Science & Technology

Review of State and Industry Spill Data: Characterization of Hydraulic Fracturing-Related Spills

EPA analyzed spill data from states and industry to better understand what is known about spills associated with hydraulic fracturing

Report: Retrospective Case Study in Killdeer, North Dakota (PDF)

PDF of Killdeer, North Dakota retrospective case study report

Report: Retrospective Case Study in the Raton Basin, Colorado (PDF)

PDF of retrospective case study in the raton basin, Colorado, EPA report

Review of State and Industry Spill Data: Characterization of Hydraulic Fracturing-Related Spills (PDF)

The EPA analyzed spill data from states and industry to better understand what is known about spills associated with hydraulic fracturing.

Report: Retrospective Case Study in Northeastern Pennsylvania (PDF)

PDF of EPA report Retrospective Case Study in Northeastern Pennsylvania

Sources Contributing Inorganic Species to Drinking Water Intakes During Low Flow Conditions on the Allegheny River in Western Pennsylvania

EPA scientists evaluated sources of bromide and other inorganic pollutants impacting drinking water intakes on the Allegheny River in Western Pennsylvania.

Report: Retrospective Case Study in Wise County, Texas (PDF)

PDF of EPA report of Retrospective Case Study in Wise County Texas

Report: Retrospective Case Study in Southwestern Pennsylvania (PDF)

PDF of EPA report Retrospective Case Study in Southwestern Pennsylvania

Risk Evaluation for Ethylene Dibromide

EPA designated ethylene dibromide as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.

Handbook on Coral Reef Impacts: Avoidance, Minimization, Compensatory Mitigation, and Restoration

This Handbook provides a general summary of current avoidance, minimization, compensatory mitigation, and restoration strategies that may help address physical damage resulting from direct adverse impacts to coral reefs.

Diving Publications

Published articles and presentations on underwater science and polluted water diving at EPA.

URISA Address Standard

The Urban and Regional Information Systems Association (URISA) standard for addresses. The document covers thoroughfare, landmark, and postal addresses within the United States, including its outlying territories and possessions.

Watershed Health Assessment Tools Investigating Fisheries

WHATIF is software that integrates a number of calculators, tools, and models for assessing the health of watersheds and streams with an emphasis on fish communities.

May 1, 2009 EPA response to the Request for Correction of Information Disseminated by EPA in Support of its Proposed National Ambient Air Quality Standard for Lead

EPA response to the Request for Correction (RFC)