Ill. Admin. Code tit. 35, § 724.953 - Standards: Compressors
a) Each
compressor must be equipped with a seal system that includes a barrier fluid
system and that prevents leakage of total organic emissions to the atmosphere,
except as provided in subsections (h) and (i).
b) Each compressor seal system, as required
in subsection (a), must be as follows:
1)
Operated with the barrier fluid at a pressure that is at all times greater than
the compressor stuffing box pressure; or
2) Equipped with a barrier fluid system that
is connected by a closed-vent system to a control device that complies with the
requirements of Section
724.960;
or
3) Equipped with a system that
purges the barrier fluid into a hazardous wastestream with no detectable
emissions to atmosphere.
c) The barrier fluid must not be a hazardous
waste with organic concentrations 10 percent or greater by weight.
d) Each barrier fluid system, as described in
subsections (a) through (c), must be equipped with a sensor that will detect
failure of the seal system, barrier fluid system, or both.
e) Failure Detection
1) Each sensor as required in subsection (d)
must be checked daily or must be equipped with an audible alarm that must be
checked monthly to ensure that it is functioning properly, unless the
compressor is located within the boundary of an unmanned plant site, in which
case the sensor must be checked daily.
2) The owner or operator must determine,
based on design considerations and operating experience, a criterion that
indicates failure of the seal system, the barrier fluid system, or
both.
f) If the sensor
indicates failure of the seal system, the barrier fluid system, or both based
on the criterion determined under subsection (e)(2), a leak is
detected.
g) Repairs
1) When a leak is detected, it must be
repaired as soon as practicable, but not later than 15 calendar days after it
is detected, except as provided in Section
724.959.
2) A first attempt at repair (e.g.,
tightening the packing gland) must be made no later than five calendar days
after each leak is detected.
h) A compressor is exempt from the
requirements of subsections (a) and (b) if it is equipped with a closed-vent
system capable of capturing and transporting any leakage from the seal to a
control device that complies with the requirements of Section 724.960, except
as provided in subsection (i).
i)
Any compressor that is designated, as described in Section
724.964(g)(2),
for no detectable emission as indicated by an instrument reading of less than
500 ppm above background, is exempt from the requirements of subsections (a)
through (h) if the following is true of the compressor:
1) It is determined to be operating with no
detectable emissions, as indicated by an instrument reading of less than 500
ppm above background, as measured by the method specified in Section
724.963(c).
2) It is tested for compliance with
subsection (i)(1) initially upon designation, annually and other times, as
specified in the RCRA permit.
Notes
Amended at 27 Ill. Reg. 3725, effective February 14, 2003
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