6A324AD094DA6C0687258A4700618407 Hearing Summary CLICS/CLICS2023A/commsumm.nsf PUBLICBILL SUMMARY For REGIONAL AIR QUALITY COUNCIL PRESENTATIONINTERIM COMMITTEE LEGISLATIVE INTERIM COMMITTEE ON OZONE AIR QUALITYDate Oct 13, 2023 Location Old State Library Regional Air Quality Council Presentation - Committee Discussion Only Attachment Tag File Name Attachment F http://www2.leg.state.co.us/CLICS/CLICS2023A/commsumm.nsf/0/EEA3E06706FA...$File/Attachment F.pdf?OpenElement Attachment F.pdf 11:45:09 AM The committee took a brief recess. 11:56:50 AM The committee came back to order. 11:56:59 AM Mike Foote, Chair of the Board of the Regional Air Quality Council (RAQC), introduced himself as well as his colleagues: Mike Silverstein and Alicia Johnson. RAQC's presentation is included as Attachment F. Mr. Foote gave some opening remarks and perspectives. Ms. Johnson introduced herself and explained her local perspective. Mr. Silverstein went over the RAQC's role and formation as a non-profit advisory organization, how the RAQC is funded, how the Denver metro area has performed in past years, how it performed this year, estimate of emissions by source category, general contribution to front range summertime ozone concentrations, 2008 ozone standard severe SIP planning milestones, 2017 ozone standard (70ppb) serious SIP planning milestones. Mr. Silverstein went over the 2026 ozone projections for 75ppb SIP, RAQC emission control strategy assessments, additional components not included in modelling, lawn and garden equipment emissions and next steps, and incentives to assist with compliance. He discussed the $7M funding request from the RAQC to the legislature to further their incentive programs. Finally, Mr. Silverstein went over the RAQC perspectives on issues brought up to the committee in previous meetings. 12:40:54 PM Mr. Silverstein answered questions from the committee about trends in emissions, data sources, what "general contribution" means. He also answered questions about other options for reducing emissions and on pinpointing the concentrations of sources of ozone.