33.1-23-03-05. Evaluation on results.

1. A laboratory must demonstrate passing performance to the department, as determined by the proficiency test sample provider, for each parameter and method or field of testing reported.

2. A laboratory may use one proficiency test sample for multiple methods.

3. A laboratory may not request a revised report from the proficiency test sample provider when the requested revisions are the result of error on the part of the laboratory.

History: Effective July 1, 2020.

General Authority: NDCC 23.1-01-14

Law Implemented: NDCC 23.1-01-14