Section 296-99-060 - How must filter collectors be installed?(1) You must ensure that, on a pneumatic dust collection system, each fabric dust filter collector has a monitoring device that will show a pressure drop across the surface of its filter.(2) You must ensure that each filter collector installed after March 30, 1988, is: (a) Located outside the facility; or(b) When located inside the facility, protected by an explosion suppression system; or(c) Isolated by a structure with at least a one hour fire-resistance rating:(i) Next to an exterior wall;(ii) Vented to the outside; and(iii) The vent and ductwork must resist rupture from intense heat.Wash. Admin. Code § 296-99-060
Amended by WSR 17-16-132, Filed 8/1/2017, effective 9/1/2017Statutory Authority: Chapter 49.17 RCW. 97-22-065, § 296-99-060, filed 11/3/97, effective 1/1/98; 88-23-054 (Order 88-25), § 296-99-060, filed 11/14/88.