PURPOSE: This rule lists manuals containing acceptable analysis procedures for determination of contaminant levels.

PUBLISHER’S NOTE: The secretary of state has determined that the publication of the entire text of the material which is incorporated by reference as a portion of this rule would be unduly cumbersome or expensive. This material as incorporated by reference in this rule shall be maintained by the agency at its headquarters and shall be made available to the public for inspection and copying at no more than the actual cost of reproduction. This note applies only to the reference material. The entire text of the rule is printed here.

1. (1) Inorganic and Secondary Contaminants. Unless substitute methods are approved by the department, analysis shall be conducted in accordance with the inorganic and secondary contaminant analytical methods in paragraphs 40 CFR 141.23(k)(l) and 40 CFR 143.4(b) of the July 1, 2003, Code of Federal Regulations, which are incorporated by reference in this rule.
2. (2) Organic Contaminants. Unless substitute methods are approved by the department, analysis shall be conducted in accordance with the organic contaminant analytical methods in paragraph 40 CFR 141.24(e) of the July 1, 2003, Code of Federal Regulations, which is incorporated by reference in this rule.
3. (3) Microbiological Contaminants and Turbidity. Unless substitute methods are approved by the department, analysis shall be conducted in accordance with the microbiological contaminant and turbidity analytical methods in 40 CFR 141.21(f), 40 CFR 141.74(a)(1), and 40 CFR 141.704(a) of the July 1, 2008, Code of Federal Regulations, which are incorporated by reference. This does not include later amendments or additions. The Code of Federal Regulations is published by the U.S. Government Printing Office, 732 North Capitol Street NW, Washington, DC 20401 and is available by calling toll-free (866) 512-1800 or going to http://bookstore.gpo.gov.
4. (4) Radiological Contaminants. Unless substitute methods are approved by the department, analysis shall be conducted in accordance with the radiological contaminant analytical methods in paragraphs 40 CFR 141.25(a) and (b) of the July 1, 2003, Code of Federal Regulations, which are incorporated by reference.
5. (5) Disinfection By-Products, Residual Disinfectant Concentrations, and Disinfection By-Product Precursors. Unless substitute methods are approved by the department, analysis shall be conducted in accordance with the disinfection by-product, residual disinfectant concentration, and disinfection byproduct precursor analytical methods in 40 CFR 141.74(a)(2) and 40 CFR 141.131 of the July 1, 2008, Code of Federal Regulations, which are incorporated by reference. This does not include later amendments or additions. The Code of Federal Regulations is published by the U.S. Government Printing Office, 732 North Capitol Street NW, Washington, DC 20401 and is available by calling toll-free (866) 512-1800 or going to http://bookstore.gpo.gov.

6. (6) Sample collection for the contaminants referenced in this rule must be conducted using the sample preservation, container, and maximum holding time procedures specified in the following procedures, which are incorporated by reference, or in accordance with procedures contained in the appropriate analytical method.

   1. (A) Inorganic contaminant sample collection procedures in 40 CFR 141.23(k)(2) of the July 1, 2003, Code of Federal Regulations are incorporated by reference.
   2. (B) Total trihalomethane sample collection procedures in 40 CFR 141.30(e) of the July 1, 2003, Code of Federal Regulations are incorporated by reference.

7. (7) The department may reduce the total number of samples a system must analyze by allowing the use of compositing. Compositing shall be conducted according to the following procedures incorporated by reference.

   1. (A) Sample compositing procedures for inorganic contaminants in 40 CFR 141.23(a)(4) of the July 1, 2003, Code of Federal Regulations are incorporated by reference.
   2. (B) Sample compositing procedures for volatile organic contaminants in 40 CFR 141.24(f)(14) of the July 1, 2003, Code of Federal Regulations are incorporated by reference.
   3. (C) Sample compositing procedures for synthetic organic contaminants in 40 CFR 10 CSR 60-5

141.24(h)(10) of the July 1, 2003, Code of Federal Regulations are incorporated by reference.

1. (D) Sample compositing procedures for radiological contaminants in 40 CFR 141.26(a)(4) of the July 1, 2003, Code of Federal Regulations are incorporated by reference.
2. (E) Sample compositing procedures for lead and copper in 40 CFR 141.88(a)(1)(iv) Code of Federal Regulations are incorporated by reference.

1. (8) Detection Limits.

   1. (A) Detection limits for inorganic contaminants in 40 CFR 141.23(a)(4)(i) of the July 1, 2008, Code of Federal Regulations are incorporated by reference. This does not include later amendments or additions. The Code of Federal Regulations is published by the U.S. Government Printing Office, 732 North Capitol Street NW, Washington, DC 20401 and is available by calling toll-free (866) 512- 1800 or going to http://bookstore.gpo.gov.
   2. (B) Practical Quantitation Levels (PQL) for lead and copper in 40 CFR 141.89(a)(1)(ii)(A) and (B) of the July 1, 2008, Code of Federal Regulations are incorporated by reference. This does not include later amendments or additions. The Code of Federal Regulations is published by the U.S. Government Printing Office, 732 North Capitol Street NW, Washington, DC 20401 and is available by calling toll-free (866) 512- 1800 or going to http://bookstore.gpo.gov.
   3. (C) Detection limit for volatile organic contaminants in 40 CFR 141.24(f)(7) of the July 1, 2008, Code of Federal Regulations are incorporated by reference. This does not include later amendments or additions. The Code of Federal Regulations is published by the U.S. Government Printing Office, 732 North Capitol Street NW, Washington, DC 20401 and is available by calling toll-free

2. (866) 512-1800 or going to http://bookstore.gpo.gov.

   1. (D) Detection limits for synthetic organic contaminants in 40 CFR 141.24(h)(13)(ii) and 141.24(h)(18) of the July 1, 2008, Code of Federal Regulations are incorporated by reference. This does not include later amendments or additions. The Code of Federal Regulations is published by the U.S. Government Printing Office, 732 North Capitol Street NW, Washington, DC 20401 and is available by calling toll-free (866) 512-1800 or going to http://bookstore.gpo.gov.
   2. (E) Detection limits for radiological contaminants in 40 CFR 141.25(c) of the July 1, 2008, Code of Federal Regulations are incorporated by reference. This does not include later amendments or additions. The Code of Federal Regulations is published by the U.S. Government Printing Office, 732 North Capitol Street NW, Washington, DC 20401 and is available by calling toll-free (866) 512- 1800 or going to http://bookstore.gpo.gov.
   3. (F) Detection limits for disinfection byproducts in 40 CFR 141.64 of the July 1, 2008, Code of Federal Regulations are incorporated by reference. This does not include later amendments or additions. The Code of Federal Regulations is published by the U.S. Government Printing Office, 732 North Capitol Street NW, Washington, DC 20401 and is available by calling toll-free (866) 512- 1800 or going to http://bookstore.gpo.gov.
3. (9) Analytical Methods for Source Water Monitoring. Unless substitute methods are approved by the department, analysis shall be conducted in accordance with the analytical methods in 40 CFR 141.402(c) of the July 1, 2008, Code of Federal Regulations, which are incorporated by reference. This does not include later amendments or additions. The Code of Federal Regulations is published by the U.S. Government Printing Office, 732 North Capitol Street NW, Washington, DC 20401 and is available by calling toll-free
4. (866) 512-1800 or going to http://bookstore.gpo.gov.

AUTHORITY: section 640.100, RSMo Supp. 2009 and section 640.125.1, RSMo 2000.* Original rule filed May 4, 1979, effective Sept. 14, 1979. Amended: Filed April 14, 1981, effective Oct. 11, 1981. Amended: Filed June 2, 1988, effective Aug. 31, 1988. Rescinded and readopted: Filed Dec. 4, 1990, effective July 8, 1991. Rescinded and readopted: Filed March 31, 1992, effective Dec. 3, 1992. Amended: Filed Aug. 4, 1992, effective May 6, 1993. Amended: Filed May 4, 1993, effective Jan. 13, 1994. Amended: Filed Feb. 1, 1996, effective Oct. 30, 1996. Amended: Filed July 1, 1999, effective March 30, 2000. Amended: Filed Dec. 15, 1999, effective Sept. 30, 2000. Amended: Filed April 15, 2003, effective Jan. 30, 2004. Amended: Filed Feb. 17, 2004, effective Nov. 30, 2004. Amended: Filed Feb. 27, 2009, effective Oct. 30, 2009. Amended: Filed April 14, 2010, effective Dec. 30, 2010.

*Original authority: 640.100, RSMo 1939, amended 1978, 1981, 1982, 1988, 1989, 1992, 1993, 1995, 1996, 1998, 1999, 2002, 2006 and 640.125, RSMo 1978, amended 1998.