Haw. Code R. §§ 11-261.1054 - Standards: Pressure relief devices in gas/vapor service
(a)
Except during pressure releases, each pressure relief device in gas/vapor
service shall be operated with no detectable emissions, as indicated by an
instrument reading of less than 500 ppm above background, as measured by the
method specified in § 261.1063(c).
(b)
(1)
After each pressure release, the pressure relief device shall be returned to a
condition of no detectable emissions, as indicated by an instrument reading of
less than 500 ppm above background, as soon as practicable, but no later than 5
calendar days after each pressure release, except as provided in §
261.1059.
(2) No later than 5
calendar days after the pressure release, the pressure relief device shall be
monitored to confirm the condition of no detectable emissions, as indicated by
an instrument reading of less than 500 ppm above background, as measured by the
method specified in § 261.1063(c).
(c) Any pressure relief device that is
equipped with a closed-vent system capable of capturing and transporting
leakage from the pressure relief device to a control device as described in
§ 261.1060 is exempt from the requirements of paragraphs (a) and (b) of
this section.
Notes
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