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Sierra Testing Laboratories, Inc., as a geotechnical testing facility ranks number one in the nation for performance quality.
"We perform not only testing and quality-control, we are also highly involved with each project to ensure that all requirements are met."


Sierra  Testing  Laboratories, Inc.  with  its 
highly  skilled  staff  of  quality  control and 
laboratory professionals, has been operating  
in  the  field   of  geotechnical  engineering  
for over eight years. Our approach to labora- 
tory testing and quality control services is 
unique in today's consulting environment. All 
testing is performed  on  equipment which is 
calibrated  and  standardized  at  regularly 
scheduled intervals. Test data is computer-
generated to ensure both clarity and quality.

Among those who certify the procedures and personnel at Sierra Testing Labs are:
    The U.S. Army Corps of Engineers California Department of Transportation The American Society for Testing and Materials American Concrete Institute International Construction Building Officials American Association of State Highway Transportation Officials

: 5040 Robert J. Mathews Suite 1 : El Dorado Hills, CA 95762 : 916.939.3460 Fax 916.939.3507 :
: info@sierratestinglaboratories.com :