Data and Tools
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Summary Table EPA's Response to State and Tribe Recommendations - 2015 Ozone Designations
Table sumarizind 120-day letters
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AQS Related Resources
AQS Related Links
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AQS Memos - Technical Note - Lead Data Reporting to AQS
AQS Memos - Technical Note - Lead data reporting to AQS
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AQS Change of Standard Units
AQS Change of Standard units
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AQS Memos - Technical Note on Reporting PM2.5 Continuous Monitoring and Speciation Data to the Air Quality System (AQS)
AQS Memos - Technical Note on Reporting PM2.5 Continuous Monitoring and Speciation Data to the Air Quality System (AQS)
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AQS SO2 Design values
AQS SO2 Design values
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Registration for Download and Use of SHEDS Software
Registration page for downloading and using SHEDS Multimedia V.4
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Contact Us About Toxicity Estimation Software Tool (TEST)
Contact information to get technical assistance with TEST.
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Historical Cost Equations Documentation for CoST
CoST-related historical cost equations documentation for models and tools maintained by OAQPS
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Cleanups in My Community
Cleanups In My Community is a web app of hazardous waste cleanups for which EPA collects information, on maps and in lists, and to access additional information about those cleanups. This page describes and links to the application.
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About EPA's Research Grants
Helpful information about EPA's extramural grant program and resources.
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Basic Information and Answers to Frequent Questions
Healthy Watersheds Protection Home Page
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RSEI Data Dictionary: Standard Industrial Classification (SIC) Data
SIC codes are no longer collected by TRI, but RSEI maintains them because some parameters (chromium speciation and stack height) are determined by SIC code.
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How does COBRA work?
How does COBRA work?
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How Does COBRA Work?
Learn about how the Co-Benefits Risk Assessment (COBRA) model works to quantify changes in air quality, calculate change in health outcomes, and calculate monetary values.
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Publications that cite COBRA
This document contains a list of publications that have used EPA’s COBRA tool to estimate the health impacts of changes in air pollution emissions.
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What is COBRA?
EPA's CO–Benefits Risk Assessment (COBRA) screening model is a free tool that helps state and local governments.
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Chief FOIA Officer Reports
The Chief FOIA Officer must submit an annual narrative report to the Attorney General. The report contains detailed descriptions of EPA's FOIA administration and steps taken to implement the Attorney General's FOIA Guidelines to improve FOIA compliance.
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VISL What's New
EPA has prepared several documents and tools to support development of its Final Subsurface Vapor Intrusion Guidance.
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Regional Screening Levels (RSLs) - Generic Tables
Regional Screening Level RSL generic table page provides the default RSLs for use by risk assessors in site screening for chemical contaminants for the assessment of human Health.