Science & Technology

ORISE Method AP7: Determination of Radium-226 in Water and Soil Samples Using Alpha Spectroscopy

This method uses alpha spectrometry to determine radium-226 in water and soil samples, with gamma spectroscopy used to analyze the barium tracer.

ORISE Method AP11: Sequential Determination of the Actinides in Environmental Samples Using Total Sample Dissolution and Extraction Chromatography

This method uses alpha spectrometry to determine americium, californium, curium, plutonium or uranium in water, liquid, soil, sediment, surface wipes and air filters.

ORISE Method Procedure #9: Determination of I-125 in Environmental Samples

This method uses gamma spectrometry to determine iodine in water, liquids, soil, sediment, surface wipes, air filters and vegetation.

Training and Education for Applicators on Spray Drift Management

Describes how pesticide applicators can obtain training and education on spray drift management and how EPA supports development and implementation of such programs.

Y-12 (DOE) Preparation of Samples for Total Activity Screening

This method uses liquid scintillation to determine total activity in drinking water, liquids, soil, sediment, wipes, air filters and vegetation.

Marine Macroinvertebrate Field Sampling

Field Branches Quality System and Technical Procedures

WhAEM2000 BBM Files - Butte South, Montana

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Butte South Quadrangle, Montana. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Butte North, Montana

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Butte North Quadrangle, Montana. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Burgess, Montana

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Burgess Junction Quadrangle, Montana. Files serve as geographic basis for groundwater modeling.

EPA Finds Perchloroethylene Poses an Unreasonable Risk to Human Health

Announcing the final unreasonable risk determination for PCE

WhAEM2000 BBM Files - Broadus, Montana

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Broadus Quadrangle, Montana. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Bridger, Montana

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Bridger Quadrangle, Montana. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Bozeman, Montana

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Bozeman Quadrangle, Montana. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Borah Peak, Montana

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Borah Peak Quadrangle, Montana. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Bonners, Montana

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Bonners Ferry Quadrangle, Montana. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Birney, Montana

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Birney Quadrangle, Montana. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Billings, Montana

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Billings Quadrangle, Montana. Files serve as geographic basis for groundwater modeling.

TSCA Section 13 Import Compliance Checklist

This checklist provides help for chemical importers to determine how to certify their chemical imports in order to comply with the regulatory requirements under section 13 of the Toxic Substances.

WhAEM2000 BBM Files - Bighorn, Montana

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Bighorn Crags Quadrangle, Montana. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Big Timber, Montana

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Big Timber Quadrangle, Montana. Files serve as geographic basis for groundwater modeling.