Science & Technology

Working Paper: How Did Air Quality Standards Affect Employment at U.S. Power Plants? The Importance of Stringency, Geography, and Timing

This is a working paper titled "How Did Air Quality Standards Affect Employment at U.S. Power Plants? The Importance of Stringency, Geography, and Timing"

Federal Guidance for Radiation Protection

EPA produces federal guidance technical reports, which standardize dose and risk assessment and issues radiation protection guidance to federal agencies. This page provides links to federal guidance policy recommendations and technical reports.

LaPlace, Louisiana - Memo on Integrated Risk Information System (IRIS) Assessment of Chloroprene

Memo providing information on EPA's 2010 IRIS assessment of chloroprene

LaPlace, Louisiana - Preliminary Risk-Based Concentration Value for Chloroprene in Ambient Air

Memo providing interim recommendations for a risk-based concentration value for chloroprene.

Limitless Potential: Keokuk, Iowa, Aims to Revitalize Old Elkem-Carbide Site

EPA's $2 million grant will help Keokuk achieve its goal of revitalizing an abandoned carbide plant, one of the largest 2023 grants offered by Region 7's Brownfields program.

FOIA Libraries and Repositories

Freedom of Information Act Regional Libraries page contains frequently requested environmental information by region.

EPA completes Hurricane Helene cleanup at Douglas Lake in partnership with federal, state and local agencies

Release Date: July 31, 2025

Two TSCA Environmental Release Applications (TERAs) for Pseudomonas putida (P. Putida)

TERAs submitted by Oak Ridge National Laboratory and given the tracking designations of R-01-0003 and R-01-0004. The microorganisms will be tested at the Ravenna Army Ammunition Plant in Ohio to determine whether they can detect traces of TNT in soil.

TSCA Environmental Release Application (TERA) for Pseudomonas putida (P. Putida)

The TERA, submitted by Oak Ridge National Laboratory, involves field trials of a modified strain of Pseudomonas putida (P. Putida). The TERA was given the tracking designations of R-00-0002.

Upper Animas Mining District: SAP / QAPP for 2015 Sampling Events

Sampling and Analysis Plan/Quality Assurance Project Plan for 2015 Sampling Events for the Upper Animas Mining District in San Juan County, Colorado; June 2015.

Presidential Green Chemistry Challenge: 2014 Greener Synthetic Pathways Award

Presidential Green Chemistry Challenge 2014 award winner, Solazyme, engineered microalgae to produce oils tailored to customers’ needs that can mimic or enhance properties of traditional vegetable oils.

Presidential Green Chemistry Challenge: 1999 Designing Greener Chemicals Award

Presidential Green Chemistry Challenge 1999 award winner, Dow AgroSciences, developed spinosad, a highly selective, low-toxicity, nonpersistant insecticide made by a soil microorganism. It controls many chewing insect pests.

Presidential Green Chemistry Challenge: 2000 Designing Greener Chemicals Award

Presidential Green Chemistry Challenge 2000 award winner, Dow AgroSciences, developed Sentricon to eliminate termites with bait applied only where termites are active; it replaces widespread applications of pesticide to soil.

Presidential Green Chemistry Challenge: 2010 Greener Reaction Conditions Award

Presidential Green Chemistry Challenge 2010 award winners, Merck & Co. and Codexis, developed an enzymatic synthesis for sitagliptin (Januvia) that reduces waste, improves yield and safety, and eliminates a metal catalyst.

EPA Releases Draft TSCA Risk Evaluation for Phthalate DIBP for Public Comment

EPA has released its draft risk evaluation for diisobutyl phthalate (DIBP) under the Toxic Substances Control Act (TSCA). EPA preliminarily determined that DIBP presents unreasonable risk of injury to human health and the environment.

Summary of Illinois’ Water Reuse Guideline or Regulation for Landscaping and Onsite Non-potable Water Reuse

Illinois (State Regulation) | Source water: Onsite Collected Waters | End use: Landscaping and Onsite Non-Potable Water Reuse

Summary of Vermont’s Water Reuse Guideline or Regulation for Landscaping and Onsite Non-potable Water Reuse

Vermont (State Guidance) | Source water: Onsite Collected Waters | End use: Landscaping and Onsite Non-Potable Water Reuse

Summary of Washington’s Water Reuse Guideline or Regulation for Landscaping and Onsite Non-potable Water Reuse

Washington (State Regulation) | Source water: Onsite Collected Waters | End use: Landscaping and Onsite Non-Potable Water Reuse

Summary of Virginia’s Water Reuse Guideline or Regulation for Onsite Non-potable Water Reuse

Virginia (State Regulation) | Source water: Onsite Collected Waters | End use: Onsite Non-Potable Water Reuse

Summary of North Carolina’s Water Reuse Guideline or Regulation for Landscaping and Onsite Non-potable Water Reuse

North Carolina (State Regulation) | Source water: Onsite Collected Waters | End use: Landscaping and Onsite Non-Potable Water Reuse