LAC 51:XII.909 – Invalidation of Total Coliform Results [formerly Invalidation of Total Coliform Results of Appendix C]

A. Analysis results may be invalidated under specified conditions, including:
1. 1. the OPH acknowledges improper analysis occurred or background bacteriological interference was present;
2. 2. the OPH determines the contamination is from an internal plumbing problem, not the distribution system;
3. 3. the OPH concludes, and states in writing, that the result is due to some condition not related to water quality. This written conclusion must be signed by an OPH representative and made available to the public and EPA.

AUTHORITY NOTE: Promulgated in accordance with R. S. 40: 4 (A)(8) and R.S. 40:5 (3)(5)(6)(17)(20).

HISTORICAL NOTE: Promulgated by the Department of Health and Hospitals, Office of Public Health, LR 28:1335 (June 2002).