Branch of Geotechnical Instrumentation
The Geotechnical Instrumentation Branch (GIB) provides statewide services including:
The services provided by GIB include landslide monitoring services, cone penetrometer testing, automated geotechnical monitoring, nuclear gage calibration services, and radiation safety administration.
BRANCH CHIEF
Gem-Yeu Ma
Phone : (916) 227-1080
E-mail: Gem-Yeu.Ma@dot.ca.gov