# Air Resources Board Mary D. Nichols, Chairman
Linda S. Adams Acting Secretaryfor EnvironmentalProtection 1001 I Street· P.O. Box 2815 Sacramento, California 95812 •www.arb.ca.gov Edmund G. BrownJr.

May 18, 2011

Mr. Jared Blumenfeld Regional Administrator Region 9 U.S. Environmental Protection Agency 75 Hawthorne Street San Francisco, California 94105 Dear Mr. Blumenfeld: Governor

The Air Resources Board (ARB or Board) is submitting to the U.S. Environmental Protection Agency (U.S. EPA) revisions to California's State Implementation Plans (SIP) forthe federal fine particulate matter (PM2.5) standard. ·On April 28, 2011, the Board approved for adoption revisions to the South Coast and San Joaquin Valley PM2.5 SIPs primarily to accountfor State and local rulemaking actions thatwill reduce PM2.5 precursoremissions bythe 2014 attainment deadline. This SIP revision updates three elements ofthe PM2.5 SIPs forthe South Coast and San Joaquin Valley: ARB's rulemaking calendar, transportation conformity budgets, and reasonable further progress calculations. Revisions to the local element ofthe South Coast PM2.5 SIP have also been approved by ARB and are being submitted under separate cover letter. The submittal includes one hard copy and one identical electronic copy ofthefollowing materials (enclosed): 1. The Progress Report on Implementation of PM2.5 SIPs forthe South Coast and San Joaquin ValleyAir Basins and Proposed SIP Revisions (Progress Report and Proposed SIP Revisions). The Progress Report and Appendices "A", "E", and "G" are being transmitted for informational purposes. The specific SIP submittal thatthe Board approved for adoption is as follows:

• Appendix B: Rulemaking Calendar. • Appendix C: Reasonable Further Progress Tables. • Appendix D: Transportation Conformity Budgets. 2. ARB Resolution 11-24 approving the Progress Report and Proposed SIP Revisions.

The energychallenge facing California is real. Every Californian needs to take immediate action to reduce energyconsumption. Fora listofsimple waysyou can reduce demandandcutyourenergycosts, see ourwebsite: http://www.arb.ca.gov. California Environmental Protection Agency
Printedon RecycledPaperMr. Jared Blumenfeld May 18, 2011 Page 2

3. Executive Order S-11-010 finalizing the adoption ofthe Progress Report and Proposed SIP Revisions. 4. Public Hef::lring Notice evidence and transcripts ofthe April 28, 2011 ARB Board Hearing to consider approval ofthe Progress Report and Proposed SIP Revisions. 5. SIP completeness checklist. Ifyou have any questions, please call Ms. Lynn Terry, Deputy Executive Officer, at (916) 322-2739 or have your staffcontact Mr. Douglas Ito, Chief, Air Quality and Transportation Planning Branch, at (916) 322-0285. Sincerely,

# ~ James N.

# G~Mie Executive Officer Enclosures

cc: (with enclosures 1-3 only) Deborah Jordan, Director Region 9, Air Division U.S. Environmental Protection Agency 75 Hawthorne Street San Francisco, California 94105 BarryWallerstein Executive Officer South Coast Air QualityManagement District 21865 Copley Drive Diamond Bar, California 91765 Continued next page.Mr. Jared Blumenfeld May 18, 2011 Page 3

cc: (continued) Seyed Sadredin Executive Director/Air Pollution Control Officer San Joaquin ValleyAir Pollution Control District 1990 

### E. Gettysburg Avenue Fresno, California 93726 Hasan lkhrata Executive Director Southern California Association ofGovernments 818West 7th Street, 12th Floor Los Angeles, California 90017 Tony Boren Executive Director Council of Fresno County Governments 2035 Tulare Street, Suite 201 Fresno, California 93721 Ronald Brummett Executive Director Kern Council ofGovernments 1401 19th Street, Suite 300 Bakersfield, California 93301 Terri King Executive Director Kings CountyAssociation ofGovernments 339 West "D" Street, Suite B Lemoore, California 93245 Patricia Taylor Executive Director Madera CountyTransportation Commission 2001 Howard Road, Suite 201 Madera, California 93637 Continued next page.Mr. Jared Blumenfeld May 18, 2011 Page4

cc: (continued) Jesse Brown Executive Director Merced CountyAssociation of Governments 369 West 18th Street Merced, California 95340 Andrew Chesley Executive Director San Joaquin Council ofGovernments 555 EastWeberAvenue Stockton, California 95202 Vince Harris Executive Director Stanislaus Council ofGovernments 1111 "I" Street, Suite 308 Modesto, Califorhia 95354 Ted Smalley Executive Director Tulare County Association ofGovernments Resource ManagementAgency Tulare

County Government Plaza 5955 South Mooney Boulevard Visalia, California 93277 Lynn Terry Deputy Executive Officer Air Resources Board Douglas Ito, Chief Air Quality and Transportation Pl?nning Branch Air Resources Board