Wash. Admin. Code § 220-359-070
Order 77-14, § 220-32-056, filed 4/15/77; Order 76-26, § 220-32-056, filed 1:45 p.m., 4/20/76; Order 915, § 220-32-056, filed 3/4/71.
Wash. Admin. Code § 220-359-070
Order 77-14, § 220-32-056, filed 4/15/77; Order 76-26, § 220-32-056, filed 1:45 p.m., 4/20/76; Order 915, § 220-32-056, filed 3/4/71.