National Water-Quality Assessment (NAWQA) Program

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Water Quality in Carbonate Aquifers in the United States

The Report Summary of Findings Study Design
The Report:
Scientific Investigations Report 2008-5240

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While available, copies of this report can be obtained by contacting the Pennsylvania Water Science Center at (717) 730-6946 or by e-mail at jbricker@usgs.gov

VOC detection frequencies were higher in urban areas

Detection frequency for all VOCs was higher in urban areas. The illustration shown is based upon figure 38 of SIR 2008-5240.

figure38d

Detection frequency was also highest in urban areas for individual VOCs. The illustration shown is based upon figure 45 of SIR 2008-5240.

figure45c

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