Science & Technology
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Engines and Vehicles Compliance Information System (EV-CIS), Documentation for Certification and Fuel Economy Modules in Light-Duty Passenger Vehicles and Trucks
Files for the passenger vehicle module in EV-CIS.
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Checklist for Quality Concerns About Using Data from Other Sources
A step-by-step guide to ensure that secondary data is used in an appropriate manner.
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EPA Request for Correction 12004 (Exhibit E1)
EPA Request for Correction 12004 (Exhibit E1)
California Department of Health: Annual Compliance Report 2009
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Water Quality Standards Regulations: Washington, DC
Information related to Water Quality Standards for Washington, DC.
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Design and Implementation of New Tools for Quality Assurance in Modeling
This guidance is designed to improve quality assurance project plans (QAPPs) for model applications, especially in the Total Maximum Daily Load (TMDL) program.
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Peer Review of 2024 Draft Risk Evaluation for 1,3-Butadiene
1,3-butadiene is undergoing risk evaluation under the Toxic Substances Control Act. EPA is planning a virtual public meeting for the Science Advisory Committee on Chemicals (SACC) to review the draft risk evaluation for 1,3-butadiene in early 2025.
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EPA-Approved Mojave Desert Air District Regulations in the California SIP
Documents and tables containing EPA approved and compiled rules and regulations for the Mojave Desert Air Quality Management District (AQMD) portion of the California State Implementation Plan (SIP).
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Agenda and Presentations for the August 16 and 17, 2017 Chemical Data Reporting (CDR) Inorganic Byproducts Negotiated Rulemaking Committee Meeting
The agenda and presentations for the Chemical Data Reporting (CDR) Inorganic Byproducts Negotiated Rulemaking Committee.
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Water Quality Impacts of Nutrients Research
Information about EPA's water quality and nutrients research including hypoxia and coastal acidification
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Indoor airPLUS Mobile App construction specifications XML file
XML file linked from Indoor airPLUS Builder App containing current construction specifications
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Cyanide Clarification of Free and Total Cyanide Analysis for Safe Drinking Water Act Compliance
Code of Federal Regulations entries associated with monitoring for cyanide under the Safe Drinking Water Act (SDWA).
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Outreach Materials from the National Aquatic Resource Surveys
Communication Materials associated with the National Aquatic Resource Surveys
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National Lakes Assessment
The National Lakes Assessment is a collaborative, statistical survey of the nation's lakes. It is one of four national surveys that EPA and its partners conduct to assess the condition and health of the nation's water resources.
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GenRA: Release Notes
Release notes for Generalized Read Across webapp.
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GenRA Manual: Other Fingerprint Types
Learn about PFAS Fingerprints in GenRA.
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GenRA Manual: User-Defined Neighborhoods
Learn about PFAS Fingerprints in GenRA.
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Reports and Data - National Lakes Assessment 2017
Products from the national lakes assessment 2017 including report, technical report, factsheet, data files, and data dashboard
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One Health
A holistic approach to advancing human well-being that recognizes that the health of people is closely connected to the health of animals and our shared environment: when we protect one, we protect all.
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National Lakes Assessment 2007 Results
The National Lakes Assessment samples over 1,000 lakes, ponds and reservoirs across the country. Key findings from this assessment in 2007 include the biological condition and most widespread stressors of these waterbodies.
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Reports and Data - National Wetland Condition Assessment 2016
Products from the national lakes assessment 2017 including report, technical report, factsheet, data files, and data dashboard