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

QAPP for Hydraulic Fracturing Retrospective Case Study, Wise, TX (GWERD)

This QAPP describes the technical details and associated quality assurance and quality control procedures for the Wise County, Texas, Barnett Shale case study.

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QAPP for Hydraulic Fracturing Retrospective Case Study, Wise, TX, Revised September 11, 2013 (PDF)(112 pp, 2 MB)