Air Resources Board 

Mary D. Nichols, Chairman 

1001 1 Street P.O. Box 281 5 

Linda S. Adams Sacramento, California 95812 www.arb.ca.gov Arnold Schwarzenegger 

Secretary for Governor 

Environmental Protection 

July 22, 2008 

Mr. Wayne Nastri 

Regional Administrator 

U.S. Enviror~mental Protection Agency 

Region 9 

75 Hawthorne Street 

San Francisco, California 941 05 

Dear Mr. Nastri: 

The Air Resources Board (ARB) hereby subrr~its to the U.S. Environmental Protection 

Agency (U.S. EPA) the Western Mojave Desert 8-Hour Ozone Attainment Plan (Plan) 

as a revision to California's State Implementation Plan (SIP). The Plan sets out a 

strategy for attaining the federal $-hour ozone standard in the Western Mojave Desert 

Ozone Nonattainment Area. 

The Western Mojave Desert Ozone Nonattainment Area consists of the Antelope Valley 

portion of Los Angeles County and the southwestern portion of San Bernardino County. 

'The Antelope Valley Air Quality Management District (AVAQMD) has jurisdiction over 

the Los Angeles County portion of the Western Mojave Desert. The Mojave Desert Air 

Quality Management District (MDAQMD) has jurisdiction over the San Bernardino 

County portion of the Western Mojave Desert. The AVAQMD and MDAQMD have each 

adopted an attainment demonstration plan for their respective jurisdictions. The plans 

include identical transportation conformity budgets and Reasonable Further Progress 

(RFP) plans covering the entire Western Mojave Desert nonattainment area. 

The AVAQMD adopted its plan on May 20, 2008, while the MDAQMD adopted its' plan 

on June 9,2008. ARB approved the Western Mojave Desert Plan on June 26,2008. 

The Plan addresses all federal plarlning requirements, demonstrates attainment of the 

8-hour standard by 2021, demonstrates Reasonable Further Progress, and includes 

transportation conformity budgets. 

This package consists of five copies of the materials identified below. 

I) A June 17, 2008, letter from Mr. Alan J. De Salvio, Supervising Air Quality 

Engineer, transmitting: 

The energy challenge facing California is real. Every Californian needs to take immediate action to reduce energy consumption. 

For a list of simple ways you can reduce demand and cut your energy costs, see our website: http:llwww.arb.ca.ac~v. 

California Environmental Protection Agency 

Printed on Recycled Paper 
Mr. Wayne Nastri 

July 22, 2008 

Page 2 

The MDAQMD Federal 8-Hour Ozone Attainment Plan with the following 

documents: 

o Resolution of the MDAQMD Board approving and adopting the 

Western Mojave Desert 8-Hour Ozone Attainment Plan. 

o Certified Minute Item. 

o The Notice of Exerr~ption (for Riverside and San Bernardino 

Counties). 

o The official affidavits of publication of the Hearing Notice for the 

MDAQMD Federal 8-Hour Ozone Attainment Plan, dated 

April 25, 2008. 

II) A June 17, 2008, letter from Mr. Alan J. De Salvio, Supervising Air Quality 

Engineer, transmitting: 

The AVAQMD Federal 8-Hour Ozone Attainment Plan with the following 

documents: 

o Resolution of the AVAQMD Board approving and adopting the 

Western Mojave Desert 8-Hour Ozone Attainment Plan. 

o Certified Minute Item. 

o The Notice of Exemption (for Los Angeles County). 

o The official affidavit of publication of the Hearirlg Notice for the 

AVAQMD Federal 8-Hour Ozone Attainment Plan, dated 

April 20, 2008. 

Ill) ARB staff report, Analysis of the Western Moiave Desert and Ventura 

County 8-Hour Ozone Attainment Plans, dated June 13, 2008. 

IV) ARB Public Meeting Notice for the ARB June 26, 2008 Public Meetiny to 

Consider Approval of the Western Mojave Desert 8-Hour Ozone Attainment 

Plan. 

V) ARB Resolution 08-26 adopting the Western Mojave Desert 8-Hour Ozone 

Attainment Plan. 

VI) A SIP Completeness Checklist. 
Mr. Wayne Nastri 

July 22, 2008 

Page 3 

If you have any questions, please call Ms. Lynn Terry, Deputy Executive Officer, at 

(916) 322-2739, or have your staff contact Mr. Kurt Karperos, Chief, Air Quality and 

Transportation Planning Branch, at (91 6) 322-0285. 

Sincerely, 

my, (pa +w 

James N. Goldst e 

Executive Officer f 

Enclosures L 

cc: (W/O enclosures) 

Ms. Debbie Jordan, Director 

U.S. Environmental Protection Agency 

Air Division-Region 9 

75 Hawthorne Street 

San Francisco, California 941 05 

Mr. Eldon Heaston 

Executive Officer 

Mojave Desert 

Air Quality Management District 

14306 Park Avenue 

Victorville, California 92392 

Mr. Eldon Heaston 

Executive Officer 

Antelope Valley 

Air Quality Management District 

43301 Division Street, Suite 206 

Lancaster, California 93535 

Ms. Lynn Terry 

Deputy Executive Officer 

Mr. Kurt Karperos 

Planning and Technical Support Division