Science & Technology
-
Learn About RSEI
Basic information about the EPA Risk-Screening Environmental Indicators (RSEI) model
-
Modeling Air Releases in RSEI
Information on how RSEI models air releases to produce scores and other RSEI metrics
-
Modeling Water Releases in RSEI
Information on how RSEI models water releases to produce scores and other RSEI metrics
-
RSEI Results Definitions
A list of RSEI Results definitions
-
About EPA Transcriptomic Assessment Product (ETAP)
Page describing the EPA Transcriptomic Assessment Product and linking out to more information.
-
ETAP Standard Methods
Page describing ETAP standard methods
-
eGRID Environmental Footprinting
This paper describes how to use eGRID to determine emissions associated with electricity purchases.
-
eGRID PM2.5 Methodology
These documents provide additional materials for eGRID.
-
Webinar: SF6-Free Alternative Medium and High Voltage Circuit Breakers - Vacuum Technology
Electric Power Systems Partnership utilities offered testimonials and discussed their experiences installing and using SF6-free vacuum breaker technology in their transmission and distribution infrastructure.
-
Webinar: SF6 Gas Storage Inventories - Strategies for Tracking
Partner utilities discussed how they manage their SF6 inventory by sharing stories on how they track their SF6 gas inventory and cylinder management at their substations.
-
Methods for Calculating CHP Efficiency
Understand the two methodologies for calculating CHP efficiency: total system efficiency and effective electrical efficiency.
-
Analysis of the Proposed Greenhouse Gas Standards and Guidelines
IPM analyses of the Proposed NSPS and Existing Source Rules
-
Results using Post-IRA 2022 Reference Case
Download EPA's IPM v6 including documentation, overview, System Summary Report, .DAT, .RPE, .RPT files, Gas Report, State Level Emissions, Generation and Heat Input Summary.
-
Results using EPA’s Power Sector Modeling Platform v6 - Summer 2021 Reference Case
Download EPA's IPM v6 including documentation, overview, System Summary Report, .DAT, .RPE, .RPT files, Gas Report, State Level Emissions, Generation and Heat Input Summary.
-
Documentation for Base Case v.5.13: Generating Resources
View Chapter 4 of the documentation for EPA Power Sector Modeling Platform v.5.13, including associated attachments.
-
Integrated Planning Model (IPM) Run Files for Supporting Scenarios
View links to download IPM run files for the scenarios that support development of the Clean Power Plan proposal.
-
Analysis of the Final Greenhouse Gas Standards and Guidelines
IPM analyses of the Proposed NSPS and Existing Source Rules
-
Previous Versions of EPA Platforms Using IPM
Find previous versions of EPA's Integrated Planning Model (IPM) including versions 5.16; 5.15; 5.14; and 5.13.
-
Wet Deposition Maps
Annual average wet deposition estimated with the TDep Measurement Model Fusion method using the concentrations in precipitation and precipitation amounts measured by NADP/NTN and the modeled precipitation amounts estimated by the PRISM model.
-
Responses to 40 CFR Part 75 Petitions - 2011
Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2011.