SECTION 310:257-9-16. Backflow prevention device, design standard  


Latest version.
  •   A backflow or backsiphonage prevention device installed on a water supply system shall meet American Society of Sanitary Engineering (A.S.S.E.) standards for construction, installation, maintenance, inspection, and testing for that specific application and type of device.
[Source: Added at 23 Ok Reg 2358, eff 6-25-06]