EPA's Study of Hydraulic Fracturing and Its Potential Impact on Drinking Water Resources

QAPP for Data Collection/Mining for Hydraulic Fracturing Case Studies (GWERD)

This QAPP describes the technical details and associated quality assurance and quality control procedures for the water availability modeling research project.

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QAPP for Data Collection/Mining for Hydraulic Fracturing Case Studies, Revised January 10, 2012 (PDF)(87 pp, 722 K)