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

QAPP for Chemical Information Quality Review and Physicochemical Property Calculations for Hydraulic Fracturing Chemical Lists

This QAPP describes the technical details and associated quality assurance and quality control procedures for the toxicity assessment research project.

You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.

QAPP for Chemical Information Quality Review and Physicochemical Property Calculations for Hydraulic Fracturing Chemical Lists, Revised October 24, 2012 (PDF)(16 pp, 172 K)