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Materials Laboratory Contacts

Physical Address
1655 S. 2nd Avenue
Tumwater, WA 98512

Mailing Address 
PO Box 47365
Olympia, WA 98504-7365

Main Telephone

Main Fax

Application Contacts

Qualified Product List (QPL)

Aggregate Source Approval (ASA)

Request for Approval of Material (RAM)

Record of Materials (ROM)

Laboratory Contacts

Pavement Engineering

Field Exploration

Geotechnical Services

General Questions

Geology Design, Investigation and Construction Engineering

Foundation Construction and Engineering

Materials Testing and Fabrication Inspections

General Questions

Bituminous Materials

Chemistry Laboratory

Electrical Materials

Fabrication and Coatings

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