"Oxidation reduction potential (ORP)" means a measure of the ability of chemicals in the water to oxidize, or reduce, ions, generally measured in millivolts (mV).
N.H. Admin. Code § Env-Wq 1102.39
(See Revision Note at chapter heading for Env-Wq 1100) #8468, eff 11-1-05
Readopted with Amendments byVolume XXXIV Number 19, Filed May 8, 2014, Proposed by #10577, Effective 5/1/2014, Expires5/1/2024 See Revission note.Amended by Volume XLI Number 19, Filed May 13, 2021, Proposed by #13198, Effective 5/1/2021, Expires 5/1/2031 (formerly Env-Wq 1102.35) (see Revision Note #3 at chapter heading for Env-Wq 1100)