Section NR 106.975 - Definitions In this subchapter:
(1) "Composite sample" has the meaning specified in s. NR 218.04 (11).(2) "Equipment blank" means a sample collected by passing laboratory-verified PFAS-free water over or through field sampling equipment before the collection of field samples to evaluate potential contamination from the equipment used during sampling.(3) "Grab sample" has the meaning specified in s. NR 218.04 (10).(4) "Major municipal discharger" means a treatment works or system that has a major municipal discharge as defined in s. NR 200.02 (7).(5) "Minor municipal discharger" means a treatment works or system that has a minor municipal discharge as defined in s. NR 200.02 (8).(6) "Municipal discharger" means all publicly operated treatment works and privately owned domestic sewage treatment works subject to the requirements under ch. NR 210.(7) "New discharger" means any building, structure, facility, or installation from which there is or may be a discharge of pollutants, that is not a new source, and that did not commence the discharge of pollutants at a particular site prior to August 1, 2022, and which has never received a finally effective WPDES permit for discharges at that site.(8) "New source" has the meaning specified in s. NR 106.117.(9) "PFAS" means a perfluoroalkyl or polyfluoroalkyl substance that contains a straight or branching chain of carbon atoms in which one or more of the carbon atoms have fluorine atoms attached at all bonding sites not occupied by another carbon atom and the fluorinated part of the molecule can be expressed as CnF2n+1.(10) "Perfluorooctanoic acid" or "PFOA" has the meaning specified in s. NR 102.03 (4e).(11) "Perfluorooctane sulfonate" or "PFOS" has the meaning specified in s. NR 102.03 (4m).(12) "Primary industry" has the meaning specified in s. NR 200.02 (15).(13) "Secondary industry" has the meaning specified in s. NR 200.02 (17).(14) "Source reduction activities" means structural or non-structural measures, practices, techniques, activities, or devices employed to reduce or eliminate the transfer of PFOS and PFOA from sources into surface waters of the state.(15) "Treatment works" has the meaning specified in s. 283.01(18), Stats.(16) "WPDES permit" means the Wisconsin pollutant discharge elimination system permit issued by the department under ch. 283, Stats., for the discharge of pollutants.Wis. Admin. Code Department of Natural Resources § NR 106.975
Adopted by, CR 21-083: cr. Register July 2022 No. 799, eff. 8/1/2022.