(A) the increase in NOX emissions
at the non-ESAD unit is determined using a CEMS or PEMS that meets
the requirements of §117.340(f) or (g) of this title, or through
stack testing that meets the requirements of §117.335(e) of this
title; and
(B) a deduction in allowances equal to the increase
in NOX emissions at the non-ESAD unit
is made as specified in §101.354 of this title (relating to Allowance
Deductions);
(4) a source that met the definition of major source
on December 31, 2000, is always classified as a major source for purposes
of this chapter. A source that did not meet the definition of major
source (i.e., was a minor source, or did not yet exist) on December
31, 2000, but at any time after December 31, 2000, becomes a major
source, is from that time forward always classified as a major source
for purposes of this chapter; and
(5) the availability under subsection (a)(17) of this
section of an emission specification for units with an annual capacity
factor of 0.0383 or less is based on the unit's status on December
31, 2000. Reduced operation after December 31, 2000, cannot be used
to qualify for a more lenient emission specification under subsection
(a)(17) of this section than would otherwise apply to the unit.
(f) Operating restrictions. No person shall start or
operate any stationary diesel or dual-fuel engine for testing or maintenance
between the hours of 6:00 a.m. and noon, except:
(1) for specific manufacturer's recommended testing
requiring a run of over 18 consecutive hours;
(2) to verify reliability of emergency equipment (e.g.,
emergency generators or pumps) immediately after unforeseen repairs.
Routine maintenance such as an oil change is not considered to be
an unforeseen repair; or
(3) firewater pumps for emergency response training
conducted in the months of April through October.
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