Science & Technology

Risk Evaluation for 1,2-Dichloroethane

EPA designated 1,2-dichloroethane as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.

List of Quarterly and Annual Reports for Renewable Fuel Standard - Compliance Year 2025

This page contains the list of Compliance Year 2024 RFS Annual Reports.

Office of Research and Development Strategic Plan

Webpage outlining ORD's Strategic Plan

ORD Strategic Goals and Objectives

Goals and Objectives of the ORD Strategic Plan

Overview of the Endocrine System

Endocrine systems, also referred to as hormone systems, are found in all mammals, birds, fish, and many other types of living organisms.

Physical Habitat

This page introduces the physical habitat module, when to list physical habitat as a candidate cause, ways to measure physical habitat, simple and detailed conceptual diagrams, and module references and literature reviews.

Region 4 Virtual Reading Room - LCP Chemicals Site, Brunswick, GA

Frequently requested region 4 FOIA related documentation about the LCP Chemicals Site in Brunswick, GA

Interim Guidance for Using Ready and Inherent Biodegradability Tests to Derive Input Data for Multimedia Models and Wastewater Treatment Plant (WWT) Models

provides guidance for using ready and inherent biodegradatability tests for multimedia and waste water treatment models

Vehicle and Engine Alternative Fuel Conversions

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

Air Issues in Oklahoma

Air Programs and Pollution Issues in Oklahoma

EPA Regional Monitoring Networks (RMNs) for Aquatic Ecosystems

The purpose of the site is to provide the regional, state, and tribal partners with the technical information that we've developed in order to participate in the regional monitoring networks (RMNs).

Environmental Geophysics

The Environmental Geophysics website features geophysical methods, terms and references; forward and inverse geophysical models for download; and a decision support tool to guide geophysical method selection for a variety of environmental applications.

About Estuary Data Mapper (EDM)

Estuary Data Mapper is a tool for geospatial data discovery, visualization, and data download for any of the approximately 2,000 estuaries and associated watersheds in along the five US coastal regions.

Troubleshooting RSIG

Remote Sensing Information Gateway, a tool that allows scientists, researchers and decision makers to access a variety of multi-terabyte, environmental datasets and to subset the data and obtain only needed variables, greatly improving the download time.