OAR 918-770-0320: Approved Plumbing Product Standards and Specifications

The following standards and specifications for plumbing products are approved by the Board: (1) Composting Toilets, NSF Standard No. 41 — May 1983. (2) Recognized plumbing product standards listed in Chapter 14, Table 14-1 of the Oregon State Plumbing Specialty Code adopted in OAR 918-750-0110. (3) Testable backflow prevention assemblies approved by the Oregon Health Division Drinking Water Program and listed on the January 2000 "Approved Backflow Prevention Assembly List." [Publications: Publications referenced are available from the agency.]