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Best Available Control Technology (BACT ) Guideline 4.3.9
Last Update: 3/3/1999


Metal Product Coating - Large Steel Structures, = or < 64 lb VOC/day, Indoor Operation
Pollutant Achieved in Practice or in the SIP Technologically Feasible Alternate Basic Equipment
PM10HVLP GunEnclosed painting operation with filter on exhaust vent
VOCCoating with a low VOC content (2.5 lb/gal less water and exempt compounds) and HVLP spray gun or equivalent application method.1) Thermal incineration using coatings with a low VOC content (2.5 lb/gal less water and exempt compounds) and total enclosure 2) Catalytic incineration using coatings with a low VOC content (2.5 lb/gal less water and exempt compounds) and total enclosure 3) Carbon adsorption using coatings with a low VOC content (2.5 lb/gal less water and exempt compounds) and total enclosure


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.