(1) Methods of sample collection, preservation, and sample analysis used to determine compliance with the standards in this subchapter must be in accordance with 40 CFR Part 136 "Guidelines Establishing Test Procedures for the Analysis of Pollutants" (July 2015), or the following:

(a) EPA-SW-846, Third Edition (November 1986), as amended by Updates I (July 1992), II (September 1994), IIA (August 1993), IIB (January 1995), and III (December 1996), and IIIA (May 1999) "Test Methods for Evaluating Solid Waste, Physical/Chemical Methods";

(b) EPA-600/R-95/131 (August 1995), "Methods for the Determination of Organic Compounds in Drinking Water", Supplement III;

(c) EPA-600/R-93/100 (August 1993), "Methods for the Determination of Inorganic Substances in Environmental Samples";

(d) EPA-600/R-94/111 (May 1994), "Methods for the Determination of Metals in Environmental Samples," Supplement I; or;

(e) methods specifically approved by the department in a permit, license, authorization, or approval provided for by statute or rule.

(2) Analyses of parameters to determine compliance with ground water standards must comply with the required reporting values given in DEQ-7.

(3) The department adopts and incorporates by reference the following publications:

(a) EPA-SW-846, [Third Edition (November 1986), as amended by Updates I (July, 1992), II (September 1994), IIA (August 1993), IIB (January 1995), and III (December 1996)], "Test Methods for Evaluating Solid Waste, Physical/Chemical Methods";

(b) EPA-600/R-95/131 (August 1995), "Methods for the Determination of Organic Compounds in Drinking Water", Supplement III;

(c) EPA-600/R-93/100 (August 1993), "Methods for the Determination of Inorganic Substances in Environmental Samples"; and

(d) EPA-600/R-94/111 (May 1994), "Methods for the Determination of Metals in Environmental Samples", Supplement I.

(4) Copies of the publications in (3)(a) through (d) are available at the Department of Environmental Quality, 1520 East Sixth Avenue, P.O. Box 200901, Helena, MT 59620-0901.