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Brian Kahl, P.G.


Principal Geologist, Managing Principal
Irvine, California

BS Geology
38 years’ experience

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Brian is a California Professional Geologist with more than 38 years of experience in environmental compliance, property due diligence, site assessment, and remediation. He has extensive experience designing and implementing site remedies for soil, groundwater, and soil vapor contaminated with petroleum hydrocarbons, chlorinated solvents, and other industrial contaminants. Brian additionally offers expertise with remote data automation technologies for groundwater and vapor intrusion monitoring applications.


  • Licensed Geologist, California

Professional Certifications and Registrations

  • Registered Environmental Property Assessor

Fun Facts

When not at work, Brian enjoys spending time with his wife and two college-age children. He often can be found surfing at one of his favorite Southern California beaches or perhaps sailing, mountain-biking, or snowboarding. Brian is also an avid winemaker and former vintner.

About Brian

Clients and Industries

  • Construction & Development
  • Industrial
  • Law Firms
  • Public Sector – Local, State, Federal
  • Real Estate

Key Projects

managing risks in retail center

Managing Risks in Retail Center

Farallon was engaged to address vapor intrusion concerns at a retail facility formerly used by a dry...

creative cleanup at former dry cleaner

Creative Cleanup at Former Dry Cleaner

Farallon was retained by an insurance company representing the previous owner of this former dry...

vapor mitigation industrial property

Vapor Mitigation – Industrial Facility

Elevated concentrations of trichloroethene (TCE) were identified in shallow groundwater under the...

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