1. U.S. Environmental Protection Agency. National Primary Drinking Water Regulations—synthetic organic chemicals; monitoring for unregulated contaminants; final rule. 40 CFR 141. & 142; Federal Register. 52, No. 130; 1987. Google Scholar

2. U.S. Environmental Protection Agency. Guidelines establishing test procedures for the analysis of pollutants under the Clean Water Act. 40 CFR. Part 136; Federal Register 51, No. 125; 1986. Google Scholar

3. U.S. Environmental Protection Agency. Definition and procedure for the determination of the method detection limit, rev. 1.11. 40 CFR. Part 136, Appendix B; 1995. Google Scholar

U.S. Environmental Protection Agency. Methods for the determination of organic compounds in drinking water: supplement II. Cincinnati (OH): Office of Research and Development, Environmental Monitoring Systems Laboratory; 1992. Google Scholar

U.S. Environmental Protection Agency. Method 502.2: Volatile organic compounds in water by purge and trap capillary column gas chromatography with photoionization and electrolytic conductivity detectors in series. In: Methods for the Determination of Organic Compounds in Finished Drinking Water and Raw Source Water., Cincinnati (OH): Environmental Monitoring & Support Laboratory; 1991. Google Scholar