California Department of Transportation
Coronado Bridge Carquinez Bridge San Francisco/Oakland Bay Bridge Richmond San Rafael Bridge

Materials Engineering and Testing Services

Office of Roadway Materials Testing
Chemical Testing Branch

The Chemical Testing Branch offers the services of a full analytical laboratory.  We confirm quality assurance tests on many different types of highway construction materials.  The following table lists Chemistry Testing Branch contacts and their area of expertise.

Mitch Gipson Senior Chemical Testing Engineer Pavement striping and marking, adhesives (916) 227-7919
mitch_gipson@dot.ca.gov
Barry Marcks Associate Chemical Testing Engineer Structural steel preparation and painting 916-227-7918
barry_marcks@dot.ca.gov
Lisa Dobeck Associate Chemical Testing Engineer Adhesives, joint seals, concrete coatings, structural steel painting, retro-reflective sheeting and markers, cartridge epoxy 916-227-7291
lisa_dobeck@dot.ca.gov
  Materials and Research Engineering Associate Geosynthetic fabrics and drains, pavement markers, signing, delineation products