(1) Confined spaces. In confined spaces you must perform welding or cutting involving zinc-bearing base or filler metals or metals coated with zinc-bearing materials in accordance with WAC 296-24-71507 (1) through (5).
(2) Indoors. Indoors, you must perform welding or cutting involving zinc-bearing base or filler metals coated with zinc-bearing materials in accordance with WAC 296-24-71505 (1) and (2).
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 15-24-100, § 296-24-71511, filed 12/1/15, effective 1/5/16; Order 73-5, § 296-24-71511, filed 5/9/73 and Order 73-4, § 296-24-71511, filed 5/7/73.]