The certifying agency conducts field inspections as follows:
Wash. Admin. Code § 16-302-070
Statutory Authority: Chapters 15.49 and 34.05 RCW. 10-08-029, § 16-302-070, filed 3/31/10, effective 5/1/10. Statutory Authority: RCW 15.49.005, 15.49.081, 15.49.310, 15.49.370(3) and chapter 17.24 RCW. 00-24-077, § 16-302-070, filed 12/4/00, effective 1/4/01.