Data and Tools
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CO$T-AIR Control Cost Spreadsheets
Document explains the control cost spreadsheets for calculating control technique capital and annual costs
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Field Sampling Procedures for EPA's Pacific Southwest (Region 9)
Contains resources for ERT Standard Operating Procedures, surface water sampling and ground water sampling.
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Quality Management Plan for EPA's Pacific Southwest (Region 9)
Defines the planning and oversight activities that are in place relating to data collection activities conducted in EPA Pacific Southwest, Region 9.
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Request for Correction: Herculaneum Lead Smelter Site, Herculaneum, MO
Information received for request for correction submitted on behalf of Herculaneum Lead Smelter Site, Herculaneum, Missouri
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Operating Permit Timeline for Arkansas
Part 70 Title V Operating Permit Timeline for Arkansas
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Contaminant Occurrence and Related Data for Six-Year Review of Drinking Water Standards
Learn about data EPA collects to conduct the Six-Year Review of National Primary Drinking Water Regulations. The data allows EPA to characterize frequency of occurrence, the levels found, and the geographic distribution of contaminants in drinking water.
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Preliminary Release of Microbial and Disinfection Byproduct Data Files (2012-2019) from EPA’s Fourth Six-Year Review Information Collection Request
This page contains the Six-Year Review 4 Microbial and Disinfection Byproduct data files.
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2026 Ozone Exceedances
View 2026 Ozone Exceedances for New England.
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Operating Permit Timeline for Oklahoma
Part 70 Title V Operating Permit Timeline for Oklahoma
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Better Decisions through Consultation and Collaboration
This manual discusses the benefits of public involvement to agency decision makers, including expanding shared baseline knowledge, generating support for the decision, and developing ongoing relationships that will help in implementing decisions.
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Ocean Era, Inc. – Velella Epsilon Aquatic Animal Production Facility National Pollutant Discharge Elimination System (NPDES) Permit
On September 30, 2020, the EPA made a final decision to issue a NPDES permit to Ocean Era, Inc. for a marine aquaculture facility.
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UWSG Mapping Application Instructions
Instructions to locate your project area and create the required project area map
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Superfund Site Cleanup Work through Enforcement Agreements and Orders
Map depicting current and ongoing cleanup work at Superfund sites across the country based on enforcement instruments with potentially responsible parties
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Compliance Assistance Tools And Resources For The Ammonia Refrigeration Sector
This document contains industry-specific information for the implementation of the Chemical Accident Risk Reduction (CARR) National Enforcement Initiative (NEI).
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Research on the Environmental Impacts of Contrails (Text only)
A text-only version of Research on the Environmental Impacts of Contrails image.
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How Long Do Contrails Last? (Text only)
A text version of How Long Do Contrails Last image?
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Proposed Sixth Unregulated Contaminant Monitoring Rule
This page contains a list of proposed UCMR 6 Contaminants and Analytical Methods.
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CEDRI - List of Rules
Compliance and Emissions Data Reporting Interface
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Policy and Program Impact Estimator: A Materials Recovery Greenhouse Gas Calculator for Communities
A spreadsheet calculator to help local governments estimate lifecycle greenhouse gas reductions from implementing new or expanded solid waste policies and programs.