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.

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.

2024 Chemical Data Reporting Questions and Answers

Chemical Data Reporting for 2024

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

Request for Full Exemption of Four Pulping Chemicals from the TSCA Chemical Data Reporting Rule Requirements

The American Forest & Paper Association (AFPA) petitioned for a full exemption from CDR reporting for four pulping chemicals

CSPP CDX Registration Guide

CDX allows users submitting data to the EPA to register for the specific program of interest. This Guide describes the registration process and information requirements associated with Submissions for the Chemical Safety and Pesticide Programs (CSPP).

Ecosystem Services Scenario Assessment using EPA H2O

EPA H2O is a desktop GIS-based decision support tool for assessing the provision of ecosystem services under different land use scenarios.

Verified Technologies List for Clean Diesel

This list provides information about diesel retrofit technologies that EPA has approved or conditionally approved for use in engine retrofit programs.