Science & Technology
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National Rivers and Streams Assessment 2008-2009 Technical Report
PDF of the NRSA 2008-2009 technical report
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National Rivers and Streams Assessment 2013-2014 Technical Support Document
PDF of the NRSA 2013-2014 technical support document
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Process for Developing Dioxin Cleanup Decisions at Superfund Sites
Access guidance about cleanup work at Superfund sites with dioxin contamination.
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OSWER Climate Change Adaptation Implementation Plan
Read the OSWER climate change adaptation implementation plan, summarizing implications of climate change on OLEM activities and programs, including those at Superfund, brownfield, RCRA corrective action, and leaking underground storage tank sites.
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Off-Site Rule Fact Sheet
Learn about the Off-Site Rule, what actions are affected, what wastes are affected, who is affected, and who to contact for more information.
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Reaeration Measurement by Diffusion Dome
Field Branches Quality System and Technical Procedures
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Field Sampling and Measurement Procedures and Procedure Validation
Field Branches Quality System and Technical Procedures
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Project Planning
Field Branches Quality System and Technical Procedures
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Interim Guidance on the Destruction and Disposal of PFAS and Materials Containing PFAS
Learn how to read and comment on EPA's interim guidance on the destruction and disposal of PFAS and PFAS-containing materials from non-consumer products, such as aqueous film-forming foam, which was available for public comment until February 22, 2021.
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Presidential Green Chemistry Challenge: 1996 Small Business Award
Presidential Green Chemistry Challenge 1996 award winner, Donlar, developed thermal polyaspartate, a nontoxic, biodegradable, biobased polymer made in a highly efficient process for use in agriculture, water treatment, etc.
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STOrage and RETrieval Web Services Consumption User Guide Version 2.1.8
This document provides a description of the STORET Web Services and an introduction to consuming
STORET Web Services from other applications. -
HAWQS (Hydrologic and Water Quality System)
A water quantity and quality modeling system to evaluate the impacts of management alternatives, pollution control scenarios, and climate change scenarios on the quantity and quality of water at a national scale.
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Cornell Mixing Zone Expert System
This page provides an overview Cornell Mixing Zone Expert System water quality modeling and decision support system designed for environmental impact assessment of mixing zones resulting from wastewater discharge from point sources
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Downloading Storet Data
Downloading STORET Data Instructions
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EPA Nitrogen and Phosphorus Pollution Data Access Tool
Describes NPDAT and what data is available on it.
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Table of Available Cycles in the RAD
Table of Available Cycles in the RAD
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SUMMARIES OF WATER POLLUTION REPORTING CATEGORIES
SUMMARIES
OF WATER POLLUTION REPORTING CATEGORIES -
NHDPlusV1 California Data
NHDPlus Version 1 data for the California vector processing unit.
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Introduction to BASINS
Introduction to BASINS
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System Change Log for STOrage and RETrieval and Water Quality eXchange
This change log details the status of bugs and issues in the STORET/WQX System. Matters of contention that are resolved are listed as completed, while ongoing issues are listed as open.