Org Chart - Monitoring and Laboratory Division

This page last reviewed September 15, 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.


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 95811

Evaporative Controls & Certification Branch

Manjit Ahuja, Chief

  • Telephone: (916) 327-8528
  • Mailing Address:
    California Air Resources Board
    P.O. Box 2815
    Sacramento, CA 95812
  • Street Address:
    1927 13th Street,
    Sacramento, CA 95811
Angus MacPherson, Testing & Certification Section
  • Telephone: (916) 445-4686
  • Mailing Address:
    California Air Resources Board
    1900 14th Street
    Sacramento, CA 95811
Jim Watson, Engineering & Regulation Development Section
  • Telephone: (916) 327-1282
  • Mailing Address:
    California Air Resources Board
    1900 14th Street
    Sacramento, CA 95811
Aimee Davis, Staff Services Manager I
  • Telephone: (916) 322-3289
  • Fax: (916) 327-8217
  • Mailing Address:
    California Air Resources Board
    1927 13th Street
    Sacramento, CA 95811

Air Quality Surveillance Branch

Ken Stroud, Chief

  • Telephone: (916) 324-7630
  • Mailing Address:
    California Air Resources Board
    P.O. Box 2815
    Sacramento, CA 95812
  • Street Address:
    1927 13th Street,
    Sacramento, CA 95811
Joe Guerrero, P.E., Air Monitoring North Section
  • Telephone: (916) 324-7591
  • Mailing Address:
    California Air Resources Board
    1927 13th Street
    Sacramento, CA 95811
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:
    California Air Resources Board
    1927 13th Street
    Sacramento, CA 95811
Reginald Smith, Operation and Data Support Section
  • Telephone: (916) 327-1238
  • Mailing Address:
    California Air Resources Board
    1927 13th Street
    Sacramento, CA 95811

Northern Laboratory Branch

Michael Werst, Chief

  • Telephone: (916) 322-6202
  • 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:
    California Air Resources Board
    1900 14th Street
    Sacramento, CA 95811
Kathleen Gill, Organic Laboratory Section
  • Telephone: (916) 445-9483
  • Mailing Address:
    California Air Resources Board
    1927 13th Street
    Sacramento, CA 95811
Vacant, Inorganic Laboratory Section
  • Telephone:
  • Mailing Address:
  • California Air Resources Board
    1927 13th Street
    Sacramento, CA 95811

Quality Management Branch

Mike Miguel, Chief

  • Telephone: (916) 322-0960
  • 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:
    California Air Resources Board
    1927 13th Street
    Sacramento, CA 95811
Patrick Rainey, Quality Management Section
  • Telephone: (916) 327-4756
  • Mailing Address:
    California Air Resources Board
    1927 13th Street
    Sacramento, CA 95811
Jeff Wright, Data Analysis and Special Projects Section
  • Telephone: (916) 322-7055
  • Mailing Address:
    California Air Resources Board
    1927 13th Street
    Sacramento, CA 95811
Greg Vlasek, Office of Emergency Response
  • Telephone: (916) 323-4294
  • Mailing Address:
    California Air Resources Board
    1301 V Street
    Sacramento, CA 95811

Freight Emissions Testing & Research Branch

Tao Huai, Chief

  • Telephone: (916) 324-2981
  • Mailing Address:
    California Air Resources Board
    Monitoring & Laboratory Division
    P.O. Box 2815
    Sacramento, CA 95812
  • Street Address:
    California Air Resources Board
    1900 14th Street
    Sacramento, CA 95811

Shaohua Hu, Measurement Assessment and Research Section

  • Telephone: (916) 445-2176
  • Mailing Address:
    California Air Resources Board
    1927 13th Street
    Sacramento, CA 95811

Don Chernich, Freight Emissions Assessment and Testing Section

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

Keshav Sahay, Measurement and Technology Assessment Section

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

John Karim, Portable Emissions Measurement 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) 324-6300
  • Mailing Address:
    California Air Resources Board
    P.O. Box 2815
    Sacramento, CA 95812
  • Street Address:
    1927 13th Street
    Sacramento, CA 95811

Lou Dinkler, Engineering & Evaluation Section

  • Telephone: (916) 324-9487
  • Mailing Address:
    California Air Resources Board
    1900 14th Street
    Sacramento, CA 95811

Pat Bennett, Vapor Recovery & Certification Section

  • Telephone: (916) 322-8959
  • Mailing Address:
    California Air Resources Board
    1900 14th Street
    Sacramento, CA 95811

Merrin Wright, Vapor Recovery In-Use Program Section

  • Telephone: (916) 324-6191
  • Mailing Address:
    California Air Resources Board
    1927 13th Street
    Sacramento, CA 95811


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