For analysis of suitable drinking water samples as requested by the department or to support studies of specific industries or for use in broad national surveys, laboratories shall use validated methods and test procedures. Environmental protection agency methods are preferred, but other state approved and validated methods may be acceptable.

History: Effective July 1, 2020; amended effective January 1, 2022.

General Authority: NDCC 23.1-01-14

Law Implemented: NDCC 23.1-01-14