WAC 173-360-620
Types of certifications. The department requires certifications in the following areas:
(1) Tank installation and retrofitting;
(2) Tank decommissioning;
(3) Tightness testing;
(4) Cathodic protection installation and testing; and
(5) Site assessment associated with tank closure.
[Statutory Authority: Chapter 90.76 RCW. 95-04-102, § 173-360-620, filed 2/1/95, effective 3/4/95.]