Science & Technology

Responses to 40 CFR Part 75 Petitions - 2015

Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2015.

Responses to 40 CFR Part 75 Petitions - 2010

Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2010.

Virtual and Field Audit Resources

The Continuous Emissions Monitoring System (CEMS) Field Audit Manual details recommended procedures for conducting a field audit of a Part 75 monitoring system. Included are tools can use to prepare for an audit.

Responses to 40 CFR Part 75 Petitions - 2007

Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2007.

Power Plants and Neighboring Communities Graphs

Graphs that display the relationship between power plants and the surrounding communities

Part 75 Testing Notifications and Reports

Provides information on submitting notifications to EPA and states under Part 75 regulations. https://www.epa.gov/node/277573/edit#edit-group-javascript

CHP's Role in Decarbonization

Learn about CHP benefits, including increased efficiency, reduced emissions of greenhouse gases and other air pollutants, energy cost savings, and enhanced energy reliability.

Best Practice Documents on Greening Vacant Lots

The U.S. Environmental Protection Agency’s Region 5 compiled current practices on vacant lot greening as a resource on issues of stormwater management, construction specifications, job training, property maintenance and funding.

EPA EcoBox Tools by Exposure Pathways - Water and Sediment

Eco-Box is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases

External Review of BMDS 2.0 Beta Dichotomous (Quantal) Models (2007)

Summary and links to external peer reviews of BMDS dichotomous (quantal) models

External Review of the Multistage Weibull Time-to-Tumor Model (2007)

Summary and links to external peer reviews of MS_Combo multi-tumor model

Updated Seagrass Retrieval in EDM

Estuary Data Mapper (EDM) uses web coverage service (WCS) calls to retrieve, stream, and save data. This page describes how to tap into those WCS commands for your own applications and usages.

Air-Surface Exchange Process Overview

This air-surface exchange overview describes the way CMAQ accounts for the constant exchange, or flux, of chemicals between the atmosphere and Earth’s surface.

EPA to Hold June 4 Public Hearing on cleanup Plan for Johns Manville Corp Superfund Site in Waukegan, Illinois

The public comment period for the cleanup plan starts today, May 28

EPA News Release: EPA to Hold June 4 Public Hearing on cleanup Plan for Johns Manville Corp Superfund Site in Waukegan, Illinois

Release Date: May 28, 2025