Science & Technology

Alternatives Assessment: Partnership to Evaluate Flame Retardants in Printed Circuit Boards

The partnership project on flame retardants in printed circuit boards seeks to improve understanding of the environmental and human health impacts of new and current materials that can be used to meet fire safety standards

Partnership to Evaluate Alternatives to Bisphenol A in Thermal Paper

The partnership project for alternatives assessment of alternatives to BPA in thermal paper sought to assess potential hazards for BPA and alternatives to reduce the possibility of unintended consequences of using substitutes

National Cost Implications of a Potentional Perchlorate Regulation

In this study, a screening level cost assessment was conducted to evaluate the national cost implications of five potential regulatory levels for perchlorate in drinking water " 4, 6, 12, 18, and 24 ?g/L.

Stream Mitigation Protocol Compendium - 2004

This document is intended as a reference in order to select, adapt, or devise stream assessment methods appropriate for impact assessment and mitigation of fluvial resources in the CWA Section 404 Program.

Assessing Streams in Appalachia relating to CWA Section 404

Stream Assessment and Monitoring in Appalachia

Field Operations Manual for Assessing the Hydrologic Permanence and Ecological Condition of Headwater Streams

This document provides methods specifically designed for assessing the hydrologic permanence and ecological condition of headwater streams.

Artisanal and Small-Scale Gold Mining Without Mercury

Mercury-free techniques are safer for miners, their families and local communities. They can also help miners qualify for certification under fair-mined standards, potentially allowing them to market their gold at higher prices.

Stream Assessment and Mitigation Protocols: A Review of Commonalities and Differences

Various stream assessment and stream mitigation protocols in use by federal and state agencies nationwide were compiled and evaluated to determine the degree to which they presented unique, comprehensive procedures to assess stream and riparian functions.

WhAEM2000 BBM Files - Kewanee, Illinois

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

WhAEM2000 BBM Files - Keokuk, Illinois

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

WhAEM2000 BBM Files - Kankakee, Illinois

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

WhAEM2000 BBM Files - Jerseyville, Illinois

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

WhAEM2000 BBM Files - Galesburg, Illinois

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

WhAEM2000 BBM Files - Festus, Illinois

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

WhAEM2000 BBM Files - Farmington, Illinois

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

WhAEM2000 BBM Files - Fairbury, Illinois

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

WhAEM2000 BBM Files - Elgin, Illinois

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

WhAEM2000 BBM Files - Effingham, Illinois

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

WhAEM2000 BBM Files - Dubuque South, Illinois

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

WhAEM2000 BBM Files - Dubuque North, Illinois

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