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Emission Factor and Emission Estimation Tools
Emission Factor Tools
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| WebFIRE | The WebFIRE database includes EPA's recommended emission estimation factors for criteria and hazardous air pollutants. |
Emission Estimation Tools- Documents
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| July 2012: Emission Estimation Protocol for Petroleum Refineries - Version 2.1.1 Final ICR Version May 2011
Refinery wastewater emissions tool spreadsheet - November 2010 |
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Emission Estimation Tools- Software
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| TANKS | TANKS estimates volatile organic compound (VOC) and hazardous air pollutant (HAP) emissions from fixed- and floating-roof storage tanks. |
| SPECIATE | SPECIATE is EPA's repository of Total Organic Compound (TOC) and Particulate Matter (PM) speciated profiles for a variety of sources for use in source apportionment studies. |
| LandGEM | The Landfill Gas Emissions Model (LandGEM) is an automated estimation tool with a Microsoft Excel interface that can be used to estimate emission rates for total landfill gas, methane, carbon dioxide, nonmethane organic compounds, and individual air pollutants from municipal solid waste landfills. It is available from the EPA's Clean Air Technology Center. |
| WATER9 | WATER9, a wastewater treatment model, consists of analytical expressions for estimating air emissions of individual waste constituents in wastewater collection, storage, treatment, and disposal facilities; a database listing many of the organic compounds; and procedures for obtaining reports of constituent fates, including air emissions and treatment effectiveness. |
| PM Calculator | May 2010. The Emission Inventory and Analysis Group has posted a Microsoft Access version of PM Calculator. The file is available on the Emissions Inventories page under Emissions Inventory Tools. |