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P2910.2.1 Residual Disinfectants
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Where chlorine is used for disinfection, the nonpotable water shall contain not more than 4 ppm (4 mg/L) of chloramines or free chlorine. Where ozone is used for disinfection, the nonpotable water shall not contain gas bubbles having elevated levels of ozone at the point of use.
Exception: Reclaimed water sources shall not be required to comply with the requirements of this section.
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Related Code Sections
1301.2.1 Nonpotable Water Systems, Residual Disinfectants
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