S.C. Code Regs. 61-79.261.BB.1052 - Standards: Pumps in light liquid service
(a)
(1)
Each pump in light liquid service shall be monitored monthly to detect leaks by
the methods specified in section 261.1063(b), except as provided in paragraphs
(d), (e), and (f) of this section.
(2) Each pump in light liquid service shall
be checked by visual inspection each calendar week for indications of liquids
dripping from the pump seal.
(b)
(1) If
an instrument reading of ten thousand (10,000) parts per million (ppm) or
greater is measured, a leak is detected.
(2) If there are indications of liquids
dripping from the pump seal, a leak is detected.
(c)
(1)
When a leak is detected, it shall be repaired as soon as practicable, but not
later than fifteen (15) calendar days after it is detected, except as provided
in section 261.1059.
(2) A first
attempt at repair (e.g., tightening the packing gland) shall be made no later
than five (5) calendar days after each leak is detected.
(d) Each pump equipped with a dual mechanical
seal system that includes a barrier fluid system is exempt from the
requirements of paragraph (a) of this section, provided the following
requirements are met:
(1) Each dual mechanical
seal system must be:
(i) Operated with the
barrier fluid at a pressure that is at all times greater than the pump stuffing
box pressure, or
(ii) Equipped with
a barrier fluid degassing reservoir that is connected by a closed-vent system
to a control device that complies with the requirements of section 261.1060,
or
(iii) Equipped with a system
that purges the barrier fluid into a hazardous secondary material stream with
no detectable emissions to the atmosphere.
(2) The barrier fluid system must not be a
hazardous secondary material with organic concentrations ten (10) percent or
greater by weight.
(3) Each barrier
fluid system must be equipped with a sensor that will detect failure of the
seal system, the barrier fluid system, or both.
(4) Each pump must be checked by visual
inspection, each calendar week, for indications of liquids dripping from the
pump seals.
(5)
(i) Each sensor as described in paragraph
(d)(3) of this section must be checked daily or be equipped with an audible
alarm that must be checked monthly to ensure that it is functioning
properly.
(ii) The remanufacturer
or other person that stores or treats the hazardous secondary material must
determine, based on design considerations and operating experience, a criterion
that indicates failure of the seal system, the barrier fluid system, or
both.
(6)
(i) If there are indications of liquids
dripping from the pump seal or the sensor indicates failure of the seal system,
the barrier fluid system, or both based on the criterion determined in
paragraph (d)(5)(ii) of this section, a leak is detected.
(ii) When a leak is detected, it shall be
repaired as soon as practicable, but not later than fifteen (15) calendar days
after it is detected, except as provided in section 261.1059.
(iii) A first attempt at repair (e.g.,
relapping the seal) shall be made no later than five (5) calendar days after
each leak is detected.
(e) Any pump that is designated, as described
in section 261.1064(g)(2), for no detectable emissions, as indicated by an
instrument reading of less than five hundred (500) ppm above background, is
exempt from the requirements of paragraphs (a), (c), and (d) of this section if
the pump meets the following requirements:
(1)
Must have no externally actuated shaft penetrating the pump housing.
(2) Must operate with no detectable emissions
as indicated by an instrument reading of less than five hundred (500) ppm above
background as measured by the methods specified in section
261.1063(c).
(3) Must be tested for
compliance with paragraph (e)(2) of this section initially upon designation,
annually, and at other times as requested by the Department.
(f) If any pump is equipped with a
closed-vent system capable of capturing and transporting any leakage from the
seal or seals to a control device that complies with the requirements of
section 261.1060, it is exempt from the requirements of paragraphs (a) through
(e) of this section.
Notes
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