- (1) The laboratory must notify the customer of the subcontract arrangement in writing, including the subcontractors' accreditation credentials under chapters 69.50 RCW and 314-55 WAC.
- (2) The laboratory must maintain a register of all subcontractors that it uses for tests and/or calibrations and a record of the evidence of compliance with chapter 314-55 WAC for the work in question.
- (3) When there are indications that subcontractors knowingly supplied items or services of substandard quality, this information must be forwarded to laboratory management for corrective action.
[Statutory Authority: RCW 15.150.030 and 2022 c 135. WSR 24-09-079, § 16-309-300, filed 4/17/24, effective 5/18/24.]