- (1) A laboratory must have, at a minimum, the equipment and supplies necessary to perform an approved analytical method for each contaminant analysis for which approval is requested pursuant to ARM 37.12.305.
- (2) The equipment and supplies must meet the specifications required by the approved analytical method used and the specifications specified in the EPA laboratory certification manual for that method.
- (3) Analytical reagent (AR) grade chemicals or better must be used for analyses.
- (4) The laboratory must have a source of distilled, deionized, or reagent grade water that meets all the requirements listed in the EPA laboratory certification manual and the requirements of the analytical method being used.
- (5) The department adopts and incorporates by reference the standards contained in the EPA laboratory certification manual (EPA 815-R-05-004, "Manual for the Certification of Laboratories Analyzing Drinking Water," January 2005) for sources of distilled, deionized water, or reagent grade water. A copy of the manual may be obtained from the Department of Public Health and Human Services, Laboratory Services Bureau, 1400 Broadway, Cogswell Building, P.O. Box 4369, Helena, MT 59604-4369, telephone (406)444-3444, or may be downloaded at the EPA web site: https://wwwepa.gov/dwlabcert/laboratory-certification-manual-drinking-water .
Authorizing statute(s): 50-1-202, MCA
Implementing statute(s): 50-1-202, 75-6-106, MCA
History: NEW, 1999 MAR p. 291, Eff. 2/12/99; AMD, 2003 MAR p. 2442, Eff. 10/31/03; AMD, 2011 MAR p. 2286, Eff. 10/28/11; AMD, 2023 p. 305, Eff. 3/25/23.