Science & Technology
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Summary of Pennsylvania's Water Reuse Guideline or Regulation for Centralized Non-potable Reuse
Pennsylvania (State Regulation) | Source water: Treated municipal wastewater | End use: Centralized non-potable water reuse
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Clean School Bus Program Oversight
This page contains information and resources related the CSB Program’s ongoing audits and evaluations, published reports and hearings, and responses to OIG reports. It also includes links to EPA OIG resources for reporting suspected fraud, waste and abuse.
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SmartWay Designated Tractors
This page provides information about SmartWay designated tractors and trailers and how to become one.
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AQS Guidelines for Reporting 5-minute SO2 Data January 3, 2011
AQS Guidelines for Reporting 5-minute SO2 Data January 3, 2011
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AQS User Support
AQS User Support
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Fact Sheet: Stationary Combustion Turbines: Residual Risk and Technology Review
The U.S. Environmental Protection Agency (EPA) is proposing to amend the 2004 National Emission Standards for Hazardous Air Pollutants (NESHAP) for Stationary Combustion Turbines.
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National Estuary Program 2022 Accomplishments
The National Estuary Program 2022 Accomplishments Report explores accomplishments and impacts made by the 28 National Estuary Programs in 2022. Additionally, it presents study area descriptions, program summaries, and quantitative highlights of each NEP.
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About the Delaware Bay Wetland Projections
This site has datasets,and a link to the epa report, Sea-Level Affecting Marshes Model (SLAMM) to the Lower Delaware Bay, with a Focus on Salt Marsh Habitat.
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Congressional Testimony: Hearing on Examining Federal Efforts to Address PFAS Contamination
Statement of Sean W. O’Donnell, Inspector General of the Environmental Protection Agency and Acting Inspector General of the Department of Defense and Michael J. Roark, Deputy Inspector General for Evaluations Department of Defense Office of Inspector Gene
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Congressional Testimony: EPA Oversight - Unimplemented Inspector General and GAO Recommendations
September 6, 2017. Statement of Alan S. Larsen Counsel to the Inspector General U.S. Environmental Protection Agency before the Subcommittee on Oversight and Investigations Committee on Energy and Commerce U.S. House of Representatives.
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Step 7: Apply Findings
This page describes step 7 of recovery potential screening methodology
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Response to Mr Brendle's March 22, 2010 Request on Behalf of the NAM
Resposne to Mr Brendle's March 22, 2010 Request on Behalf of the NAM
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New York Impaired Waters List Documents
The documents detail the New York 2014 impaired waters list.
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Facility Linkage Application (FLA) 101
Training/user guides and guidance material for FRS data stewards who use the Facility Linkage Application
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Using Filters to Reduce Lead in Drinking Water
EPA and its partners have developed educational resources to help community members properly use and maintain water filters, including a toolkit and handouts.
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Exposure Assessment Tools by Tiers and Types - Aggregate and Cumulative
Humans and ecological receptors are exposed to multiple stressors via multiple pathways. This site discusses cumulative and aggregate exposures.
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Inorganic Arsenic Meetings & Webinars
A collection of public events designed to engage the public and stakeholders in the development of this IRIS assessment.
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LakeCat Updates
The LakeCat Dataset is an extensive collection of landscape metrics for about 378 thousand lakes and associated catchments within the conterminous U.S.
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EPA Announces Experts Selected for Letter Peer Review of Draft Risk Evaluation for TCEP
EPA published the list of scientific experts selected to review the 2023 Draft Risk Evaluation TCEP. The letter peer review is expected to begin on March 13, 2024.
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Developing Probabilistic Approaches for Evaluating Ecological Risk
Information from meetings and workshops around the world related to developing probabilistic approaches for evaluating ecological risk related to pesticides.