Data and Tools
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National Recommended Water Quality Criteria - Organoleptic Effects
These criteria are based on organoleptic (taste and odor) effects. Because of variations in chemical nomenclature systems, this listing of pollutants does not duplicate the listing in Appendix A of 40 CFR Part 423.
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Risk-Screening Environmental Indicators (RSEI) Data Dictionary Version 2.3.6
document describing all of the data tables and fields used in the RSEI model and results datasets
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Risk-Screening Environmental Indicators (RSEI) Technical Appendices Version 2.3.6
Technical appendices for the Risk-Screening Environmental Indicators screening tool version 2.3.6
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Risk-Screening Environmental Indicators (RSEI) Methodology Version 2.3.6
the document for Risk-Screening Environmental Indicators (RSEI) Methodology Version 2.3.6, January 2018
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Risk-Screening Environmental Indicators (RSEI) Data Dictionary V2.3.5
document describing all of the data tables and fields used in the RSEI model and results datasets
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Documentation for Risk-Screening Environmental Indicators (RSEI) Geographic Microdata (RSEI-GM) V2.3.5
information on the RSEI Geographic Microdata, which are a unique dataset that provides detailed air model results from the RSEI model at a level of 810 meter square grid cells
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Johns-Manville Corp. Site Map - Waukegan, Illinois
Map of the Johns Manville site
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AQS User Registration
AQS User Registration
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CGE Modeling for Regulatory Analysis
The purpose of this page is to describe EPA's capacity building of an economic regulatory analysis and provide links to the model, documentation, and other related resources.
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SAGE Model Documentation, version 2.1.1
This document provides technical details on the structure of the SAGE model.
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Fee Information
Fee information.
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FOIA Reports
FOIA Reports, DOJ annual reports, Chief FOIA Officer Reports
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Submit a FOIA Request, Fee Waiver Info., Fees and Rates
Submit a FOIA Request, Fee Waiver Info., Fees and Rates
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EPA-Funded Technology Seen as Win-Win on Virginia Farm
A drag hose is an alternative manure application system that has advantages for farms with a large amount of manure to spread.
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National Recommended Water Quality Criteria Tables
This water quality criteria table has all current national recommended water quality criteria and links to relevant documents
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2017 Draft Aquatic Life Criteria for Aluminum in Freshwater
EPA has released draft updated aluminum aquatic life ambient water quality criteria for freshwater under Section 304(a)(1) of the Clean Water Act. EPA will accept public comments on the draft criteria for 60 days upon publication in the Federal Register.
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Tribal Water Quality Data Roadmap Fact Sheet
This fact sheet describes the Tribal Water Quality Data Roadmap project, its goals, resources used, outcomes, and key contacts.
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2022 National Lakes Assessment - Fish Tissue Study
As part of the 2022 National Lakes Assessment (NLA), the EPA conducted a study of contamination in fish from lakes to determine whether eating lake fish poses risks to human health.
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Geologic Sequestration Data Tool Fact Sheet
This page provides a link to the GSDT. It is intended for permit applicants/owners or operators and permitting authorities.
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Phasedown of Hydrofluorocarbons (HFCs): Issuing Allowance Allocations for 2022
The American Innovation and Manufacturing (AIM) Act was enacted by Congress on December 27, 2020. The AIM Act directs the U.S. Environmental Protection Agency (EPA) to address the environmental impact of HFCs.