a short description, eg name of the river, estuary or coastal region.  This will be used to identify the release point in subsequent steps. For discharges to Freshwaters, you need only enter the river description and flow once. For discharges to TraC waters, separate discharge locations must be added for each individual discharge.


Tip Text:
For each discharge select the final discharge point from the list.  This is used to trigger the relevant assessment calculation in subsequent steps. Discharges to Rivers and Upper Estuaries (salinity < 0.5ppt) are called 'Freshwaters' and assessments are based on Freshwater EQS's and River Flows. Impacts of discharges into Lower Estuaries and Coastal environmenmts are called 'TraC'waters where assessment of discharges is based on Initial Dilution and Saline EQS's. For discharges to sewer, this is the point where the sewage works discharges to a surface water. Where an activity results in more than one discharge to TraC waters, eg. coast off Sidmouth, then the initial dilution can be different in the two locations.


Tip Text:
Input the Q95 river flow rate for discharges to Freshwaters. This information may be obtained from the local Regulator or from the EA website. No entries on flow data are required here for TraC discharges.


Tip Text:
Enter long term water background concentration here. See Annex D for further information and data sources.  You should describe the source of the data in the comments box below.


Tip Text:
Decision for further modelling should be based on consideration of all three aspects listed here in combination. See Annex D for more information.


Tip Text:
Information on detailed dilution and dispersion modelling will usually be submitted as a separate report. State the location of all relevant documentation here.


Tip Text:
Decision for detailed modelling should take into consideration all three aspects listed here in combination. See Annex D for more information.


Tip Text:
Decision for further modelling should be based on consideration of all three aspects listed here. See guidelines in Annex D.


Tip Text:
Enter modelled PC here if you have carried out detailed dispersion modelling.


Tip Text:
Your release converted into microgrammes per litre


Tip Text:
Unlike substances released to air, the software does not automatically insert the EQS for substances released to water. This is because the EQS may differ depending on the type of controlled water and the hardness of the receiving water.  You will need to refer to Appendix A of Annex D to select the appropriate EQS and enter it here.


Tip Text:
Unlike substances released to air, the software does not automatically insert the EQS for substances released to water. This is because the EQS may differ depending on the type of controlled water and the hardness of the receiving water.  You will need to refer to Appendix A of Annex D to select the appropriate EQS and enter it here.

Note that short term effects are only relevant in certain circumstances.


Tip Text:
Insert the annual release rate here, in kg/yr.


Tip Text:
Select the method by which the substance is measured, and describe this is further detail in the comments box below. The reason for entering this information is that it indicates the level of accuracy of the data. (It is assumed that the monitoring carried out at the facility is already at an appropriate level to meet BAT requirements). 

If you monitor CONTINUOUSLY for a particular substance, you should be able to characterise the variation in discharges very accurately, and be able to derive hourly and annual mean concentrations fairly readily.

If you only undertake PERIODIC monitoring, you should describe the nature of this, and how you have used this data to arrive at representative concentrations to assess discharges against MAC EQS and AA EQS. For example, if you monitor monthly,  you might decide to assume the average of the 12 monthly values as an "annual mean" for the assessment of discharges against AA EQS.

If you are using ESTIMATED data, you should describe how this has been done, eg whether by mass balance, scale-up from laboratory or pilot test etc.  You may only be able to present data that can be used as an annual average if no characterisation of discharge patterns has been done.

Note that in all cases, if you have not entered data that relates to assessment of discharges against MAC EQS, the software will automatically check the concentrations entered for assessment of discharges against AA EQS for assessments against MAC EQS too.

Maximum and mean concentrations are only relevant to substances causing possible toxic effects to human or ecological receptors.  If the substances released do not have toxic effects you only need to provide data on the annual rate released.


Tip Text:
Enter the operating scenario (not relevant if you have already done so at the start). If not continuous you can express here the percentage of annual hours the operation runs for.


Tip Text:
If the effluent is sent to sewer before the final discharge point, you should select the appropriate sewage treatment factor for the substance. See Appendix B of Annex D.
Enter 1 if there is no reduction of the substance through the sewage treatment works.


Tip Text:
Please gives details of your sampling method e.g average of daily spot samples, average of 24 hour continuous means, design estimate, etc and also state the number of  samples taken to determine this Annual Average


Tip Text:
Enter the mean concentration of the substance to enable assessments against AA EQS.  This should be provided on the basis of an annual mean, where possible, depending on the method of measurement undertaken.  This is because the benchmarks against which the impact will be assessed have been derived on the basis of an annual mean.

This value should be compared with any statutory or indicative emission limit values to ensure compliance.


Tip Text:
Enter the release rate representative of long term effects.


Tip Text:
Please gives details of your sampling method e.g Instantaneous, 15 min averages, etc. and also state the number of  samples taken to determine the Max Concentration you have entered in the column to the left


Tip Text:
Enter the maximum concentration of the substance for assessment of discharges against the MAC EQS (where relevant). This is because the benchmarks against which the impact will be assessed have been derived on the basis of maximum allowable concentration.


Tip Text:
Enter the maximum release rate to enable assessment of discharges against the MAC EQS.


Tip Text:
Select each substance released from the pull-down list. 

The substances listed are those that are released most commonly, and for which environmental benchmark data is available. If a substance is not listed, enter the substance using the "new substance" button and follow the sub-menu.  This will ask you to input environmental impact data for the substance. See Annex D for guidance on how to do this.

See page help for what to do in the case of groups of substances not individually characterised.

Where different water hardnesses are associated with a substance you need to pick the one that is appropriate to your location.  Please note however, that this only applies to Fresh Water discharges, the EQS is independent of hardness for Marine discharges and all the options have the same EQS.


Tip Text:
Enter any statutory or indicative emissions concentration benchmarks; refer to Sector Guidance Note and note reference conditions.

Note that benchmark concentrations are shown as milligrammes per litre; to compare with the long and short term concentrations expressed as microgrammes per litre, you need to multiply by 1,000.

If statutory values exceeded, the option is UNACCEPTABLE
If indicative values are exceeded, you need to JUSTIFY why this represents BAT.


Tip Text:
** LONGTERM EAL WATER **
Enter the Longterm EAL for water for substance
Enter "0" if no EAL or EQS applies
(SEE GUIDANCE SECTION 3.3.2 and APPENDIX D4)


Tip Text:
** BACKGROUND CONCENTRATION **
If Release is Significant
Enter Annual Mean background concentration in microgrammes/litre for each significant substance.
If Release is not significant or background concentation is not relevant Enter "0" or leave blank


Tip Text:
State here the basis for monitoring pH. State "Not monitored" if that is the case, and describe in the comments box the reason why it is not monitored.


Tip Text:
Do artificial variations caused by effluent exceed 0.5pH units?


Tip Text:
Provide a brief description of the activities that the release point serves. The aim of this is to enable the contribution of the particular activity or activities to the total environmental impact to be identified when the results are displayed.  This can help you to target subsequent control priorities.  
Try to pick an "identifier" activity that suits the type of operations on your site, if possible linked to particular unit operations, for example: 'effluent treatment plant', 'settling tank or lagoon', 'chemical dosing', 'filtration system' or 'Other'. However, this may not be straightforward as often common treatment plants and discharge points are used for several processing streams. In these cases, indicate the main grouping, eg:
- "effluent treatment plant for all site releases"


Tip Text:
Provide a brief description or name for the release point.  This will be used to identify the release point in subsequent steps.


Tip Text:
Select which of the final discharge points you listed on the previous page, that the effluent is discharged to.


Tip Text:
Enter the peak effluent flow rate in m3/s.  Note that this may vary for the same release point for different options.


Tip Text:
The annual flow expressed as a % of the mean effluent flow rate. For example if your mean effluent flow rate is 0.5 cu metres/sec but you shut down for 3 months of the year, then the figure in this box would be 75%. This figure is used to calculate your 'Annual Rates' on the Water Inventory Form. If you have a 5% exceeded flow of for 10% of the days you are operating, then this should be included in this calculation. To work this out increase the initial Annual Proportion by:

Intial Annual Proportion x ( (5%Exceeded Flow - Mean Flow)/Mean Flow Rate) x Proportion of time at 5%Exceeded Flow

If exceeded flow is double normal flow then
 75% x (1-0.5)/0.5 x 10% = 75% x 1 x 10% = 82.5%


Tip Text:
Enter the mean effluent flow rate in m3/s.  This applies only to the time your discharge is being made. Periods when there is no discharge are excluded. Note that this may vary for the same release point for different options.


Tip Text:
** FINAL DISCHARGE  **
For River Enter "R"
For Freshwater Estuary Enter "UE"
For Saline Estuary Enter "ME" or "LE" (See Guidance)
For Coastal water Enter "C"
For No discharge Enter "N"


Tip Text:
Provide brief details of the location of the release point, including grid reference where known.


Tip Text:
If you have valid dilution modelling data available for the effluent stream, then this may be used to input a dispersion factor (effectively a dilution rate) at this point.


Tip Text:
If the effluent discharges into a sewer, enter Yes. Otherwise enter No.


Tip Text:
** TOTAL FLOW RATE **
Enter Total Flow Rate in m3/h from release point
Enter "0" if there is no release


Tip Text:
** SHORT TERM EAL WATER **
Enter the Short Term EAL for water for substance
Enter "0" if no EAL or EQS applies
(SEE GUIDANCE SECTION 3.3.2 and APPENDIX D4)


Tip Text:
** BACKGROUND CONCENTRATION **
If Release is Significant
Enter Short Term background concentration in microgrammes/litre for each significant substance.
If not significant or the background concentation is not relevant Enter "0" or leave blank


Tip Text:
Benchmark values - Maximum Temperature Difference


Tip Text:
State here the basis for monitoring temperature. State "Not monitored" if that is the case, and describe in the comments box the reason why it is not monitored.


# Fuels

FUEFuel:
Electricity from other source (specify in comments below)


FUEFuel:
Other imported energy (steam, hot water, etc)


# lkupWasteDRCodes

Description:
Release into a water body except seas/oceans


Description:
Release into seas/oceans including sea bed insertion


Description:
Recycling/reclamation of metals and metal compounds.


Description:
Recycling/reclamation of other inorganic materials.


Description:
Recovery of components used for pollution abatement.


# Pages

PGEHelpComments:
On this page you should enter data on all substances released to air from each of the release points you identified in the last step.

PGEGuidanceDocument:
Click Here For Annex F#https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/298239/geho0410bsil-e-e.pdf#


PGEHelpComments:
This page provides you with some of the information you will need to decide whether detailed modelling of the emissions is warranted. Any substance where the cell appears red has failed the Air Quality screening tests and needs to be passed to detailed assessment (computer modelling).


PGEHelpComments:
Refer to Annex F for guidance.  You will need to consider all three of the guidelines listed there to make the decision.


PGEHelpComments:
This page displays the comparison of the Process Contributions (PC) of each substance against the relevant short term or long term benchmark (EAL or EQS). An emission can be considered to have an insignificant impact if the PC is less than 1% of the relevant long term EAL or EQS or less than 10% of the short term EAL or EQS. Substances while fail the screening crietia are highlighted in red.


PGEHelpComments:
This page calculates the process contributions (PC) of each of the substances released, as dispersed into air. Short term values are expressed as hourly averages and long term as either monthly or annual averages depending on the substance specific basis for the respective EAL. The same averaging period should be used for comparison against the relevant standard. See Annex F, Table 2.1 for conversion factors from 1 hour to other timescales.


PGEHelpComments:
This graph displays the total impact of emissions to air for each option assessed. (For an environmental assessment only one bar will be shown, as "Option 1").


PGEHelpComments:
This graph presents the results of the assessment of long term effects of releases to air.  It presents the releases by substance for each option considered in the assessment.  (Click on the option on the top bar to display other options).


PGEHelpComments:
The first step of the inventory is to identify the release points that are relevant to your site assessment or options appraisal.  If there are no emissions to air, select "No" and the subsequent air impact steps will automatically be removed. New release points are added using the ‘Add’ button at the bottom of the screen and the ‘Delete’ button to delete any incorrect entries. The ‘Copy’ button enables pollutants to be copied from one discharge to another, however the pollutant release concentrations must be added separately.

PGEGuidanceDocument:
Click Here For H1 Overview document#https://www.gov.uk/government/publications/h1-environmental-risk-assessment-for-permits-overview#


PGEHelpComments:
This graph presents the results of the assessment of short term effects of releases to air.  It presents the releases by substance for each option considered in the assessment.  (Click on the option on the top bar to display other options).


PGEHelpComments:
This page will only be displayed if  you are doing an options appraisal.


PGEHelpComments:
On this page you should identify the capital costs of implementing each option.


PGEHelpComments:
This page calculates the Equivalent Annual Costs of each option.  This is a standard method for the presentation of costs of environmental protection measures, based on discounted cash flow techniques.


PGEHelpComments:
This graph displays the annual operating costs and annualised capital cost of each option. This enables the relative proportion of capital to operating costs to be clearly seen.


PGEHelpComments:
This graph displays the equivalent annual costs of each option.


PGEHelpComments:
On this page you should describe how the deposition of emissions from air to land has been assessed. Deposition is a long term effect and so relevant to substances with long term assessment criteria.


PGEHelpComments:
By selecting the type of assessment, the software will automatically remove any of the steps that are not required for that type of assessment. For stand-alone water discharges select Environmental Assessment.


PGEHelpComments:
On this page you should provide information about energy used in the activities included in your assessment or options. Figures should be expressed as gross calorific values.


PGEHelpComments:
This page displays the global warming potential  impact of substances released from your activities or options.  These are listed separately as direct non-energy substances, carbon dioxide from direct conversion of energy at the facility, and carbon dioxide from indirect energy use (ie imported heat and power).

PGEGuidanceDocument:
Click here for Annex H#https://www.gov.uk/government/publications/h1-environmental-risk-assessment-for-permits-overview#


PGEHelpComments:
This graph displays the total global warming potential for each of the options considered (If you have carried out an environmental assessment this is displayed as a single bar as "Option 1".)


PGEHelpComments:
This page allows you to screen out any considerations that are not relevant to the activities. The remaining assessment steps for any considerations screened out here will be hidden.


PGEHelpComments:
This page provides an introduction to the general aims of step 1.

PGEGuidanceDocument:
Click Here For H1 Review Consultation Documents#https://www.gov.uk/government/publications/h1-environmental-risk-assessment-for-permits-overview#


PGEHelpComments:
On this page you should provide information about the quality of the local environment.  This is so that you can identify any critical issues that are likely to influence either acceptability of your releases to the local environment, or a decision as to what constitutes BAT in the local context.  It is useful to identify any critical issues at an early stage rather than proceed to put in further effort of an assessment of options or emissions that are likely to be unacceptable because of local constraints.


PGEHelpComments:
Refer to Annex F for guidance, see section entitled "Odour Screening Tool".


PGEHelpComments:
Use this page to enter details about your Odour Emissions


PGEHelpComments:
This graph displays the long term odour impacts against accepted release levelse levels for each release point.


PGEHelpComments:
This graph displays the short term odour impacts against accepted release levelse levels for each release point.


PGEHelpComments:
This graph displays the total dispersal concentration by odour type and compares it to the odour type threshold.


PGEHelpComments:
On this page you should provide information on the annual operating costs of each option. If this varies over the life of the project, you should present the average cost.


PGEHelpComments:
On this page you should present your decision of which option represents the lowest overall environmental impact, and summarise how you have resolved any cross-media conflicts.


PGEHelpComments:
This page is provided to identify what further assessment may be necessary in order for you to select BAT from the options.  By answering the questions listed here, you will be automatically prompted to complete further sections of the methodology as relevant.


PGEHelpComments:
This page summarises the photochemical ozone creation potential (POCP) of the substances released from your activities or options.  The software automatically identifies those substances from the air emissions inventory that have a  POCP factor, and lists them here.


PGEHelpComments:
This graph presents the total Photochemical Ozone Creation Score for each option, built up from the individual contributing substances.


PGEHelpComments:
This page calculates specific consumption data for your activities and is only applicable to an assessment of the emissions from your activity, it is not relevant to an options appraisal. Hence you must select the button for steps 1,2,3 only when describing your objectives at the front of the tool.


PGEHelpComments:
List all of the raw materials used in the activities within the assessment or options.  This should include water (where relevant) shown as the first two entries by default.  If water is not relevant, use the button to delete the entries.


PGEHelpComments:
On this page you should provide a list of the main activities or unit operations involved in the scope of the assessment, eg:


PGEHelpComments:
You should read the relevant part of Annex K  before completing this section.


PGEHelpComments:
On this page you should provide confirmation that the emissions from your site are acceptable in that they demonstrate a high level of protection of the environmental as a whole and that any residual risk is not significant.


PGEHelpComments:
On this page, you can select a table summarising the key data for each of the environmental considerations. These tables may be individually printed.


PGEHelpComments:
For a substance within a discharge to TraC waters to be screened out the available Effective Volume Flux (AEVF) must be greater than the calculated EVF for the discharge. The EVF is dependent upon a number of variables and their interaction. The EVF is expressed as = (Effluent concentration x effluent flow)/(EQS – background concentration). Where the effluent is passed through an effluent treatment plant before being discharged then the amended effluent concentration is used in the EVF calculation. It should be noted that Naphthalene has a 100% removal rate and so for Naphthalene the numerator in the EVF expression is zero. Similarly if the background concentration exceeds the EQS the denominator is less than zero. In both cases the tool will not calculate the EVF. And finally to enable the EVF to be calculated requires the substance to be assigned an EQS for both the annual average and MAC calculations. Where both EQS values are available the calculated EVF must be less than the available EVF for the substance to be screened out.


PGEHelpComments:
On this page you should make an assessment of the visual impact of any plumes resulting from the emissions from your activities.  Note that the only visible substance permitted should be condensed water vapour.

PGEGuidanceDocument:
Click Here For Annex A#https://www.gov.uk/government/publications/h1-environmental-risk-assessment-for-permits-overview#


PGEHelpComments:
This graph displays the relative waste hazard and disposal scores for each of the options assessed, shown as pairs of columns. (Where an environmental assessment has been carried out only one set of columns are displayed as "Option 1").


PGEHelpComments:
On this page the tool calculates the impact score for each of your waste streams based upon the information you provided on the waste inventory page.

PGEGuidanceDocument:
Click here for Annex G#https://www.gov.uk/government/publications/h1-environmental-risk-assessment-for-permits-overview#


PGEHelpComments:
On this page you should provide information about the waste streams arising from your activities or options.


PGEHelpComments:
This page calculates whether any of the substances you release constitute a 'Significant Load'. This is only releavnt for Priority Substances.


PGEHelpComments:
On this page you should identify the FINAL points of discharge for any liquid effluent releases relevant to your assessment or options appraisal. If there are no releases to water, select "No" and this will automatically hide the subsequent water releases assessment steps. There are three options: R = Riverine, Tr = TraC Riverine (Upper Estuary), T = TraC (Estuary & Coastal). For Lower Estuary or Coastal discharges, seperate Discharge Locations must be added for each release. To delete a discharge location with associated release points on the following page you must first delete the release points and then return to the Water Discharge Locations page.

PGEGuidanceDocument:
Click Here For Annex D#https://www.gov.uk/government/publications/h1-environmental-risk-assessment-for-permits-overview#


PGEHelpComments:
The first step of the inventory is to identify the release points that are relevant to your site assessment or options appraisal.  If there are no emissions to water, select "No" and the subsequent water impact steps will automatically be removed. New release points are added using the ‘Add’ button at the bottom of the screen and the ‘Delete’ button to delete any incorrect entries. The ‘Copy’ button enables pollutants to be copied from one discharge to another, however the pollutant release concentrations must be added separately.


PGEHelpComments:
On this page you should describe whether or not detailed modelling of the effluent is warranted.  This will be based on consideration of a number of factors, which are described in Annex D.


PGEHelpComments:
This page is used to calculate the process contributions (PC) of substances as dispersed into the receiving water course.


PGEHelpComments:
This page asseses whether the concentration of any substance released to a TRaC Water is above the Salt Water EQS for that substance


PGEHelpComments:
This page displays the comparison of the Process Contributions (PC) of each substance against the relevant short term or long term benchmark (EAL or EQS). An emission can be considered to have an insignificant impact if the PC is less than 4% of the relevant EAL or EQS and these emissions will be screened from further assessment in this methodology. See Annex D for further information.


PGEHelpComments:
This page provides you with some of the information you will need to decide whether detailed modelling of the emissions is warranted.


PGEHelpComments:
This graph displays the total impact of emissions to water for each option assessed. (For an environmental assessment only one bar will be shown, as "Option 1").


PGEHelpComments:
This graph presents the long term impacts of releases to water. It presents the releases by substance for each option considered in the assessment.  (Click on the option on the top bar to display other options).


PGEHelpComments:
This page is to enable you to demonstrate that the effluent discharged is in an acceptable range for pH conditions.


PGEHelpComments:
On this page you should list all of the relevant release points for the assessment or option you are conducting.


PGEHelpComments:
This graph displays the short term impacts of releases to water. It presents the releases by substance for each option considered in the assessment.  (Click on the option on the top bar to display other options).


PGEHelpComments:
This page is to enable you to demonstrate that the effluent discharged is in an acceptable range for temperature.


PGEHelpComments:
Please fill in sufficient information to enable the facility to be readily identified.  Detailed information is not required.  Enter permit number only if known.


PGEHelpComments:
This page provides a general introduction to the aims of Step 2, the Emissions Inventory.


PGEHelpComments:
This page gives you an introduction to the steps to be carried out in step 3.


PGEHelpComments:
This page provides a general introduction to step 4 of the methodology. Guidance is provided in Annex K.

PGEGuidanceDocument:
Click here for Annex K#https://www.gov.uk/government/publications/h1-environmental-risk-assessment-for-permits-overview#


PGEHelpComments:
This page provides a general introduction to step 5, for which you estimate the costs to implement the options you have assessed.


PGEHelpComments:
This page provides a brief introduction to step 6 of H1, where the final decision of costs and benefits is made to select the option that is considered to be BAT.


PGEHelpComments:
The basic information you will need to complete this software is provided on the screens or in the help boxes.  For further detail on the principles, methodology, calculation steps and background information, refer to the H1 Overview document. It is recommended that you keep this document available to refer to as you go through this software.


# PagesOld

PGEHelpComments:
On this page you should enter data on all substances released to air from each of the release points you identified in the last step.


PGEHelpComments:
This page provides you with some of the information you will need to decide whether detailed modelling of the emissions is warranted.


PGEHelpComments:
Refer to Annex F for guidance.  You will need to consider all three of the guidelines listed there to make the decision.


PGEHelpComments:
This page displays the comparison of the Process Contributions (PC) of each substance against the relevant short term or long term benchmark (EAL or EQS). An emission can be considered to have an insignificant impact if the PC is less than 1% of the relevant long term EAL or EQS or less than 10% of the short term EAL or EQS.


PGEHelpComments:
This page calculates the process contributions (PC) of each of the substances released, as dispersed into air. Short term values are expressed as hourly averages and long term as either monthly or annual averages depending on the substance specific basis for the respective EAL. The same averaging period should be used for comparison against the relevant standard. See Annex F, Table 2.1 for conversion factors from 1 hour to other timescales.


PGEHelpComments:
This graph displays the total impact of emissions to air for each option assessed. (For an environmental assessment only one bar will be shown, as "Option 1").


PGEHelpComments:
This graph presents the results of the assessment of long term effects of releases to air.  It presents the releases by substance for each option considered in the assessment.  (Click on the option on the top bar to display other options).


PGEHelpComments:
The first step of the inventory is to identify the release points that are relevant to your site assessment or options appraisal.  If there are no emissions to air, select "No" and the subsequent air impact steps will automatically be removed.


PGEHelpComments:
This graph presents the results of the assessment of short term effects of releases to air.  It presents the releases by substance for each option considered in the assessment.  (Click on the option on the top bar to display other options).


PGEHelpComments:
This page will only be displayed if  you are doing an options appraisal.


PGEHelpComments:
On this page you should identify the capital costs of implementing each option.


PGEHelpComments:
This page calculates the Equivalent Annual Costs of each option.  This is a standard method for the presentation of costs of environmental protection measures, based on discounted cash flow techniques.


PGEHelpComments:
This graph displays the annual operating costs and annualised capital cost of each option. This enables the relative proportion of capital to operating costs to be clearly seen.


PGEHelpComments:
This graph displays the equivalent annual costs of each option.


PGEHelpComments:
On this page you should describe how the deposition of emissions from air to land has been assessed. Deposition is a long term effect and so relevant to substances with long term assessment criteria.


PGEHelpComments:
By selecting the type of assessment, the software will automatically remove any of the steps that are not required for that type of assessment.


PGEHelpComments:
On this page you should provide information about energy used in the activities included in your assessment or options. Figures should be expressed as gross calorific values.


PGEHelpComments:
This page displays the global warming potential  impact of substances released from your activities or options.  These are listed separately as direct non-energy substances, carbon dioxide from direct conversion of energy at the facility, and carbon dioxide from indirect energy use (ie imported heat and power).


PGEHelpComments:
This graph displays the total global warming potential for each of the options considered (If you have carried out an environmental assessment this is displayed as a single bar as "Option 1".)


PGEHelpComments:
This page allows you to screen out any considerations that are not relevant to the activities. The remaining assessment steps for any considerations screened out here will be hidden.


PGEHelpComments:
This page provides an introduction to the general aims of step 1.

PGEGuidanceDocument:
Click Here For H1 Review Consultation Documents


PGEHelpComments:
On this page you should provide information about the quality of the local environment.  This is so that you can identify any critical issues that are likely to influence either acceptability of your releases to the local environment, or a decision as to what constitutes BAT in the local context.  It is useful to identify any critical issues at an early stage rather than proceed to put in further effort of an assessment of options or emissions that are likely to be unacceptable because of local constraints.


PGEHelpComments:
Refer to Annex F for guidance - more text required ????


PGEHelpComments:
Use this page to enter details about your Odour Emissions


PGEHelpComments:
This graph displays the long term odour impacts against accepted release levelse levels for each release point.


PGEHelpComments:
This graph displays the short term odour impacts against accepted release levelse levels for each release point.


PGEHelpComments:
This graph displays the total dispersal concentration by odour type and compares it to the odour type threshold.


PGEHelpComments:
On this page you should provide information on the annual operating costs of each option. If this varies over the life of the project, you should present the average cost.


PGEHelpComments:
On this page you should present your decision of which option represents the lowest overall environmental impact, and summarise how you have resolved any cross-media conflicts.


PGEHelpComments:
This page is provided to identify what further assessment may be necessary in order for you to select BAT from the options.  By answering the questions listed here, you will be automatically prompted to complete further sections of the methodology as relevant.


PGEHelpComments:
This page summarises the photochemical ozone creation potential (POCP) of the substances released from your activities or options.  The software automatically identifies those substances from the air emissions inventory that have a  POCP factor, and lists them here.


PGEHelpComments:
This graph presents the total Photochemical Ozone Creation Score for each option, built up from the individual contributing substances.


PGEHelpComments:
This page calculates specific consumption data for your activities and is only applicable to an assessment of the emissions from your activity, it is not relevant to an options appraisal. Hence you must select the button for steps 1,2,3 only when describing your objectives at the front of the tool.


PGEHelpComments:
List all of the raw materials used in the activities within the assessment or options.  This should include water (where relevant) shown as the first two entries by default.  If water is not relevant, use the button to delete the entries.


PGEHelpComments:
On this page you should provide a list of the main activities or unit operations involved in the scope of the assessment, eg:


PGEHelpComments:
You should read the relevant part of Annex K  before completing this section.


PGEHelpComments:
On this page you should provide confirmation that the emissions from your site are acceptable in that they demonstrate a high level of protection of the environmental as a whole and that any residual risk is not significant.


PGEHelpComments:
On this page, you can select a table summarising the key data for each of the environmental considerations. These tables may be individually printed.


PGEHelpComments:
On this page you should make an assessment of the visual impact of any plumes resulting from the emissions from your activities.  Note that the only visible substance permitted should be condensed water vapour.


PGEHelpComments:
This graph displays the relative waste hazard and disposal scores for each of the options assessed, shown as pairs of columns. (Where an environmental assessment has been carried out only one set of columns are displayed as "Option 1").


PGEHelpComments:
On this page the tool calculates the impact score for each of your waste streams based upon the information you provided on the waste inventory page.


PGEHelpComments:
On this page you should provide information about the waste streams arising from your activities or options.


PGEHelpComments:
This page calculates whether any of the substances you release constitute a 'Significant Load'. This is only releavnt for Priority Substances.


PGEHelpComments:
On this page you should identify the FINAL points of discharge for any liquid effluent emissions relevant to your assessment or options appraisal. If there are no releases to water, select "No" and this will automatically hide the subsequent water emissions assessment steps.

For Lower Estuary or Coastal discharges, seperate Discharge Locations must be added for each release


PGEHelpComments:
On this page you should describe the substances released to water.


PGEHelpComments:
On this page you should describe whether or not detailed modelling of the effluent is warranted.  This will be based on consideration of a number of factors, which are described in Annex D.


PGEHelpComments:
This page is used to calculate the process contributions (PC) of substances as dispersed into the receiving water course.


PGEHelpComments:
This page asseses whether the concentration of any substance released to a TRaC Water is above the Salt Water EQS for that substance


PGEHelpComments:
This page displays the comparison of the Process Contributions (PC) of each substance against the relevant short term or long term benchmark (EAL or EQS). An emission can be considered to have an insignificant impact if the PC is less than 4% of the relevant EAL or EQS and these emissions will be screened from further assessment in this methodology. See Annex D for further information.


PGEHelpComments:
This graph displays the total impact of emissions to water for each option assessed. (For an environmental assessment only one bar will be shown, as "Option 1").


PGEHelpComments:
This graph presents the long term impacts of releases to water. It presents the releases by substance for each option considered in the assessment.  (Click on the option on the top bar to display other options).


PGEHelpComments:
This page is to enable you to demonstrate that the effluent discharged is in an acceptable range for temperature and pH conditions.


PGEHelpComments:
On this page you should list all of the relevant release points for the assessment or option you are conducting.


PGEHelpComments:
This graph displays the short term impacts of releases to water. It presents the releases by substance for each option considered in the assessment.  (Click on the option on the top bar to display other options).


PGEHelpComments:
Please fill in sufficient information to enable the facility to be readily identified.  Detailed information is not required.  Enter permit number only if known.


PGEHelpComments:
This page provides a general introduction to the aims of Step 2, the Emissions Inventory.


PGEHelpComments:
This page gives you an introduction to the steps to be carried out in step 3.


PGEHelpComments:
This page provides a general introduction to step 4 of the methodology. Guidance is provided in Annex K.


PGEHelpComments:
This page provides a general introduction to step 5, for which you estimate the costs to implement the options you have assessed.


PGEHelpComments:
This page provides a brief introduction to step 6 of H1, where the final decision of costs and benefits is made to select the option that is considered to be BAT.


PGEHelpComments:
The basic information you will need to complete this software is provided on the screens or in the help boxes.  For further detail on the principles, methodology, calculation steps and background information, refer to the H1 Overview document. It is recommended that you keep this document available to refer to as you go through this software.


# ReferenceInfo

REFObjectives:
Assessment of air emissions to support application for a new permit.


# Substances

SUBSubstance:
Ammonia (ecological receptor - Sensitive Lichens)


SUBSubstance:
Antimony and compounds (as Sb) except antimony tri


SUBSubstance:
Cadmium and its compounds (< 40 mg/l Ca CO3)


SUBSubstance:
Cadmium and its compounds (≥ 200 mg/l CaCO3)


SUBSubstance:
Cadmium and its compounds (100 - <200 mg/l CaCO3)


SUBSubstance:
Cadmium and its compounds (40 - < 50 mg/l CaCO3)


SUBSubstance:
Cadmium and its compounds (50 - <100 mg/l CaCO3)


SUBSubstance:
Chromium, chromium (II) compounds and chromium (III) compounds as Cr


SUBSubstance:
Cyclodiene pesticides: Aldrin, Dieldrin, Endrin, Isodrin (Total)


SUBSubstance:
Hydrogen fluoride (as F) (Ecological - Daily Mean)


SUBSubstance:
Hydrogen fluoride (as F) (Ecological - Weekly Mean)


SUBSubstance:
Mercury and compounds, except mercury alkyls, (as


SUBSubstance:
Nickel (total Ni compounds in the PM10 fraction)


SUBSubstance:
Nitrogen Dioxide (Ecological - Daily Mean)


SUBSubstance:
Polyaromatic hydrocarbons - Benzo (b) or (k)fluoranthene


SUBSubstance:
Polyaromatic hydrocarbons (PAH): Benzo (a)pyrene


SUBSubstance:
Polyaromatic hydrocarbons: Benzo (g,h,i)-perylene / Indeno(1,2,3-cd)-pyrene


SUBSubstance:
Polycyclic aromatic hydrocarbons (PAH)-total content within PM10 fraction


SUBSubstance:
Selenium and compounds, except hydrogen selenide (as Se)


SUBSubstance:
Sulphur Dioxide (Ecological - Sensitive Lichens)


SUBSubstance:
Trimethylbenzenes, all isomers or mixtures


# Sys

Comments:
Odour Section Removed. To put back in, change Section back to 'Air' in Pages table (rather than Odour). Other Bug fixes


Comments:
1) Table Sys.comments field datatype was changed to memo to accommodate more text in order to document changes to the application.

2) Odour section:
These pages are to be hidden - further steps in addition to those mention in 2.7.3 were required to hide the pages:
Sub REFObjective_AfterUpdate: Call SelectSection("Odour", commented out
Sections.SECSelected set to false where Section name = Odour

3) ConsumptionBenchmarks subform (Performance indicators):
Subform was appearing blank with no controls visible.
A default row with Option 1 was added to the ConsumptionBenchmarks table

4) AirImpactScreening form:
Heading text amended to 'Air Impacts Screening Stage 1'

5) AirImpactModelling form:
Heading text amended to  'Air Impacts Stage Two Screening'

Items that failed the AirImpactModelling test to be highlighted red:
Controls added to display Yes or No for test % PEC of EAL  >=70?
Controls added to display Yes or No for test % PC of headroom >=20?
Expressions added to form recordsource to calculate the Yes/No values 
CLCPECofEALLongTermSignificant: [CLCPECofEALLongTerm]>=70
CLCPCofEALMinusBGShortTermSignificant: [CLCPCofEALMinusBGShortTerm]>=20
Form recordsource saved as a database query 'qslQuantifyImpactsAir2'
Form control INVSubstance.Backcolor set to Normal to allow conditional formatting to work correctly on all rows
Conditional formatting added for INVSubstance to make it go red colour:
Expression Is [CLCPCofEALMinusBGShortTermSignificant] Or [CLCPECofEALLongTermSignificant]
Page help text amended to explain red formatting

6) WaterReleasePoints form:
Problem with a validation rule  'Max effluent flow rate cannot be less than mean effluent flow rate'
After the rule fired it was difficult to correct the data as the rule was part of the control definition
The validation rule and validation text was removed from the validation rule property of the control DIVEffluentFlow5pcExceeded and implemented  in VBA proc WaterReleasePoints.Form_BeforeUpdate
The original validation rule in DIVEffluentFlow5pcExceeded was >=[DIVEffluentFlowRate]

7) WaterImpactTRaCAEVF form (Effective Volume Flux  - TRaC Water Releases):
The Sewage treatment reduction factor (STRF) was not being reflected in the EVF and EVFMAC values displayed on the form and used in test 5.
Query qslQuantifyImpactsSaltWaterEVF was amended to include the STRF field [WaterInventory]![INVEffluentReductionFactor]
VBA proc WaterImpactTRaCAEVF.calcEVF was amended to incorporate STRF
VBA proc WaterImpactTRaCAEVF.calcEVFMAC was amended to incorporate STRF
Note that these VBA procs run on the form's On_Current event and the After_Update event of the Water Background Concentration so the new values are not calculated until you visit the row or edit the  Background Concentration

8) WaterTempInventory subform
On the Water Temperature page the calculation of the Maximum temperature difference shows as ###### due to too many decimal places/insufficient room to display.
WaterTempInventory form recordsource updated
CLCTMPMaxTempDiff expression formatted to 1 decimal place

9) ConsumptionBenchmarks subform (Performance indicators)
Default entries for Potable Water and Non-potable water not appearing
Default entries for "Non-potable Water" and "Potable Water" were added to RawMaterials table. (note that this is done by running macResetData, the reset data macro is run to reinitialise the tool ready for production use)

10) ConsumptionBenchmarks subform (Performance indicators):
Wastes are not subdivided into the 5 Annexe G waste categories - missing StableNonReactiveHazardous, BiodegradableNonHazardous, OtherNonHazardous

Table tmpWasteTotals: cols added for missing categories
Table ConsumptionBenchmarks: cols added for missing categories
Query qslConsumptionBenchmarks: cols added for missing categories
Form ConsumptionBenchmarks: textboxes and labels added for missing categories
Query recInventoryTotalsConsumption9: cols added for missing categories
Query recInventoryTotalsConsumption10: cols added for missing categories
Query qctWasteHazardTotals: reworked for the new categories/scores
Query qryResetData5: cols added for missing categories
Query recInventoryTotalsConsumption1: cols added for missing categories
Table ControlTips: 3 rows added to cover form controls for missing categories on the ConsumptionBenchmarks form

11) Substances list replaced with updated version issued on Substances_v273_updated release type_Dec_2015.xlsx, emailed by NH on 07/12/15

12) Bug fix for 3022 duplicate error in WaterReleasePoints.cmdAdd_Click which occurs if user clicks Add but current row fails validation checks.  The discharge point (DP) number which is part of the table PK assigned to a new row is derived from the form's recordsetclone property. However the recordsetclone may not be up-to-date without requerying the form and if so then the wrong DP number will be  assigned to the new row. This can occur if a user completes a row and then clicks 'Add' button to add a new row but the previous row has failed validation checks. The problem is that the button on_click event procedure to add the new row fires before the before_update event procedure of the existing row which contains the validation code. This works ok the first time but subsequently the ‘add new row’ procedure comes up with a duplicate DP number because the form has not yet been requeried to reflect that a new row has been added. This results in a unique index violation error 3022. This odd behaviour may be something to do with how events on continuous forms interract and there appears to be no way around this short of redesigning the form. You could use a query to derive the correct DP number but once all the validation checks were passed this would result in a new row appearing for each aborted button click. To get around this odd behaviour a trap for error 3022 was added to avoid a new row being added each time the user clicks Add after a validation failure. A requery command is included to ensure that once the error is corrected the previously entered new row appears.


Comments:
Options for 64 bit function declarations added to basCommonFile and basGlobal. If not using 64bit, the compiler will skip non-applicable declaration but note that the MDE/ACCDE files must be created on the type of platform (32 or 64 bit) on which they will be used.


Comments:
Removed reference to Microsoft Excel Library, changed Excel automation code to late binding.
modXLExport
Form_EXPORTToOPRA
modNG.ImpControlTips

Added basExcelConst to support use of excel constants in code after change to late binding
e.g. With myChart.Axes(xlCategory, xlPrimary)

Amended Form_Import.ImportH1 to include consumptionbenchmarks table
This table must have one default row in it or he performance indicators page will appear completely blank
Added query Imp_19 for import of consumptionbenchmarks data


Comments:
1)  The import function invoked from Form_Import.cmdSource_Click was amended to use the Application.FileDialog instead of the Windows common dialog accessible via the windows api. This was because the Windows common dialog would not open when the tool was run on 64bit version of MS Office despite using conditional compilation statements in the 32 bit api function declarations. You can if necessary now type or paste the path and filename of the source file into the textbox on the import form.

2) The long term process contribution calculation for emissions to air which is invoked from query recInventoryTotalsAir10 was modified to take into account the operating mode (the % of the time the release is occuring over a given period).

More details for item 2
=====================
Changing the % Operating mode on Air Emissions inventory page was not having any effect on the the long term PC value on the Air Impacts page. It should be being reduced proportionately according to the % Operating mode

Example documented by NH:
In the Air Emissions inventory page we set the % operating mode for the year. So if a site works only Monday to Friday 24 hours a day it works 5/7ths of the week and we set the operating mode to 71.4%. Unchanged the tool assumes a continuous release across the entire year expressed in grammes per second. So here the operating mode is set to 100%, the annual rate is 3.1536 tonnes per year and the PC = 0.052 µg/m3.

By adjusting the % operating mode we should see the long term PC reduce and the annual emission rate also reduce. Setting the operating mode to 50% should reduce the annual rate and the long term PC. It does change the annual rate. But it does not change the long term PC.

If we leave the operating mode at 100% and change the emission rate from 100 mg/m3 to 50 mg/m3 we get Annual rate 1.5768 tonnes per year. And in terms of the long term PC we get 0.0260 ug/m3

And we see the long term PC is reduced by half as it should be. So we can conclude the % Operating Mode is having no effect on the predictions the tool is making

===========================================================
Note: To calculate PC to air, the dispersion factor in micrograms per cubic metre per gram per second is multiplied by the release rate in grams per second.

The PC calculation was modified to take into account the operating mode factor:

Field name prefixes:
DIV = AirReleasePoints
INV = AirInventory

Form: Air Emissions Inventory (AirInventory) - operating mode (% of year) 
Table/field: AirInventory.INVDurationBasis	
Form Air Impacts: (AirImpacts) - PC ug/m
Recordsource: qslQuantifyImpactsAir (this query incorporates the AirInventory table)
INVPCLongTermDisp (expression bound to:) =sigfig([AirInventory].[INVPCLongTerm])   (alias PCLong Term)

INVPCLongTerm is recalculated on the form's after_update event
At this time the query recInventoryTotalsAir10 is executed
The query contains the expression:
INVPCLongTerm = [INVNormalRate]*GetDispersion([DIVEffectiveHeight],"LongTerm",[INVSubstance])
The query expression was altered as below to include the operating mode factor INVDurationbasis in the expression
INVPCLongTerm = [INVDurationbasis]*([INVNormalRate]*GetDispersion([DIVEffectiveHeight],"LongTerm",[INVSubstance]))


# tmpModelPCWater

INVSubstance:
Polyaromatic hydrocarbons (PAH): Benzo (a)pyrene


