An official website of the United States government.

We've made some changes to If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Air Emissions Factors and Quantification

Emissions Estimation Protocol for Petroleum Refineries

Emissions Estimation Protocol for Petroleum Refineries - Version 3.0  (PDF 2,956K) posted April 20, 2015.

For questions about the guidance document or the tool, contact Brenda Shine at 

Background Documentation 
These documents have been posted for information purposes only. 

-  Refinery wastewater emissions tool spreadsheet - March 2011   (XLSX 207K)
-  Petroleum Refinery Source Characterization and Emission Model for Residual Risk Assessment (PDF 523K). Prepared for U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Research Triangle Park, NC. EPA Contract No. 68-D6-0014. July 2, 2002. 
 - Petroleum Refineries: Background Information for Proposed Standards (PDF 5.7M). Background information on the proposed petroleum refinery MACT standards. EPA EPA-453/R-98-003, June 1998.