Science & Technology
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May 1, 2009 EPA response to the Request for Correction of Information Disseminated by EPA in Support of its Proposed National Ambient Air Quality Standard for Lead
EPA response to the Request for Correction (RFC)
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May 19, 2010 EPA response to the Request for Correction; Integrated Science Assessment - Oxides of Nitrogen
EPA response to the Request for Correction (RFC)
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May 27, 2010 EPA response to National Association of Manufacturers
EPA response to the Request for Correction (RFC)
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EPA response to the Request for Correction; Integrated Science Assessment - Oxides of Nitrogen
EPA response to the Request for Correction (RFC)
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EPA response to RFC: Center for Regulatory Effectiveness
EPA response to the Request that EPA correct its many public statements that the Amphibian Metamorphosis Assay
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EPA response to American Coatings Association RFC
EPA's response to the request for agency withdrawal of lead PSAs
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American Coatings Association RFC
Request for agency withdrawal of lead PSAs
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RFC: Endangerment and Cause or Contribute Findings for Greenhouse Gases
Section 202(a) of the Clean Air Act, Docket No. EPA-HQ-OAR-2009-0171
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RFC: The Ramazzini Institute's Methanol Study
Submitted on behalf of the Methanol Institute, pursuant to the IQA
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EPA response to RFC: Endangerment and Cause or Contribute Findings for Greenhouse Gases
Response to the RFC on behalf of the Peabody Energy Company, dated July 30, 2010
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EPA response to RFC: EPA's Action Plan for Bisphenol A Pursuant to EPA's Data Quality Guidelines
EPA has determined that the underlying information and conclusions are objective and of high quality, consistent with the EPA information quality guidelines
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March 14, 2007 RFR: Storm Water Enforcement and Compliance: Construction
Submitted on behalf of the National Association of Home Builders
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Three Keys to BMP Performance: Concentration, Volume, and Total Load
What is the concentration of the pollutant leaving the best management practice (BMP) and being discharged into the environment
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Ambient Air Methods and Measurement Development Research
EPA is working to develop state-of-the-art methods for measurement technology to help states, tribes, and air quality managers accurately monitor air pollutants.
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Chemicals and Materials We Are Researching
Chemicals and materials being researched by EPA's safer chemicals researchers.
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Cyprus Specialty Metals Company/Roquette America, Inc. Facility, Keokuk, Lee County, Iowa - Fact Sheet, July 2019
Public Comment Period for Draft RCRA Post-Closure Permit
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March 10, 2006, Transportation Conformity Rule That Addresses Requirements for Project-level Conformity Determinations in PM2.5 and PM10 Nonattainment and Maintenance Areas
This final rule, published March 10, 2006, establishes requirements for project-level conformity determinations in particulate matter (PM) 2.5 nonattainment and maintenance areas, and revises existing requirements for projects in PM10 areas.
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Design for the Environment (DfE) Certification: Information for Registrants
This Web page describes factors to consider before applying for the pesticide DfE program, plus data requirements, proposed labeling and more.
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Help with Chemical Data Reporting: How to Search for Chemicals Subject to Certain TSCA Actions
This document contains instructions on how to identify chemicals that are the subject of certain actions under the Toxic Substances Control Act (TSCA) using the Substance Registry Services (SRS).
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Risk Assessment and Modeling - Human Exposure Model (HEM)
The Human Exposure Model (HEM) is used primarily for performing risk assessments for sources emitting air toxics to ambient air.