(December 23, 2021, 8:44 AM EST) -- TACOMA, Wash. — The Division II Washington Court of Appeals ruled Dec. 14 that the addition in July 2018 to the state’s Water Quality Program Permit Writer’s Manual of a provision allowing the use of highly sensitive methods of testing for polychlorinated biphenyls (PCBs) is guidance not subject to the rulemaking requirements of the Washington Administrative Procedure Act (APA)....