Science & Technology

Monitor Values Report

This report displays criteria pollutant summary data for individual monitoring sites

Air Data - Ozone Exceedances

This tool compares 8-hour ozone exceedances between two years or multi-year periods for a city or county.

GHGRP 2022: Petroleum and Natural Gas Systems

Overview and data highlights of 2021 petroleum and natural gas systems emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.

Get Air Emissions Data

This page is intended for folks who are looking for emissions inventory data.

Air Quality Statistics Report

This report provides standards-related summary data by city or county.

Suppliers of Industrial GHGs and Products Containing GHGs

Overview and data highlights of 2021 natural gas and natural gas liquids sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.

GHGRP 2021: Reported Data

Data from greenhouse gas-emitting facilities and suppliers in 2021 to the EPA greenhouse gas reporting program, as well as data highlights from the reporting year.

GHGRP 2022: Reported Data

Data from greenhouse gas-emitting facilities and suppliers in 2022 to the EPA greenhouse gas reporting program, as well as data highlights from the reporting year.

Air Quality Index Report

This report provides Air Quality Index annual summary information, including maximum AQI values and the count of days in each AQI category.

Sequence Alignment to Predict Across Species Susceptibility (SeqAPASS) Resource Hub

Sequence Alignment to Predict Across Species Susceptibility (SeqAPASS), is a fast, online screening tool that allows researchers and regulators to extrapolate toxicity information across species.

2024 Chemical Data Reporting Questions and Answers

Chemical Data Reporting for 2024

Vehicle and Engine Alternative Fuel Conversions

View background information on fuel conversion, instructions for demonstrating compliance, and other related information.

Lists of EPA-Compliant Alternative Fuel Conversion Systems

The conversion systems on these lists have been certified by EPA as meeting applicable emission standards and are exempt from the Clean Air Act tampering prohibition.

Coastal Community Resilience Research

Information page for the Chesapeake Bay Solutions-Driven Research project

Certified Drinking Water Labs Located in Region 1

View spreadsheets of laboratories located in New England that are certified by New England states to test drinking water contaminants.

OPPT Trichloroethylene (TCE) Draft Risk Assessment Final Comments

TSCA Chemical Data Reporting Fact Sheet: Toll Manufacturing

This fact sheet provides information on existing Chemical Data Reporting (CDR) regulations to persons who are involved in toll manufacturing of chemical substances which may be subject to the CDR rule.

TSCA Chemical Data Reporting Fact Sheet: Reporting Thresholds for 2016

This fact sheet provides information for persons who may be subject to the Chemical Data Reporting (CDR) rule about regulatory reporting thresholds that are applicable to the 2016 reporting period.

TSCA Chemical Data Reporting Fact Sheet: Chemical Substances which are the Subject of Certain TSCA Actions

This fact sheet provides guidance for people who may be subject to the Chemical Data Reporting (CDR) rule on how their requirements for reporting for 2016 may be affected when chemical substances are the subject of certain TSCA actions.

Program Contacts for Proctor Creek Watershed/Atlanta (Georgia)

This page has contact information for people leading the Proctor Creek location in Atlanta