- (a) Except as provided in 252:710-3-31(b)(4), all duties relating to the laboratory analysis of water quality samples from water treatment plants, groundwater systems, storage and distribution systems (including purchased-water systems) shall be performed by or under the general supervision of a laboratory operator certified by DEQ.
- (b) Operators of laboratories owned by or associated with waterworks/wastewater works shall record the results of all laboratory analyses for each entry at each facility in a bound volume , database, or other software application. Records shall be kept on file at the laboratory for inspection and review for ten (10) years for waterworks and three (3) years for wastewater works. Each database or other software application used in lieu of a bound volume shall be protected by some form of electronic authorization. All entries shall be date and time stamped and include an audit trail.
- (c) Laboratory operator certification is not required for waterworks or wastewater works laboratory operators performing the minimum analyses required by rules of DEQ for purchased water systems, groundwater systems using no treatment other than chlorination for disinfection, or for total retention lagoon facilities unless DEQ has determined that additional laboratory tests, required to be performed by a certified laboratory operator, are necessary for proper operation.
Added at 17 Ok Reg 2024, eff 6-12-00
Amended at 22 Ok Reg 1491, eff 6-15-05
Amended at 37 Ok Reg 1319, eff 9-15-20
Amended at 40 Ok Reg 2058, eff 9-15-23
Amended at 42 Ok Reg, Number 22, effective 9-15-25