Certerra Northwest, LLC
Tacoma,
Washington
View Accreditation Certificate
Ben
Fox
3838 S. Warner Street
Tacoma
,
Washington
98409
Phone: (360) 733-7318
Fax:
bfox@certerra.com
http://www.certerra.com
Quality Management System - accredited since 3/26/2026
R18, C1077 (Aggregate), C1077 (Concrete), C1093 (Masonry), D3666 (Aggregate), D3666 (Asphalt Mixture), D3740 (Soil), E329 (Aggregate), E329 (Asphalt Mixture), E329 (Concrete), E329 (Masonry), E329 (Soil), E329 (Sprayed Fire-Resistive Material)
Asphalt Mixture - accredited since 5/4/2026
R47, R97, T30, T166, T209, T269, T308, T312, T329, T355, D979, D2041, D2726, D2950, D3203, D3549, D3665, D5444, D6307, D6925
Soil - accredited since 5/4/2026
R58, T89, T90, T99, T180, T265, T310, D421, D698, D1140, D1557, D2216, D2487, D2488, D4318, D4718, D6938
Aggregate - accredited since 5/4/2026
R76, R90, T11, T27, T84, T85, T176, T255, T304, T335, C117, C127, C128, C136, C566, C702, C1252, D75, D2419, D5821
Sprayed Fire-Resistive Material - accredited since 5/4/2026
E605, E736
Concrete - accredited since 3/26/2026
M201, R60, R100 (Beams), R100 (Cylinders), T22, T24 (Drilling Cores of Concrete), T24 (Testing Drilled Cores of Concrete), T97, T119, T121, T152, T196, T231 (10000 psi and below), T309, C31 (Beams), C31 (Cylinders), C39, C42 (Drilling Cores of Concrete), C42 (Testing Drilled Cores of Concrete), C78, C138, C143, C172, C173, C231, C511, C617 (10000 psi and below), C1064, C1140, C1231 (7000 psi and below), C1542
Masonry - accredited since 3/26/2026
C140 (Reduced-Size Concrete Masonry Units) (Sampling and Testing Concrete Masonry Units and Related Units)
C511 (Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the testing of Hydraulic Cements and Concretes)
C1019 (Sampling and Testing Grout)
C1314 (Prisms Constructed of Reduced-Size Concrete Masonry Units) (Compressive Strength of Masonry Prisms)
C1552 (Capping Concrete Masonry Units, Related Units and Masonry Prisms for Compression Testing)
Iron and Steel - accredited since 5/4/2026
F3125 (Externally Threaded Fasteners (Bolts): Rotational Capacity)
Please note that our accreditations do not include an expiration date. An accreditation only expires when the laboratory fails to comply with our accreditation requirements.
* This information is only valid as of 10/27/2026. Please visit https://aashtoresource.org for current accreditation status.
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