Construction Testing Laboratories, Inc.
Puyallup,
Washington
View Accreditation Certificate
Chris
Pedersen
400 Valley Avenue NE
Suite 102
Puyallup
,
Washington
98372
Phone: (253) 383-8778
Fax:
chrisp@ctlwa.com
http://www.ctlwa.com
Quality Management System - accredited since 1/30/2026
R18, C1077 (Aggregate), C1077 (Concrete), D3666 (Asphalt Mixture), D3740 (Soil), E329 (Aggregate), E329 (Asphalt Mixture), E329 (Concrete), E329 (Soil)
Asphalt Mixture - accredited since 1/30/2026
R30, R47, R97, T30, T166, T209, T269, T308, T312, T324, T329, T331, T355, D979, D2041, D2726, D2950, D3203, D3549, D5444, D6307, D6752, D6925, D6926, D6927, D6931
Soil - accredited since 1/30/2026
R58, T88, T89, T90, T99, T100, T180, T265, T310, D421, D422, D698, D854, D1140, D1557, D2216, D4318, D6938
Aggregate - accredited since 1/30/2026
R76, R90, T11, T19, T21, T27, T84, T85, T96, T104, T112, T113 (Coarse Aggregate Only), T176, T255, T304, T335, C29, C40, C88, C117, C123 (Coarse Aggregate Only), C127, C128, C131, C136, C142, C566, C702, C1252, D75, D2419, D4791, D5821
Sprayed Fire-Resistive Material - accredited since 1/30/2026
E605, E736
Concrete - accredited since 1/30/2026
M201, R60, R100 (Beams), R100 (Cylinders), T22, T97, T119, T121, T152, T231 (7000 psi and below), T309, C31 (Beams), C31 (Cylinders), C39, C78, C138, C143, C172, C231, C511, C617 (7000 psi and below), C1064, C1231 (7000 psi and below)
Masonry - accredited since 1/30/2026
C511 (Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the testing of Hydraulic Cements and Concretes)
C1019 (Sampling and Testing Grout)
C1314 (Compressive Strength of Masonry Prisms)
C1552 (Capping Concrete Masonry Units, Related Units and Masonry Prisms for Compression Testing)
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 2/1/2026. Please visit https://aashtoresource.org for current accreditation status.
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