Matthew Rodriquez Secre tary f or Environm ental Protect ion April7 , 2015 Mr. Jared Blumenfeld Regional Administrator 

# Air Resources Board Mary D . Nichols, Chairman

1 00 1 I Street • P . O . Box 2815 Sacramento , California 95812 • www . arb . ca . gov

U . S . Environmental Protect i on Agency Region 9 75 Hawthorne Street San Francisco , California 94105 Dear Mr. Blumenfeld : Edmund G . Brown Jr. Go v ernor

Enclosed are revisions to the Californ i a State Implementation Plan (SIP) . These revis i ons consist of adopted and amended rules from the air pollution control and air quality management districts (districts) listed below . The districts are as follows : Monterey Bay Unified Air Pollution Control District San Joaquin Valley Air Pollution Control District South Coast Air Quality Management District Ventura County Air Pollution Control District Also enclosed is the Air Resources Board (ARB) Execut ive Order S-15-002 adopting the districts ' rules , listed in Enclosure A , as rev isions to the SIP . To meet the U . S . Environmental Protection Agency criteri a for determ i ning that rule submittals are administratively and technically complete, we have enclosed evaluations of the effects of the rules on emissions , evaluations of the rules ' consistency with 40 CFR 51 , and other supporting documentation provided to us by the districts . One compact disc and one paper copy , each contain i ng the revisions in their entirety , are enclosed . If you have any questions, please have your staff contact Karen Magliano , Chief, Air Quality Planning and Science Division , at (916) 322-5350 or by email at Karen . Magliano@arb .ca . gov . S i ncerely ,

E xecut ive Officer En c losures cc : see next page

The energy chall enge facing Cali fornia is real . E v ery Ca l if

ornian needs t o t

ake i mmed ia t

e action to r educe en ergy cons u mp tion . For a list o f simple ways yo u can red uce demand and c ut your energy costs, s ee o u r w ebsite: http ://www . a rb . ca.gov. 

### Ca liforn ia E nv ironm e nta l P rotection Ag e n cy Printed on Recycled PaperMr. Jared Blumenfeld Page 2

cc : Richard Stedman Air Pollution Control Officer Monterey Bay Unified Air Pollution Control District 24580 Silver Cloud Court Monterey , California 93940 Seyed Sadredin Executive Director/ Air Pollution Control Officer San Joaquin Valley Unified Air Pollution Control District 1990 East Gettysburg Avenue Fresno , California 93726 Barry Wallerstein Executive Officer South Coast Air Quality Management District 21865 Copley Drive Diamond Bar, California 91765-4182 Mike Villegas Air Pollution Control Officer Ventura County Air Pollution Control District 669 County Square Drive Second Floor Ventura , California 93003 Karen Magliano , Chief Air Quality Planning and Science DivisionMr . Jared Blumenfeld Page 3 bee : Kurt Karperos , EO Christina Morkner Brown , OLA Pam Biggins , ASD (1 05 Grant Conditions) Sylvia Vanderspek , AQPS Carol Sutkus , AQPS Austin Hicks , AQPS Monica Lewis , AQPS Mr. Andy Steckel , Chief Rulemaking Office (Air-4) U . S . Environmenta l Protection Agency Region 9 75 Hawthorne Street San Francisco , California 95105 Mr . Kenneth Koyama Executive Director California Air Pollution Control

Officers Association 1107 Ninth Street, Suite 210 Sacramento , California 95814 EO Chron (with Enclosures) AQPS Chron (with Enclosures ) Assignment: AQPS #9402/ ARB #18921 B :\RULES\CARB yyyy-mm-dd\CARB SIP 2015-02-19\Cover Letter .doc Enclosures : B :\RULES\CARB yyyy-mm-dd\CARB SIP 2015-02-19\Executive Order S-15- 002 .doc B :\R ULES\CARB yyyy-mm-dd\CARB SIP 2015-02-19\Enclosure A.doc