Section Env-Dw 712.03 - Monitoring Location for VOC Contaminants(a) The O/O of a PWS supplied by a groundwater source shall collect at least one sample at every entry point to the distribution system, which entry point shall be representative of each well after treatment, as specified in the sampling schedule established pursuant to Env-Dw 708.01.(b) The O/O of a PWS supplied by a surface water source or a combination of surface water and groundwater shall collect at least one sample at points in the distribution system that are representative of each source or at each entry point to the distribution system after treatment, as specified in the sampling schedule established pursuant to Env-Dw 708.01.(c) If the O/O believes that conditions make another sampling point more representative of a source, treatment plant, or distribution system, the O/O shall request a change in sampling location pursuant to Env-Dw 708.04.(d) If a PWS obtains water from more than one source and the sources are combined prior to entering the distribution system, the O/O shall collect the samples at an entry point to the distribution system during periods of normal operating conditions, when water from all sources is being used.N.H. Admin. Code § Env-Dw 712.03
(See Revision Note #1 at chapter heading for Env-Dw 700) #9700, eff 5-1-10
Amended by Volume XXXVIII Number 50, Filed December 13, 2018, Proposed by #12668, Effective 1/1/2019, Expires 1/1/2029.