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

QAPP for Hydraulic Fracturing (HF) Surface Spills Data Analysis

This QAPP describes the technical details and associated quality assurance and quality control procedures for the spills database analysis research project.

You may need Adobe Reader to view files on this page. See EPA’s About PDF page to learn more.

QAPP for Hydraulic Fracturing (HF) Surface Spills Data Analysis, Revised September 9, 2013 (PDF)(10 pp, 246 K)