Science & Technology
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WhAEM2000 BBM Files - Condon, Oregon
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Condon Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Christmas Valley, Oregon
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Christmas Valley Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Canyonville, Oregon
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Canyonville Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Burns, Oregon
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Burns Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Brothers, Oregon
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Brothers Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Brogan, Oregon
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Brogan Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Boise, Oregon
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Boise Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Bluejoint, Oregon
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Bluejoint Lake Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Bend, Oregon
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Bend Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.
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Ozone Standard Reference Photometer Program (SRP)
Documents pertaining to the ozone Standard Reference Photometer Program
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Recent Updates/Changes to EnviroAtlas
List of updates recently made to the EnviroAtlas Interactive Map.
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Data Sets
GHG Reporting Program Data Sets
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EnviroAtlas & Brownfields
This interactive resource makes it easy to search all 300+ Data Layers and access their fact sheets.
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EnviroAtlas Interactive Map User's Guide
Our User's Guide is detailed, yet easy-to-follow, and our development team updates it frequently.
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Urban Waters - The Mystic River Watershed
Information on the efforts of the US EPA, the Commonwealth of Massachusetts, the municipalities within the Mystic River Watershed and nongovernmental organizations to improve the water quality of the Mystic River.
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Regional Guidance on Handling Chemical Concentration Data Near the Detection Limit in Risk Assessments
This memorandum describes EPA Region 3's Guidance on Handling Chemical Concentration Data Near the Detection Limit in Risk Assessments.
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Risk Characterization Handbook
This Handbook has two parts. The first is the Risk Characterization guidance itself. The second part comprises the Appendices which contain the Risk Characterization Policy, the risk characterization case studies and references.
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Freshwater Sediment Screening Benchmarks
Supporting document for Region 3 on the risk assessment website.
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Selecting Exposure Routes and Contaminants of Concern by Risk-Based Screening
This memorandum describes EPA Region 3's recommended approach to dermal risk assessment at Superfund sites.
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Updated Dermal Exposure Assessment Guidance
This memorandum describes EPA Region 3's recommended approach to dermal risk assessment at Superfund sites.