Science & Technology
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WhAEM2000 BBM Files - Clifton, New Mexico
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Clifton Quadrangle, New Mexico. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Clayton, New Mexico
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Clayton Quadrangle, New Mexico. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Chiricahua Peak, New Mexico
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Chiricahua Peak Quadrangle, New Mexico. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Chama, New Mexico
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Chama Quadrangle, New Mexico. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Chaco Mesa, New Mexico
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Chaco Mesa Quadrangle, New Mexico. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Chaco Canyon, New Mexico
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Chaco Canyon Quadrangle, New Mexico. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Carrizozo, New Mexico
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Carrizozo Quadrangle, New Mexico. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Carlsbad, New Mexico
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Carlsbad Quadrangle, New Mexico. Files serve as geographic basis for groundwater modeling.
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Science Advisory Committee on Chemicals Meetings
A page presenting recent SACC meetings and associated meeting materials
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Risk Evaluation for 4,4'-(1-Methylethylidene)bis[2, 6-dibromophenol] (TBBPA)
EPA designated 4,4'-(1-methylethylidene)bis[2, 6-dibromophenol] (TBBPA) as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.
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Development and Validation of Same-day Monitoring Methods for Recreational Water
When water is polluted, swimmers can become ill from exposure to waterborne pathogens. EPA scientists have developed a DNA extraction method for determining the amount of pathogens present in water.
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Region 4 FOIA Repository
Frequently requested FOIA related documentation from region 4.
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Resources for Awardees
SBIR How to Apply
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Research Grants
Supporting high quality research by the nation's leading scientists and engineers to improve EPA's scientific basis for decisions on national environmental issues.
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Field Equipment Cleaning and Decontamination at the FEC
Field Branches Quality System and Technical Procedures
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Risk-Screening Environmental Indicators (RSEI) Model
The Risk-Screening Environmental Indicators (RSEI) model is a computer-based screening tool that analyzes factors that may result in chronic human health risks and calculates various scores.
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Manufacturer-Run In-Use Testing Program Data for Light-Duty Vehicles, Light-Duty Trucks, and Heavy-Duty Vehicles Class 2b and 3
This page provides data from the manufacturer-run in-use emissions verification testing program (IUVP) and in-use confirmatory testing program (IUCP).
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PFAS Analytical Methods Development and Sampling Research
Provides links and resources for PFAS analytical methods and sampling.
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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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National Service Center for Environmental Publications
NSCEP is EPA's repository of digital and print EPA publications. You can search and retrieve, download, print and/or order EPA technical, scientific, or educational materials - free of charge.