Science & Technology

Background Material for the Human Studies Review Board's Review of Spak 1989

Journal article and details of EPA's science and ethics reviews of the study by Spak et al. from 1989.

Antimicrobial Exposure Assessment Task Force II (AEATF II) Volume 6: Standard Operating Procedures for a Multi-Year Antimicrobial Chemical Exposure Monitoring Program

This document presents key AEATF II Standard Operating Procedures that support the submitted study protocols.

Charge Questions for the October 1, 2013, Meeting of the Human Studies Review Board

Supporting material for the October 1, 2013, Meeting of the Human Studies Review Board

Issue Paper on the Ecological Effects of Metals

A summary of biological and ecological responses to metals, and discuss the role of descriptive and predictive methods used to characterize effects of metals in risk assessment.

Issue Paper on the Environmental Chemistry of Metals

EPA has identified three types of regulatory risk assessments where information regarding speciation of metals is useful and desirable: national hazard/risk ranking and characterization, site-specific assessments, and National Regulatory Assessments.

Issue Paper on the Bioavailability and Bioaccumulation of Metals

The goal of this paper is to summarize the current and emerging state of the science supporting assessments of metal bioavailability and bioaccumulation in aquatic and terrestrial organisms.

WhAEM BBM Files - Iowa

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for quadrangles in Iowa. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - West Frankfort, Indiana

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

WhAEM2000 BBM Files - Watseka, Indiana

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

WhAEM2000 BBM Files - Wabash, Indiana

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

WhAEM2000 BBM Files - Vincenne, Indiana

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

WhAEM2000 BBM Files - Terre Haute, Indiana

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

WhAEM2000 BBM Files - Tell City, Indiana

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

WhAEM2000 BBM Files - South Bend, Indiana

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

WhAEM2000 BBM Files - Piqua, Indiana

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

WhAEM2000 BBM Files - Paris, Indiana

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

WhAEM2000 BBM Files - New Castle, Indiana

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

WhAEM2000 BBM Files - Mount Vernon, Indiana

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

WhAEM2000 BBM Files - Madison, Indiana

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

WhAEM2000 BBM Files - Logansport, Indiana

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