No chemical or product shall be added to drinking water by a water supplier unless the chemical or product is certified as meeting the specifications of NSF International/American National Standard Institute (NSF/ANSI) 60-2005 (Drinking Water Treatment Chemicals--Health Effects), which is hereby incorporated by reference. Certification shall be from an ANSI accredited product certification organization whose certification system includes, as a minimum, the following criteria for ensuring the chemical or product meets NSF/ANSI Standard 60.
Cal. Code Regs. Tit. 22, § 64590
Note: Authority cited: Section 116350, 116375 and 131200, Health and Safety Code. Reference: Sections 116275, 116375, 116550 and 131051, Health and Safety Code.