(a) Any chemical disinfection or dechlorination process
not discussed in this subchapter, such as chlorine dioxide, ozone,
tablet or powder disinfection and dechlorination processes, and liquid
solution disinfection and dechlorination processes are subject to
the requirements of §217.7(b)(2) of this title (relating to Types
of Plans and Specifications Approvals).
(b) Chemical disinfection processes not discussed in
this subchapter must be flow-paced and must use chemicals approved
by the manufacturer for the purpose of wastewater disinfection.
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