Guides
How PHTA and ANSI/PHTA-11 water quality standards apply to route work
ANSI/PHTA-11 sets the water quality baselines public pools are inspected against, and route techs log the chemical readings that prove compliance.
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Topic
Guides
ANSI/PHTA-11 sets the water quality baselines public pools are inspected against, and route techs log the chemical readings that prove compliance.