§ 23.25.603.4. General requirements.

Latest version.

Amend by adding a second paragraph to section 603.4.1 as follows:
Backflow assemblies and devices shall be approved if they successfully passed both the laboratory and field evaluation tests conducted by the University of Southern California Foundation for Cross-Connection Control.

( AO No. 2015-127, § 1, 4-1-16 )

                    
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