HAR §11-25-11. the expiration date

(5) Replacement of certificate - $10. Replacement of identification card - $15. [Eff. 2/8/93; am and comp 4/29/95; am and comp 8/25/97; am and comp 1/8/01; am and comp 5/24/02; am and comp AUG 10 2018 ] (Auth: HRS §§340F-7, 340F-11(1)) (Imp: HRS §§340F-3, 340F-6, 340F-7, 340F-8, 340F-11; 40 C.F.R. §141.70; 42 U.S.C. §300g-8) §11-25-11 Classification of water treatment plants. The classification of WTPs ascends with the complexity of treatment processes used. Class 1 plants are the simplest to operate and Class 4 plants the most difficult. (1) Class 1 WTPs use the following technologies: (A) Slow sand filtration; (B) Chemical addition, such as for chlorination, fluoridation, pH control or corrosion control; (C) Granular activated carbon filtration; or (D) Packed aeration towers or air stripping towers. (2) Class 2 WTPs use the following technologies: (A) Membrane filtration; (B) Cartridge filtration; or (C) Desalting (including distillation, electrodialysis, and reverse osmosis). (3) Class 3 WTPs use the following technologies: (A) Diatomaceous earth filtration; or (B) Package WTPs with features similar to those of diatomaceous earth filtration. (4) Class 4 WTPs use the following technologies: (A) Conventional treatment (coagulation with rapid mixing, flocculation, sedimentation, and filtration); (B) Direct filtration (conventional treatment without sedimentation); or (C) Package WTPs with features similar to those of conventional treatment or direct filtration plants. [Eff 2/8/93; am and comp 4/29/95; am and comp AUG 10 2018 8/25/97; am and comp 1/8/01; am and comp 25-19 3276