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Emissions Factors and Electronic Reporting Recent Additions



September 19, 2016 An updated version of the ERT Ver. 5 application and ERT User's Guide - 8-10-2016 Release https://www.epa.gov/ttn/chief/ert/index.html .
April 21, 2016 An updated version of the WebFIRE Template https://www.epa.gov/ttn/chief/ert/index.html#template for importing test data into WebFIRE is now available.
October 20, 2014 ERT version 5 is now available. An update has been made to the ERT application, Users Manual, Example Project Data Sets, and Instructional Videos. These updates are available on the ERT version 5 web page. For information on the revisions to the ERT please see the update history
October 16, 2014 We are extending the deadline for submitting written comments on the proposed actions for Revised AP-42 Sections 5.1, 8.13, and 13.5 and Refinery Protocol and Negative Determination on Tanks and Wastewater Treatment Units to October 31, 2014. Proposed New and Revised Emission Factors for Flares and Proposed New Emission Factors for Certain Refinery Process Units and Proposed Determination for No Changes to VOC Emission Factors for Tanks and Wastewater Treatment Systems
August 12, 2013 An update has been made to the draft final “Guidance on the Recommended Procedures for Development of Emissions Factors and Use of the WebFIRE Emissions Factor Database” at https://www.epa.gov/ttn/chief/efpac/procedures/index.html.

| Office of Air Quality Planning & Standards | Technology Transfer Network |
| Clearinghouse for Inventories & Emissions Factors |

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