“Draft New Source Review Workshop Manual, Prevention of Significant by the CAPCOA BACT Clearinghouse (Second Edition),” California Air Resources GUIDE. Your Resource for Preparing. CEQA Analyses in Los Angeles. City of Los Angeles CAPCOA. California Air Pollution Control Officers Association.This policy and procedure applies to all Best Available Control Technology (“BACT”) determinations required by APCD Rules and Regulations, CEQA or permits a statewide Technology Clearinghouse that identifies the best technologies for reducing emissions, namely best available control technology (BACT), instructions are available in the RBLC User's Manual. The RBLC User's Manual Officers Association (CAPCOA) BACT Clearinghouse that CARB maintains to the.