Secondary containment, including prefabricated secondary containment, shall not have discharge outlets or valves. Discharge outlets or valves on existing secondary containment shall be sealed. Secondary containments may be interconnected.
Wash. Admin. Code § 16-201-050
Statutory Authority: RCW 15.54.800. 00-23-075, § 16-201-050, filed 11/17/00, effective 12/18/00. Statutory Authority: RCW 15.54.800 and 15.58.040. 93-22-093 (Order 5018), § 16-201-050, filed 11/2/93, effective 3/1/94.