Science & Technology
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EPA's Laboratory Enterprise
EPA’s Laboratory Enterprise (LE) is comprised of the Regional, Program, and Office of Research and Development (ORD) Laboratories.
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Methane Challenge Commitment Options
Provides an overview of the commitment options for the Methane Challenge Program
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Guidance for Developing Ecological Soil Screening Levels
Document containing guidance for developing ecological soil screening levels.
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Chemical Characterization and Informatics
Page dedicated to the Chemical Characterization and Informatics Research Area.
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Interim Final Eco-SSL Guidance: Publications Rejected as Not Acceptable for Plants and Invertebrates
Documents listing publications deemed Not Acceptable for Ecological Soil Screening Level derivation.
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Interim Final Eco-SSL Guidance: Literature Rejection Category Keywords
This document lists the definitions of codes describing the basis for rejecting a paper as Not Acceptable for Ecological Soil Screening Level derivation.
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Ecological Soil Screening Level
The Eco-SSL derivation process is used to derive a set of risk-based ecological soil screening levels (Eco-SSLs) for many of the soil contaminants that are frequently of ecological concern for plants and animals at hazardous waste sites.
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Interim Ecological Soil Screening Level Documents
Documents for each contaminant in the Ecological Soil Screening Level (Eco-SSL) derivation process.
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Interim Final Eco-SSL Guidance: Publications Deemed Acceptable for Plants and Invertebrates
Documents listing publications deemed Acceptable for Ecological Soil Screening Level derivation.
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Complaint Resolution and Control of Nonconforming Work
Field Branches Quality System and Technical Procedures
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OPPT N-Methylpyrrolidone (NMP) Draft Risk Assessment - Final Comments of Nine Member Peer Review Panel
This documents provides the final comments on the draft risk assessment for N-Methylpyrrolidone (NMP).
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Tracking Progress on U.S. EPA’s Polybrominated Diphenyl Ethers (PBDEs) Project Plan
In this Status Report, EPA presents information on progress through December 2008 for each of the activities in the Project Plan.
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EPA Letter Acknowledging Receipt of Section 21 Petition
EPA letter acknowledging receipt of TSCA section 21 petition requesting that EPA initiate a rulemaking to amend the TSCA Section 8 Chemical Data Reporting (CDR) partially exempted chemical list.
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History of the Newtown Fish Toxicology Station 1962-1992
This is a history of the Newtown Fish Toxicology Station on Church Street in Newtown, Ohio. It opened in 1962 and operated until 1994 when its functions were transferred to EPA's A.W. Breidenbach Environmental Research Center in Cincinnati.
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Tribes and Water Quality Standards
Policy and Guidance related to water quality standards for indian tribes.
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EPA Research Partner Support Story: Optimizing the Operation of a full-scale PFAS Treatment Facility
Optimizing the operation of a full-scale PFAS treatment facility with Cape Fear Public Utility Authority
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2009 State of the River Report for Toxics
Summary of a technical 2009 report about the four main contaminants in the Basin, and the risks they pose to people, fish, and wildlife.
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Columbia River Basin Toxics Reduction Action Plan
A watershed-based framework for restoring the health of the Columbia River Basin by reducing contamination from toxics.
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EPA Research Partner Support Story: Microbial Treatment Targets for Water Reuse
Determining the correct treatment targets to enable onsite water reuse in Washington State
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EPA Research Partner Support Story: Advancing the Utilization of Produced Water
Risk characterization and toxicology leadership, technical expertise, modeling and tool development to advance off-field use of oil and gas produced water