Science & Technology
-
eGRID2020 Corrections and Revisions
Describes corrections and revisions for updated eGRID data
-
Notice of Data Availability - Preliminary Interstate Ozone Transport Modeling Data for the 2015 Ozone NAAQS
EPA is providing an opportunity to review ozone transport modeling data for the 2015 ozone NAAQS
-
Findings of Failure to Submit a Clean Air Act Section 110 State Implementation Plan for Interstate Transport for the 2015 Ozone National Ambient Air Quality Standards (NAAQS)
EPA is finding that seven states failed to submit complete interstate transport State Implementation Plans or SIPs for the 2015 8-hour ozone National Ambient Air Quality Standards
-
Rescission of the Finding of Failure to Submit a Clean Air Act Section 110 State Implementation Plan for Interstate Transport for the 2015 Ozone National Ambient Air Quality Standards (NAAQS)
EPA is finding that seven states failed to submit complete interstate transport State Implementation Plans or SIPs for the 2015 8-hour ozone National Ambient Air Quality Standards
-
Responses to 40 CFR Part 75 Petitions - 2024
Petition responses in 2024
-
Responses to 40 CFR Part 75 Petitions - 2022
Petition responses in 2022
-
Responses to 40 CFR Part 75 Petitions - 2023
Petition responses in 2023
-
Responses to 40 CFR Part 75 Petitions - 2020
Approval for an alternative data substitution methodology.
-
Responses to 40 CFR Part 75 Petitions - 2019
Approval for an alternative data substitution methodology.
-
Responses to 40 CFR Part 75 Petitions - 2018
Approval for an alternative data substitution methodology.
-
Responses to 40 CFR Part 75 Petitions - 2016
EPA's responses (in chronological order) to submitted Part 75 petitions in 2016.
-
Responses to 40 CFR Part 75 Petitions - 2014
Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2014.
-
Responses to 40 CFR Part 75 Petitions - 2013
Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2013.
-
Responses to 40 CFR Part 75 Petitions - 2006
Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2006.
-
Power Sector Data Crosswalk
A crosswalk matching EPA/CAPD data on combustion units to EIA's data on generators.
-
CHP Benefits
Learn about CHP benefits, including increased efficiency, reduced emissions of greenhouse gases and other air pollutants, energy cost savings, and enhanced energy reliability.
-
CHP Policies and Incentives
Access state and federal CHP policies and incentives through dCHPP (CHP policies and incentives database)
-
CHP Energy and Emissions Savings Calculator
Download the CHP Emissions Calculator, a tool that calculates the difference between the anticipated carbon dioxide, methane, nitrous oxide, sulfur dioxide, and nitrogen oxide emissions from a CHP system to those of a separate heat and power system.
-
Data Use and Citation
Citation for CASTNET data use in publications
-
Water Quality Standards Regulations: Pueblo of Nambe
Information related to Water Quality Standards for Pueblo of Nambe.