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RECORD NUMBER: 8 OF 8

Main Title Radium and Barium in the Ironton-Galesville Bedrock Aquifer in Northeastern Illinois.
Author W. R. Kelly
CORP Author Midwest Technology Assistance Center (MTAC), Champaign, Illinois.; Illinois State Water Survey Div., Peoria. Center for Groundwater Science.; Environmental Protection Agency, Chicago, IL. Region V.
Year Published 2008
Report Number MTAC-TR08-01; EPA-X829218-01; ISWS-CR-2008-03
Stock Number PB2009-103948
Additional Subjects Radionuclides ; Radium ; Barium ; Groundwater ; Environmental protection ; Aquifers ; Illinois ; Benchmarking ; Grants ; Research projects ; Water treatment ; US EPA ; Ironton-Galesville aquifer ; Chicago(Illinois)
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NTIS  PB2009-103948 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 36p
Abstract Elevated radium (Ra) and barium (Ba) concentrations are found in deep bedrock aquifers in parts of northern Illinois. There is rapid development occurring in the Chicago region, and many residents rely on groundwater for their drinking water. Radium and barium contamination is the most important water quality issue for public water suppliers in most of northern Illinois. Water from deep bedrock aquifers typically has to be treated or blended to reduce concentrations of these contaminants. In addition to health considerations, the presence of Ba can cause precipitation of barite (BaSO(sub 4)) in well bores, pumps, and discharge pipes, necessitating expensive maintenance. Because most wells drilled into deep bedrock aquifers are open to multiple aquifers, allowing waters to mix within the borehole, it is difficult to establish if one or more specific aquifers are primarily responsible for the elevated Ra and/or Ba. Previously it was suggested that the Ironton-Galesville aquifer may be the major source of contamination, based primarily on indirect evidence. The objective of this project was to identify and sample wells open only to individual deep bedrock aquifers in the Chicago region, and analyze for radioisotopes ((sup 226)Ra, (sup 228)Ra), Ba, and complete inorganic chemistry. A better understanding of the occurrence of Ra and Ba may help public water suppliers in siting future deep bedrock wells.
Supplementary Notes Prepared in cooperation with Illinois State Water Survey Div., Peoria. Center for Groundwater Science. Sponsored by Environmental Protection Agency, Chicago, IL. Region V.
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PUB Date Free Form Feb 2008
Category Codes 48B; 48G; 68D; 68F
NTIS Prices PC A04
Document Type NT
Medium Final rept
Cataloging Source NTIS/MT
Control Number 010500660
Origin NTIS
Type CAT