Science & Technology
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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.
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2020 TSCA Chemical Data Reporting Fact Sheet: Chemical Substances that are the Subject of Certain TSCA Actions
This fact sheet provides guidance for people who may be subject to the Chemical Data Reporting (CDR) rule on how their requirements for reporting for 2016 may be affected when chemical substances are the subject of certain TSCA actions.
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TSCA Chemical Data Reporting Fact Sheet: Kraft Pulp and Paper Process
This fact sheet provides guidance on Chemical Data Reporting (CDR) rule requirements related to Kraft pulp and paper mill chemical recovery processes.
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AMEM-ADL Polymer Migration Estimation Model User's Guide
The user's guide of the Arthur D. Little Polymer Migration Estimation Model (AMEM) provides the information on how the model estimates the fraction of a chemical additive that diffuses through polymeric matrices.
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SRD-Source Ranking Database Questions and Answers
The Source Ranking Database (SRD) contains screening level estimates of exposure and hazard to allow for prioritization and ranking of hundreds of chemicals used in consumer products.
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SRD-Source Ranking Database User's Guide and Documentation, Vol. 1 and Vol. 2
Source Ranking Database Documentation
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2020 Regional, State, and Local Modelers' Workshop
The 2020 Regional, State, and Local (RSL) Modelers' Workshop is being held at the Minneapolis Central Library in Minneapolis, MN from May 5-7, 2020. This page provides information on the agenda and registration for the RSL Modelers' Workshop.
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AERMOD Modeling System Development
AERMOD Model System development plans and ongoing research, which is summarized in a series of White Papers.
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AQS PEAT
AQS PEAT