![]() ![]() ![]() Pressure Vacuum Breaker back-siphonage prevention assemblies (PVB), and.Double Check valve backflow prevention assemblies (DC) and the related Double Check-Detector backflow prevention Assemblies (DCDA),.Reduced Pressure principle backflow prevention assemblies (RP) and the related Reduced Pressure principle-Detector backflow prevention Assemblies (RPDA),.The list includes the four general types of testable backflow prevention assemblies: Detector type assemblies are additionally listed with the specific approved bypass meter(s). Other License and Certificate Related Topicsīackflow prevention assemblies, devices, and/or methods are utilized on water supply piping to protect against hazards caused by backpressure or back-siphonage conditions that could cause pollutants or contaminants to backflow into the public water supply and/or the water user's system.Īpproved backflow prevention assemblies shall be assemblies approved by the University of Southern California (USC) Foundation for Cross Connection Control and Hydraulic Research.Īssembly approvals listed are individually dated and valid within 3 years of the current date, specific to manufacturers, model numbers, piping sizes, installation orientations, and attached shutoff valves.Residential and Outpatient Behavioral Health.Birth, Death, Marriage and Divorce Records.Licenses and Certificates arrow_drop_down.Other Health System Reform Related Topics.Other Oregon Health Plan Related Topics.Do you qualify for OHP? (Opens in new window).Log into your OHP Account (Opens in new window).Other Program and Service Related Topics. ![]()
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