Collections and Lists
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EPA Pacific Southwest (Region 9) Sample Container and Preservation List
Sample container and preservation list for EPA Region 9 Laboratory
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Michigan Construction Permit Program Approval History
Construction permit program approval history in Michigan.
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East Palestine Train Derailment Local Area Resident Inquiry
General resident inquiry for East Palestine, Ohio.
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Persistent, Bioaccumulative, and Toxic (PBT) Chemicals under TSCA Section 6(h)
EPA's existing chemicals programs address pollution prevention, risk assessment, hazard and exposure assessment and/or characterization, and risk management for chemicals substances in commercial use.
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EPA Pacific Southwest (Region 9) Laboratory Standard Operating Procedures
Summary of Standard Operating Procedures (SOPs) specific to EPA's Pacific Southwest (Region 9) laboratory.
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What if We Drove Our Most Efficient Car?
Thought starter about driving the most efficient car in a multi-vehicle household.
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What If We Kept Our Cars Parked for Trips Less Than One Mile?
Thought starter about walking or biking for trips less than one mile.
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EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Alaska SIP
EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Alaska SIP
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Learn about the Fuel Economy Label
Detailed information that explains the Fuel Economy and Environment Label.
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Land and Waste Management Research Fact Sheets
The management of pollutants such as reactive nitrogen requires sound scientific tools. Learn about the development of a tool to identify nitrogen sources and sinks within a watershed framework.
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Silver Bow Creek - Butte Area Site
EPA information on past & ongoing cleanup work including community resources, legal and technical documents. Provides info about the science, technical info, and environmental protection laws behind cleanup decisions for the Butte-Silver Bow Superfund site
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Exposure Assessment Resources (ExpoBox)
EPA's ExpoBox is a collection of tools to help risk assessors perform exposure assessments or risk characterizations using step-by-step instructions and provides links to all the latest EPA guides, databases, and models using a state-of-the-art database.
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Exposure Data
EPA ExpoBox is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases
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Exposure Setting
EPA ExpoBox is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment databases.
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Exposure Calculations
EPA Expobox is a collection of resources for exposure assessors. Its purpose is to provide resources and comprehensive step-by-step guidance and links to relevant exposure assessment information, data and models.
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TSCA Section 21
TSCA Section 21 regulations collect data for use in conducting assessment of potential chemical risk are described.
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Contact Us About Innovation at EPA
Contact page for EPA innovation web area.
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Provisional Peer-Reviewed Toxicity Values (PPRTVs)
A PPRTV is a toxicity value used in the Superfund Program when such values aren't available from an IRIS assessment. PPRTVs are derived using the same general EPA Guidelines for risk assessments using an internal and external peer-review process.
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Greenhouse Gas (GHG) Emissions and Removals
Learn about key greenhouse gases and their sources, as well greenhouse gas emissions at the global, national, facility,and household level.
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EPA Approved Laws and Regulations in the Idaho SIP
EPA Approved Laws and Regulations in the Idaho Air Quality State Implementation Plan (SIP) (40 CFR Part 52.670(c)).