WSP USA Environment & Infrastructure, Inc.
Knoxville,
Tennessee
View Accreditation Certificate
Tommy
Webb
523 Lovell Road
Suite 100
Knoxville
,
Tennessee
37921
Phone: (865) 253-2071
Fax:
tommy.webb@wsp.com
http://www.wsp.com/
Quality Management System - accredited since 5/15/1998
R18, C1077 (Aggregate), C1077 (Concrete), D3666 (Aggregate), D3666 (Asphalt Mixture), D3740 (Soil), E329 (Aggregate), E329 (Asphalt Mixture), E329 (Concrete), E329 (Soil)
Asphalt Mixture - accredited since 3/23/2016
T166 (Cores), T275 (Cores), T355, D1188 (Cores), D2726 (Cores), D2950
Soil - accredited since 6/1/1999
R58, T88, T89, T90, T99, T100, T180, T265, T310, D421, D422, D698, D854, D1140, D1557, D2216, D2487, D2488, D4318, D4718, D6938
Aggregate - accredited since 5/15/1998
R90, C40, C117, C127, C128, C136, C566, C702, D75
Concrete - accredited since 5/15/1998
C31 (Cylinders), C39, C42 (Testing Drilled Cores of Concrete), C138, C143, C172, C173, C231, C511, C617 (6000 psi and below), C1064, C1231 (7000 psi and below), C1542
Controlled Low Strength Material - accredited since 1/9/2020
D4832, D5971
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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