USGS

 

U.S. GEOLOGICAL SURVEY

OPEN-FILE REPORT 2005-1125—Version 2.1


Radiochemical and Chemical Constituents in Water from Selected Wells and Springs from the Southern Boundary of the Idaho National Laboratory to the Hagerman Area, Idaho, 2003

By Gordon W. Rattray and Amy J. Wehnke, U.S. Geological Survey, L. Flint Hall, State of Idaho, Department of Environmental Quality, Division of INL Oversight and Radiation Control, and Linford J. Campbell, Idaho Department of Water Resources

 

Prepared in cooperation with the U.S. DEPARTMENT OF ENERGY and IDAHO DEPARTMENT OF WATER RESOURCES

 

This report is available as a pdf.

 

ABSTRACT

The U.S. Geological Survey and the Idaho Department of Water Resources, in cooperation with the U.S. Department of Energy, sampled water from 14 sites as part of an ongoing study to monitor the water quality of the eastern Snake River Plain aquifer between the southern boundary of the Idaho National Laboratory (INL) and the Burley-Twin Falls-Hagerman area. The State of Idaho, Department of Environmental Quality, Division of INL Oversight and Radiation Control cosampled with the U.S. Geological Survey and the Idaho Department of Water Resources and their analytical results are included in this report. The samples were collected from four domestic wells, two dairy wells, two springs, four irrigation wells, one observation well, and one stock well and analyzed for selected radiochemical and chemical constituents. Two quality-assurance samples, sequential replicates, also were collected and analyzed.

None of the concentrations of radiochemical or organic-chemical constituents exceeded the maximum contaminant levels for drinking water established by the U.S. Environmental Protection Agency. However, the concentration of one inorganic-chemical constituent, nitrate (as nitrogen), in water from site MV-43 was 20 milligrams per liter which exceeded the maximum contaminant level for that constituent. Of the radiochemical and chemical concentrations analyzed for in the replicate-sample pairs, 267 of the 270 pairs (with 95 percent confidence) were statistically equivalent.

TABLE OF CONTENTS

Abstract

Introduction

Geohydrologic Setting

Acknowledgments

Methods and Quality Assurance

Site Selection

Sample Containers and Preservatives

Sample Collection

Quality Assurance

Radiochemical Constituents

Tritium

Strontium-90

Gross Alpha-Particle Radioactivity

Gross Beta-Particle Radioactivity

Cesium-137 and Potassium-40

Chemical Constituents

Trace Elements

Major Cations and Dissolved Silica

Nutrients

Purgeable Organic Compounds

Insecticides

Herbicides

Statistical Equivalency of the Replicate Pair of Samples

Summary

References Cited


 

The full report is available as a pdf--Version 2.1 (1.5 MB).

 

Errata Sheet

 

 


 

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