Science & Technology
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13th Conference on Air Quality Modeling
The 13th Conference on Air Quality Modeling, mandated by Section 320 of the Clean Air Act, held on the EPA RTP Campus from November 14th through 15th, 2023. This is a public hearing on regulatory air quality model and technique development.
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Basic Information about the San Juan Watershed
Links to sections of the San Juan Watershed from EPA's Surf Your Watershed database.
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Initial Long-Term Monitoring in the San Juan Watershed
Monitoring activities in the San Juan Watershed.
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Sulfur Dioxide (SO2) Air Quality Standards - Documents Prior to Review Completed in 2010
Sulfur Dioxide (SO2 Secondary) Air Quality Standards - Documents Prior to Review Completed in 2012
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e-Manifest Rulemakings and Policies
New e-manifest rulemaking page to replace existing basic information page.
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The Hazardous Waste Electronic Manifest (e-Manifest) System
This is the primary hub for those seeking information about the e-Manifest system, its advisory board, and its development. Once the system is complete this area will serve as the portal into the e-Manifest system from EPA webpages.
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Journal Articles Applying National Aquatic Resource Survey Data
The National Aquatic Resource Surveys (NARS) data are being used and applied above and beyond the regional and national assessments. This page includes a list of recent journal articles that reference NARS data.
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Drinking Water Alternate Test Procedure Program
Guidance for the modification or development of drinking water methods for compliance monitoring.
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Methods Approved to Analyze Drinking Water Samples to Ensure Compliance with Regulations
This Website provides a list of approved methods, info for regional/state labs to obtain a copy of the methods approved for compliance monitoring and method-specific contacts.
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Now Available: Latest Update to the TSCA Inventory
Now Available: Latest Update to the TSCA Inventory
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Water Laboratory Alliance Learning Center
WLA Training Center
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EPA Releases Updated 2019 TRI Data
EPA is releasing updated 2019 Toxics Release Inventory (TRI) data, continuing the agency’s commitment to providing the public with important data and information about chemicals in their communities.
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Presidential Green Chemistry Challenge: 1997 Greener Synthetic Pathways Award
Presidential Green Chemistry Challenge 1997 award winner, BHC Company, developed a highly atom-efficient method to make ibuprofen, a common painkiller, using three catalytic steps instead of six stoichiometric ones.
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Presidential Green Chemistry Challenge: 1996 Designing Greener Chemicals Award
Presidential Green Chemistry Challenge 1996 award winner, Rohm and Haas, developed Sea-Nine, a marine antifoulant to control plants and animals on ship hulls. Sea-Nine replaces persistent, toxic organotin antifoulants.
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Presidential Green Chemistry Challenge: 2004 Designing Greener Chemicals Award
Presidential Green Chemistry Challenge 2004 award winner, Engelhard Corporation, developed a wide range of environmentally friendly Rightfit azo pigments that contain calcium, strontium, or barium instead of heavy metals.
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Presidential Green Chemistry Challenge: 2013 Designing Greener Chemicals Award
Presidential Green Chemistry Challenge 2013 award winner, Cargill, Inc., developed a vegetable-oil-based transformer fluid that is much less flammable, provides superior performance, is less toxic, and has a substantially lower carbon footprint.
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Presidential Green Chemistry Challenge: 1997 Greener Reaction Conditions Award
Presidential Green Chemistry Challenge 1997 award winner, Imation, developed DryView Imaging Systems, which use a special photographic film for medical imaging that replaces hazardous developer chemicals and water with heat.
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Presidential Green Chemistry Challenge: 1997 Academic Award
Presidential Green Chemistry Challenge 1997 award winner, Professor Joseph M. DeSimone, developed surfactants that allow carbon dioxide to be a solvent for chemical manufacturing, replacing hazardous chemical solvents.
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Updated Draft Protocol for the Evaluation of Bactericidal Activity of Hard, Non-porous Copper Containing Surface Products
This document describes the updated draft testing protocol recommended by the EPA to support the registration of copper-containing surface products (such as door knobs, or other items that are not intended for food contact) that bear sanitizer claims.
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Strategic Vision for Adopting New Approach Methodologies - Replacement Strategies
EPA’s goals is to replace complex laboratory animal studies with new approach methodologies (NAMs) while maintaining the scientific defensibility of pesticide assessments