All units subject to the emission specifications in §117.205
of this title (relating to Emission Specifications for Reasonably
Available Control Technology (RACT)) must be operated to minimize
nitrogen oxides (NOX ) emissions, consistent
with the emission control techniques selected, over the unit's operating
or load range during normal operations. Such operational requirements
include the following.
(1) Each unit controlled with post-combustion control
techniques must be operated such that the reducing agent injection
rate is maintained to limit NOX concentrations
to less than or equal to the NOX concentrations
achieved at maximum rated capacity.
(2) Each gas-fired lean-burn stationary reciprocating
internal combustion engine must be checked for proper operation of
the engine according to §117.8140(b) of this title (relating
to Emission Monitoring for Engines).
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