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IMPACT OF SUBMERSIBLE PUMPS ON PB CONSTITUENTS IN RESIDENTIAL WELLS
SIDLE, W. C. AND P. LI. IMPACT OF SUBMERSIBLE PUMPS ON PB CONSTITUENTS IN RESIDENTIAL WELLS. M.H. Wong (ed.), ENVIRONMENTAL GEOCHEMISTRY AND HEALTH. Springer Netherlands, , Netherlands, DOI 10.1007/s:10653-007-9090-4, (2007).
Dissolved lead in 51 domestic wells screened from 18 m to 48 m in glacial tills and outwash deposits were examined, from archived samples collected during 2001-2004, in conjunction with respective submersible pump characteristics. Pb concentrations of these residential water supplies in the Royal watershed, Maine, ranged from 0.8 to 24.9 µg L-1. Principal component analyses assisted the weighting of pump age, well screen depth, and draw time variables. Preliminary Pb sequestration significance in the boreholes was predicted from geochemical speciation and synchrotron XAS analyses. Nascent 207Pb/206Pb and 208Pb/206Pb isotope analyses assisted the discrimination of possibly leached Pb from submersible pump materials among geogenic sources.
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Record Details:Record Type: DOCUMENT (JOURNAL/PEER REVIEWED JOURNAL)
Organization:U.S. ENVIRONMENTAL PROTECTION AGENCY
OFFICE OF RESEARCH AND DEVELOPMENT
NATIONAL RISK MANAGEMENT RESEARCH LABORATORY
WATER SUPPLY AND WATER RESOURCES DIVISION
WATER QUALITY MANAGEMENT BRANCH