Wash. Admin. Code § 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.
Notes
Statutory 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.
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