Org Chart - Monitoring and Laboratory Division

This page last reviewed March 14, 2014

Monitoring and Laboratory Division Mission Statement:

To support California's Air Quality Management Program by providing timely and accurate ambient and source level measurements to define the nature, extent and trend of air quality in the state. For more detailed information pertaining to the division's mission and activities, please review the Mission, Vision and Accomplishments Document.


Monitoring and Laboratory Division Organizational Chart (PDF)




Michael Benjamin, Chief

  • Telephone: (916) 323-2915
  • Mailing Address:
    California Air Resources Board
    P.O. Box 2815
    Sacramento, CA 95812
  • Street Address:
    1927 13th Street,
    Sacramento, CA 95814

Evaporative Controls & Certification Branch

Manjit Ahuja, Chief

  • Telephone: (916) 327-4722
  • Mailing Address:
    California Air Resources Board
    P.O. Box 2815
    Sacramento, CA 95812
  • Street Address:
    1927 13th Street,
    Sacramento, CA 95814
Angus MacPherson, Testing & Certification Section
  • Telephone: (916) 445-4686
  • Mailing Address: Same as above
Jim Watson, Engineering & Regulation Development Section
  • Telephone: (916) 327-1282
  • Mailing Address: Same as above
Aimee Davis, Staff Services Manager I
  • Telephone: (916) 322-3289
  • Fax: (916) 327-8217
  • Mailing Address: Same as above

Air Quality Surveillance Branch

Ken Stroud, Chief

  • Telephone: (916) 445-3745
  • Mailing Address:
    California Air Resources Board
    P.O. Box 2815
    Sacramento, CA 95812
  • Street Address:
    1927 13th Street,
    Sacramento, CA 95814
Joe Guerrero, P.E., Air Monitoring North Section
  • Telephone: (916) 324-7591
  • Mailing Address: Same as above
Fernando Amador, Air Monitoring South Section
  • Telephone: (626) 575-6635
  • Mailing Address:
    California Air Resources Board
    9480 Telstar Avenue
    El Monte, CA 91731
Mac McDougall, Special Purpose Monitoring Section
  • Telephone: (916) 327-4720
  • Mailing Address: Same as above
Reginald Smith, Operations Support Section
  • Telephone: (916) 327-1238
  • Mailing Address: Same as above

Northern Laboratory Branch

Cindy Castronovo, Chief

  • Telephone: (916) 322-8957 (1927 13th Street)
  • Mailing Address:
    California Air Resources Board
    P.O. Box 2815
    Sacramento, CA 95812
  • Street Address:
    1927 13th Street,
    Sacramento, CA 95811
Russell Grace, Special Analyses Section
  • Telephone: (916) 322-2496
  • Mailing Address: Same as above
Kathleen Gill, Organic Laboratory Section
  • Telephone: (916) 445-9483
  • Mailing Address: Same as above
Michael Werst, Inorganic Laboratory Section
  • Telephone: (916) 322-6202
  • Mailing Address: Same as above

Quality Management Branch

Mike Miguel, Chief

  • Telephone: (916) 322-6043 
  • Mailing Address:
    California Air Resources Board
    P.O. Box 2815
    Sacramento, CA 95812
  • Street Address:
    1927 13th Street,
    Sacramento, CA 95811
Ranjit Bhullar, Quality Assurance Section
  • Telephone: (916) 322-0223
  • Mailing Address: Same as above
Patrick Rainey, Quality Management Section
  • Telephone: (916) 327-4756
  • Mailing Address: Same as above
Jeff Wright, Data Analysis and Special Projects Section
  • Telephone: (916) 322-7055
  • Mailing Address: Same as above
Greg Vlasek, Office of Emergency Response
  • Telephone: (916) 323-4294
  • Mailing Address: Same as above

Freight Emissions Testing & Research Branch

Vacant, Chief

  • Telephone:
  • Mailing Address:
    California Air Resources Board
    Monitoring & Laboratory Division
    P.O. Box 2815
    Sacramento, CA 95812
  • Street Address:
    1927 13th Street
    Sacramento, CA 95811

Tao Huai, Regulation Development Section

  • Telephone: (626) 575-7040
  • Mailing Address: Same as above

Don Chernich, Heavy Duty Diesel I/M Development Section

  • Telephone: (916) 322-7620
  • Mailing Address:
    California Air Resources Board
    P.O. Box 2815
    Sacramento, CA 95812

Keshav Sahay, Testing & Field Support Section

  • Telephone: (626) 575-6946
  • Mailing Address:
    California Air Resources Board
    9480 Telstar Avenue
    El Monte, CA 91731

John Karim, Field Operations Warranty Section

  • Telephone: (626) 459-4303
  • Mailing Address:
    California Air Resources Board
    9480 Telstar Avenue
    El Monte, CA 91731

Engineering and Certification Branch

George Lew,Chief

  • Telephone: (916) 327-0900
  • Mailing Address:
    California Air Resources Board
    P.O. Box 2815
    Sacramento, CA 95812
  • Street Address:
    1900 14th Street
    Sacramento, CA 95811

Lou Dinkler, Engineering & Evaluation Section

  • Telephone: (916) 324-9487
  • Mailing Address: Same as above

Pat Bennett, Vapor Recovery & Certification Section

  • Telephone: (916) 322-8959
  • Mailing Address: Same as above

Merrin Wright, Vapor Recovery In-Use Program Section

  • Telephone: (916) 324-6191
  • Mailing Address: Same as above


ARB Organizational Charts

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