The requirements of 40 C.F.R. 141.620 - 141.629 (Subpart V - Stage 2 disinfection byproducts requirements), adopted by reference in 18 AAC 80.010(a), apply to a

1. (1) community water system that uses a primary or residual disinfectant other than ultraviolet light or delivers water that has been treated with a primary or residual disinfectant other than ultraviolet light; or
2. (2) non-transient non-community water system that uses a primary or residual disinfectant other than ultraviolet light or delivers water that has been treated with a primary or residual disinfectant other than ultraviolet light.

(Eff. 11/11/2010, Register 196)

Authority: AS 46.03.020, AS 46.03.710, AS 46.03.050, AS 46.03.720