Data and Tools
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Torch Lake AOC Boundary Map
Maps of Torch Lake Area of Concern in Michigan
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Tern Island Preliminary Assessment and Technical Support Document
Tern Island Preliminary Assessment and Technical Support Document and summary.
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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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Historical Cost Equations Documentation for CoST
CoST-related historical cost equations documentation for models and tools maintained by OAQPS
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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.
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Regional Screening Levels (RSLs) - Frequent Questions
Regional Screening Level RSL frequently asked question FAQ page provides risk assessors answers to common questions about the preliminary remediation goal PRG risk based concentration RBC and risk calculator for the assessment of human Health.