1. Air Resources Board California Environmental Protection Agency CCOS STATUS REPORT Policy Committee Meeting Saffet Tanrikulu, Ph.D. October 25, 2002

2. CCOS Status Report Presentation overview Progress of ongoing projects Status of overall CCOS projects Schedule Consent contract Seasonal modeling

3. CCOS Status Report Progress of ongoing projects QA/QC of field data Data analysis Meteorological modeling Emissions inventory development Air quality modeling

4. CCOS Status Report QA/QC of field data QA/QC of entire database-DRI Additional QA/QC of episode periods July 30-August 2, 2000 September 17-20, 2000 June 14-15, 2000

5. CCOS Status Report Data analysis Data analysis continues T&B Systems UC (overhead problem)

6. CCOS Status Report Meteorological modeling July-August episode simulated by NOAA- MM5, NoFDDA Investigative simulations to follow FDDA file is being prepared September episode to follow RAMS effort Other episodes to follow August 3-6, 1990 and June 14-15, 2000

7. CCOS Status Report Emissions inventory development On-Road emissions inventory-EMFAC 2002 Biogenic emissions-BEIGIS Other emissions-CEIDARS Day specific inventory for July-August and September episodes ARB prepares CCOS emissions inventory Inventory development coordinated with districts Assistance provided by AG

8. CCOS Status Report Air quality modeling Model evaluation and comparison in progress- UCR Grid resolution tested SAQM, CMAQ and CAMx CBM-IV and SAPRC chemical mechanisms evaluated

9. CCOS Status Report Consent contract Convert/Audit SAQM for the CCOS domain

10. CCOS Status Report Status of overall CCOS projects A draft report submitted by DRI For each project –Description –Objectives –Benefits –Budget and priority by TC

11. CCOS Status Report Status of overall CCOS projects (Cont.) Projects are grouped in 4 tables Table 1-Preliminary data analysis and EI projects Table 2-Data analysis, EI and modeling projects Tables 1&2 provide information for the ongoing SIP Table 3-Additional CCOS projects Table 4-Deposition study

12. CCOS Status Report Seasonal modeling Benefits Model evaluation for both high and low ozone days Modeling information for 8-hour SIP Approaches for PM 2.5 modeling Provide information on data needs for modeling and analysis

13. CCOS Status Report Seasonal modeling (Cont.) Potential participants Meteorological modeling-NOAA Emissions inventory development-ARB, UCB Air quality modeling-CRPAQS, UCB Model evaluation-UCB

14. CCOS Status Report Seasonal modeling (Cont.) Funding needed ($unknown)-DOE, CRPAQS- CCOS Schedule-Complete December 2004 TC recommends this project to be included in Table 3 Refined work statement and budget in preparation PC’s approval is requested to continue working on this project