Society of Automotive Engineers (SAE) Standard J1849 is adopted by reference as the standard for emergency vehicle sirens.
Wash. Admin. Code § 204-10-120
Statutory Authority: RCW 46.37.005 and 46.37.320. 08-19-079, § 204-10-120, filed 9/16/08, effective 10/17/08. Statutory Authority: RCW 46.37.005. 93-11-018, § 204-10-120, filed 5/6/93, effective 6/6/93. Statutory Authority: RCW 46.37.005, 46.37.194, 46.37.280, 46.37.310, 46.37.320 and 46.37.380. 81-18-008 (Order 81-08-02), § 204-10-120, filed 8/21/81.