New Hampshire Code of Administrative Rules
Env - Department of Environmental Services
Subtitle Env-Ws - Division of Water
Chapter Env-Ws 300 - NEW HAMPSHIRE DRINKING WATER RULES
Part Env-Ws 380 - FILTRATION, DISINFECTION, TREATMENT PLANT AND WASTE RECYCLING
Section Env-Ws 380.13 - Analytical Requirements
Current through Register No. 13, March 27, 2025
(a) The analytical methods specified in 40 CFR 141.74 shall be used to comply with the requirements of Env-Ws 380 for the following parameters:
(b) Operators certified under Env-Ws 367 shall conduct measurements for pH, temperature, turbidity, and residual disinfectant concentration.
(c) Measurements for total coliforms, fecal coliforms, and HPC shall be conducted by a laboratory accredited to do such analysis by the department under Env-C 300.
(d) Until laboratory accreditation criteria are developed for the analysis of HPC and fecal coliforms, any laboratory certified for total coliform analysis under Env-C 300 shall be deemed certified for HPC and fecal coliform analysis.
#5098, eff 3-18-91, EXPIRED 3-18-97
New. #6521, eff 6-4-97 (See Revision Note at chapter heading for Env-Ws 300); ss by #8352, eff 5-14-05 (formerly Env-Ws 380.21 )