Science & Technology
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WhAEM2000 BBM Files - Riggins, Idaho
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Riggins Quadrangle, Idaho. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Riddle, Idaho
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Riddle Quadrangle, Idaho. Files serve as geographic basis for groundwater modeling.
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Water Quality Standards Regulations: Arkansas
Water Quality Standards for Arkansas that are EPA-approved or in effect for Clean Water Act purposes.
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RE: Request for Correction (RFC #11001)- Draft IRIS assessment for Halogenated Platinum Salts
Letter to Mr Randlshofer notifying that a response to RFC 11001 is taking longer than expected
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State Perchlorate Advisory Levels As of 4/20/05
State Perchlorate Advisory Levels As of 4/20/05 for 8 states
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Notification: Audit of the EPA’s Greenhouse Gas Reduction Fund – Solar for All Program
Notification: Audit of the EPA’s Greenhouse Gas Reduction Fund – Solar for All Program
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Update Your Member Lab Compendium Data
The Compendium of Environmental Testing Laboratories is a limited-access online database of environmental laboratories nationwide that is available to EPA; Federal, State, and local emergency responders; laboratory personnel; and water utilities.
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2024 Appendix W Final Rule
On November 20, 2024, the EPA Administrator signed a final rule that revises the Guideline on Air Quality Models. This webpage provides the background material related to this final rule for stakeholder reference.
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Podcast: The EPA Needs to Determine Whether Seresto Pet Collars Pose an Unreasonable Risk to Pet Health
Podcast: The EPA Needs to Determine Whether Seresto Pet Collars Pose an Unreasonable Risk to Pet Health
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EPA Requests Nominations for Panel Members and Ad Hoc Reviewers for the Science Advisory Committee on Chemicals
EPA Requests Nominations for Ad Hoc Peer Reviewers and Membership Appointment to the SACC
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A Guide to Siting and Installing Air Sensors
The availability of small, lower-cost, and more portable air sensors is an exciting development for individuals and organizations interested in measuring local air quality. But finding a place to site and install that sensor is important.
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PM2.5 Tiering Tool - for Exceptional Events Analysis
This tool makes a time series plot for a specific location and time period. This tool displays daily air quality summary statistics for the criteria pollutants by monitor.
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Metals CRADA Phase 1 Report
This page describes aquatic life criteria and links to methodology documents.
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Bioassessment and Biocriteria Program Status for Alaska: Streams and Wadeable Rivers
Biocriteria Program Status of Alaska
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Contaminants of Emerging Concern including Pharmaceuticals and Personal Care Products
Both the Office of Pesticide Programs (OPP) and the Office of Water (OW) assess the effects of pesticides on aquatic ecosystems using approaches that afford a high degree of protection for aquatic life and that were developed with high quality data.
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Consumable Fish and Shellfish
This page explains the connection of the ROE indicators to the chapter themes. This page includes the ROE questions, lists of the related indicators, and additional background information.
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News Release: The EPA Office of Inspector General Identifies Gaps in Oversight of the Wood Heater Program under the Clean Air Act
News Release: The EPA Office of Inspector General Identifies Gaps in Oversight of the Wood Heater Program under the Clean Air Act
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Homeland Security Strategic Research Action Plan 2019-2022
This is a four-year research strategy designed to meet the following objectives:
Improve water utilities’ abilities to prepare for and respond to incidents that threaten public health; and
Advance EPA’s capabilities to respond to wide-area contamination -
Chemical Safety for Sustainability Strategic Research Action Plan 2019-2022
This is a four-year research plan for leading the development of innovative science to support safe and sustainable selection, design, and use of chemicals and materials required to promote human and environmental health and sustainability.
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Safe and Sustainable Water Resources Strategic Research Action Plan 2019-2022
EPA's Safe and Sustainable Water Resources (SSWR) research program is using an integrated systems approach to develop scientific and technological solutions to protect human health, and to protect and restore watersheds and aquatic ecosystems.