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Best Available Control Technology (BACT ) Guideline 3.4.2
Last Update: 10/1/2002


Gas Turbine - = or > 50 MW, Uniform Load, with Heat Recovery
Pollutant Achieved in Practice or in the SIP Technologically Feasible Alternate Basic Equipment
CO6.0 ppmv @ 15% O2 (Oxidation catalyst, or equal)4.0 ppmv @ 15% O2 (Oxidation catalyst, or equal)
NOx2.5 ppmv dry @ 15% O2 (1-hr average, excluding startup and shutdown), (Selective catalytic reduction, or equal)2.0 ppmv dry @ 15% O2 (1-hr average, excluding startup and shutdown), (Selective catalytic reduction, or equal)
PM10Air inlet filter cooler, lube oil vent coalescer and natural gas fuel, or equal
SOx1. PUC-regulated natural gas or 2. Non-PUC-regulated gas with no more that 0.75 grams S/100 dscf, or equal.
VOC2.0 ppmv @ 15% O21.5 ppmv @ 15% O2
** Applicability lowered to > 50 MW pursuant to CARB Guidance for Permitting Electrical Generation Technologies. Change effective 10/1/02. Corrected error in applicability to read 50 MW not 50 MMBtu/hr effective 4/1/03.

BACT is the most stringent control technique for the emissions unit and class of source. Control techniques that are not achieved in practice or contained in s a state implementation plan must be cost effective as well as feasible. Economic analysis to demonstrate cost effectiveness is requried for all determinations that are not achieved in practice or contained in an EPA approved State Implementation Plan.

This is a Summary Page for this Class of Source. For background information, see Permit Specific BACT Determinations on Details Page.