§ 52.20 STANDARDS AND MANUFACTURER’S INSTRUCTIONS APPLY.
   (A)   All backflow prevention devices or methods required by these rules and regulations shall be approved by the Research Foundation for Cross-Connection Control of the University of Southern California, American Water Works Association, American Society of Sanitary Engineering, or American National Standards Institute, or certified by the National Sanitation Foundation to be in compliance with applicable industry specifications.
   (B)   Installation of approved devices shall be made in accordance with the manufacturer’s instructions. Maintenance as recommended by the manufacturer of the device shall be performed. The manufacturer’s maintenance manual shall be available on-site.
(1983 Code, § 21-184) (Ord. 2833, passed 3-4-1999) Penalty, see § 52.99