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QAPP for Toxicity Assessment for the EPA's Study of the Potential Impacts of Hydraulic Fracturing on Drinking Water Resources

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

QAPP for Toxicity Assessment for the EPA's Study of the Potential Impacts of Hydraulic Fracturing on Drinking Water Resources, Revised January 22, 2014 (pdf)