The purpose of these rules is to adopt vessel sound level measurement procedures. These rules are adopted pursuant to chapter 88.12 RCW Regulation of motor boats, under authority of chapter 88.12 RCW and RCW 43.51.400. These test procedures are based on SAE recommended practices SAE J1970, Shoreline Sound Level Measurements Procedure, and SAE J2005, Stationary Sound Level Measurement Procedures for Pleasure Motorboat, and are obtained from and printed with the permission of the Society of Automotive Engineers Inc., 400 Commonwealth Drive, Warrendale, PA 15096-0001.