ARSD 74:54:01:06. Sampling and analytical techniques

Sampling and analytical techniques and quality assurance plans must conform with the following references unless otherwise specified by the secretary: (1) Standard Methods for the Examination of Water and Wastewater, 20th Edition, 1998; (2) Methods and Guidance for the Analysis of Water, Version 2, June 1999; (3) Techniques of Water Resource Investigation of the U. S. Geological Survey, (1982); (4) The sampling and analytical requirements published in 67 FR 65896 - 65901 (October 29, 2002), 68 FR 14505 - 14507 (March 25, 2003), 67 FR 65246 - 65250 (October 23, 2002), (references to be codified at 40 C.F.R. Parts 141; National Primary Drinking Water Regulations) and 52 FR 25947 (July 9, 1987) and 62 FR 32462 (June 13, 1997), (to be codified at 40 C.F.R. Parts 264, Appendix IX); (5) "National Field Manual for the Collection of Water-Quality Data", book 9, chaps. A1-A9 October 1997 to April 2004.