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State DrinF:ing Water Standards & Analytical Techniqu~ Rule 605b. help://w~ li braries.wayne.edWelaw/water/sdwa/sdwrvle6. hlml (1) The techniques utilized in the collection and analysis of samples to meet the monitoring requirements for regulated VOCs and unregulated contaminants prescribed by Part 7 of these Rules or to determine compliance with the provisions of this Part shall be conducted using the following EPA methods or their equivalent as approved by EPA: (a) "Volatile halogenated organic compounds in water by purge and trap gas chromatography," 502.1. (b) "Volatile aromatic and unsaturated organic compounds in water by purge and trap gas chromatography," 503.1. (c) "Volatile organic compounds in water by purge and trap gas chromatography/mass spectrometry," 524.1. (d) "Volatile organic compounds in water by purge and trap capillary column gas chromatography/mass spectrometry," 524.2. (e) "Volatile organic compounds in water by purge and trap capillary gas chromatography with photoionization and electrolytic conductivity detectors in series," 502.2. (2) The methods specified in Subrule (l) of this Rule aze contained in the publication entitled "Methods for the Determination of Organic Compounds in Finished Drinking Water and Raw Source Water," September, 1986, which is adopted herein by reference and which is available from the Environmental Monitoring and Support Laboratory (EMSL), EPA, Cincinnati, Ohio 45268, at no cost or from the Michigan Department of Public Health, Division of Water Supply, 3423 North Logan Street, P.O. Box 30195, Lansing, Michigan 48909, at no cost. The analysis of 1.2dibromo3chloropropane (DBCP) and 1,2dibromoethane (EDB) shall be conducted by method 504 entitled "Measurement of 1,2dibromoethane (EDB) and 1?dibromo3chloropropane (DBCP) in Drinking Water by Microextrac[ion and Gas Chromatography," September, 1986, which is adopted herein by reference and which is available from the Environmental Monitoring and Support Laboratory (EMSL), EPA, Cincinnati, Ohio 45268, at no cost or from the Michigan Department of Public Health, Division of Water Supply, 3423 North Logan Street, P.O. Box 30195, Lansing, Michigan 48909, at no cost. (3) Analysis under this Rule shall only be accepted when conducted by Department or EPAcertified or provisionally certified laboratories. R 325.10606 Alternative analytical techniques. Rule 606. With the written permission of the Department, and upon approval by EPA, an alternative analytical technique may be employed. The use of the altemative analytical technique shall no[ decrease the frequency of monitoring required by Part 7. R 325.10607 List of approved alternative analytical techniques; maintenance and availability. Rule 607. A list of those alternative analytical techniques approved pursuant to R 325.10606 shall be maintained by the Department and shall be available from the Department offices in Lansing and Escanaba. 1992 Compendium of Environmental Statutes and Regulations 4 of 5 7/21/99 3:31 PM