| (a) No person may cause, suffer, allow, or permit emissions
of sulfur dioxide (SO2) from any liquid
fuel-fired steam generator, furnace, or heater to exceed 440 parts
per million by volume (ppmv) at actual stack conditions and averaged
over a three-hour period.
(b) If a source has an effective stack height less
than the standard effective stack height as determined from the equation:
Attached Graphic
then, the allowable emission concentration must be reduced
by multiplying it by the short-stack reduction factor.
(c) No later than July 31, 1993, no person in Harris
or Jefferson County may cause, suffer, allow, or permit the use of
liquid fuel for combustion from any stationary liquid fuel-fired
steam generator, furnace, or heater with a sulfur content greater
than 0.3% by weight or emissions of SO2 from
any liquid fuel-fired steam generator, furnace, or heater to exceed
150 ppmv, as calculated based on 20% excess air and as averaged over
a three-hour period. The requirements of this subsection are not intended
to apply to sulfuric acid plants.
(d) Except as provided in subsection (e) of this section,
beginning September 30, 1994, liquid fossil fuel-fired steam generators
of greater than 250 MMBtu heat input per hour which are equipped with
SO2 control equipment shall be equipped
with a continuous emissions monitoring system (CEMS) for SO2. The CEMS shall be installed, calibrated,
and operated as specified in 40 Code of Federal Regulations Part
51, Appendix P, hereby incorporated by reference.
(e) In lieu of the requirements of subsection (d) of
this section, beginning September 30, 1994, sources subject to the
Federal Clean Air Act, §412(c), as amended in 1990 shall meet
the requirements of §412(c) and the regulations promulgated thereunder.
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