U.S. EPA Administrator Lee Zeldin announced that in the coming days the Trump EPA will be proposing the next part of the agency’s comprehensive reconsideration of the Biden Administration's 2024 oil ...
Administrator Lee Zeldin announced the proposed approval of a second innovative air quality rule by Maricopa County to support Arizona’s continued economic expansion while maintaining clean air for ...
The following document describes the method used for determination of sub-microgram per liter (µg/L) concentrations of a large number of elements in water samples and in waste extracts or digests.
This document outlines the procedure for extracting nonvolatile and semivolatile organic compounds from solids such as soils, sludges, and wastes. Method 3540C: Soxhlet Extraction, part of Test ...
This document outlines the procedure for isolating water-insoluble and slightly soluble organic compounds from aqueous samples in preparation for a variety of chromatographic procedures. Method 3510C: ...
Today, U.S. Environmental Protection Agency notified all 50 states, the District of Columbia, five territories, and 67 Tribes of the agency’s intended approach for area designations under the ...
Today, U.S. Environmental Protection Agency (EPA) announced a $272 million Water Infrastructure Finance and Innovation Act (WIFIA) loan to the city of Columbia, Tennessee, known as “Muletown,” with a ...
EPA Deputy Administrator David Fotouhi was joined by U.S. Representative Jen Kiggans (R-VA-02) and others to announce more than $90 million for the Chesapeake Bay watershed.
On Friday, September 25, 2026, nearly two years following the devastating effects of Hurricane Helene, EPA Deputy ...
The EIS Gateway, the first component of the Emissions Inventory System (EIS), was developed to provide registered EPA, State, local and Tribal users with access to emissions inventory data. Registered ...
If you are seeing an environmental event that may lead to an immediate threat to human health or the environment, call 911 and then report it to the National Response Center at 1-800-424-8802.
Learn more about sources of hazardous air pollutants and their impacts.
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