California Department of Transportation District 1

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Materials Lab

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CalTrans Lake County Field Laboratories

clear lake

Caltrans District 01 Main Laboratory

1726 Albee st.

Eureka, Ca. 95501

445-6373

 

Caltrans Field Laboratories

 

Kelseyville R.E. Office / Lab

7663 Hwy 29

Kelseyville, Ca. 95451

 

Nice R.E. Office/ Lab

2617 East Hwy 20

Nice, Ca. 95464

 

Clearlake (40th Ave.)

15513 40th Ave.

Clearlake, Ca. 95422

 

Caltrans Accredited Private Laboratories

Granite Construction Company

PM 6.06 Hwy 175

Kelseyville, Ca. 95451