1. PM2.5 Working Group Meeting #3 South Coast Air Quality Management District August 22, 2006

2. Implementation Timetable Complete LST look-up tables Complete LST look-up tables Recommendations to Governing Board Meeting on October 6, 2006 Recommendations to Governing Board Meeting on October 6, 2006 Effective Dates: Effective Dates:  Begin public outreach after Board approval  Begin IGR commenting for NOPs/ISs 1/2007  Implement for new AQMD lead agency projects after Board approval  Initial PM2.5 mitigation measures on AQMD CEQA webpage by end of 8/2006

3. Proposed Mitigation Measures Off-Road & On-Road Engines

4. Primary Sources Off-road engines Off-road engines  Cargo Handling Equipment  Construction Equipment On-road engines On-road engines  Haul Trucks Other sources Other sources  Marine vessels  Locomotives Airports Airports Fugitive Dust Fugitive Dust

5. Off-Road / On-Road Engines New/Re-power with Tier 2, 3, or 4 engine New/Re-power with Tier 2, 3, or 4 engine Control Technologies – Level 1, 2 or 3 Control Technologies – Level 1, 2 or 3  Diesel Oxidation Catalyst (DOC)  Diesel Particulate Filter (DPF) Alternative Technologies Alternative Technologies  Electrification  Natural gas  LPG  Water/diesel emulsion

6. Next Steps Include other sources such as marine vessels, locomotives, construction and fugitive dust Include other sources such as marine vessels, locomotives, construction and fugitive dust Initial PM2.5 mitigation measures on AQMD CEQA webpage by end of 8/2006 Initial PM2.5 mitigation measures on AQMD CEQA webpage by end of 8/2006