This rule applies to community water systems and nontransient noncommunity water systems that add a chemical disinfectant to the water in any part of the drinking water treatment process and transient noncommunity water systems that use chlorine dioxide.
(This rule; applies; to community water systems and nontransient noncommunity water systems) (nontransient noncommunity water systems; add; a chemical disinfectant; to the water in any part of the drinking water treatment process and transient noncommunity water systems) (transient noncommunity water systems; use; chlorine dioxide)
This rule nontransient noncommunity water systems transient noncommunity water systems
applies add use
to community water systems and nontransient noncommunity water systems
a chemical disinfectant to the water in any part of the drinking water treatment process and transient noncommunity water systems
chlorine dioxide