Science & Technology
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Provisional Peer-Reviewed Toxicity Values (PPRTVs) Assessments
This page links to all the PPRTV chemical landing pages and the tox reviews.
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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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Mobile Sources Session (2023 EIC)
Presentations/papers given at the Mobile Sources session of the 2023 IEIC
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2023 Air Emissions Data
Links to all things 2020 NEI, on how to get data
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Planning for and Managing Sargassum Inundation Events (SIEs)
Planning and Management Methods for Sargassum Inundation Events (SIEs)
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World Health Organization (WHO) 1999 Guideline Values for Cyanobacteria in Freshwater
Information related to the World Health Organization (WHO) 1999 Guideline Values for Cyanobacteria for recreational waters.
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TENORM: Wastewater Treatment Residuals
Water and wastes which have been discharged into municipal sewers are treated at wastewater treatment plants. These may contain trace amounts of both man-made and naturally occurring radionuclides which can accumulate in the treatment plant and residuals.
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Background on HFC Reclamation and Destruction
Hydrofluorocarbons (HFCs) are potent greenhouse gases (GHGs) developed and manufactured as replacements for ozone-depleting substances (ODS).
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Residential Wood Combustion Session (2023 EIC)
Presentations/papers given at the Residential Wood Combustion session of the 2023 IEIC
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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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Training (2023 EIC)
Welcome Presentations for the2023 International Emissions Inventory Conference
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RFC 23001 & RFR 23001A - TSCA Risk Evaluation for N-Methylpyrrolidone (NMP)
B&C Consortia Management, L.L.C. submits on behalf of the N-Methylpyrrolidone Producers Group, Inc. (NMP Producers Group) this RFC related to the final “Risk Evaluation for n-Methylpyrrolidone (2-Pyrrolidinone, 1-Methyl-) issued in December 2020.
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EPA Response to RFC 21003 Asbestos Test Method
EPA's final response to RFC 21003 Asbestos Test Method
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Evaluating Contaminant Occurrence and Exposure Data for Six-Year Review of Drinking Water Standards
Learn about EPA's goals in considering contaminant occurrence and exposure analysis for public water systems
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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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California Clean Air Technology Initiative
The California Clean Air Technology Initiative is a partnership to develop clean air technologies for the San Joaquin Valley and South Coast Air Basins through collaborative projects in technology research, development, demonstration, and deployment.
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EPA Pacific Southwest (Region 9) Laboratory Field Services Summary
EPA Region 9 summary of laboratory field services capabilities
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Peer Review of the Draft Risk Evaluation for Octamethylcyclotetrasiloxane (D4)
Information about the EPA's Peer Review of the risk evaluation for octamethylcyclotetrasiloxane (D4) under the Toxic Substances Control Act.
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Water Quality Standards Regulations: Yurok Tribe
Information about water quality standards for the Yurok Tribe.
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Fireman’s Brand Spillclean® Product Bulletin
Technical product bulletin: this surface washing agent for oil spill cleanups comes in either "concentrate" or "original formula." Being a surfactant-type product, it emulsifies oil so it can then be lifted and separated from the hard surface.