Professional Service Industries, Inc. - an Intertek Group plc company
Westminster,
Colorado
View Accreditation Certificate
James
Elhardt
1070 West 124th Ave
Suite 800
Westminster
,
Colorado
80234
Phone: (303) 424-5578
Fax: (303) 423-5625
james.elhardt@intertek.com
http://www.psiusa.com
Quality Management System - accredited since 12/30/2024
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 12/30/2024
R97, T30, T166 (Cores), T209, T269, T308, T355, D979, D2041, D2726 (Cores), D2950, D3203, D5444, D6307
Soil - accredited since 12/30/2024
R58, T88, T89, T90, T99, T100, T180, T216, T265, T267, T310, D421, D422, D698, D854, D1140, D1557, D2216, D2435, D2487, D2488, D2974, D4318, D4546, D6938
Aggregate - accredited since 12/30/2024
R76, T11, T27, T84, T85, T176, T255, C117, C127, C128, C136, C566, C702, D2419
Concrete - accredited since 12/30/2024
M201, R39, R60, R100 (Cylinders), T22, T119, T121, T152, T196, T231 (9000 psi and below), T309, C31 (Cylinders), C39, C138, C143, C172, C173, C192, C231, C511, C617 (9000 psi and below), C1064, C1231 (7000 psi and below)
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 8/11/2026. Please visit https://aashtoresource.org for current accreditation status.
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