Terracon Consultants, Inc.
Great Falls,
Montana
View Accreditation Certificate
Adam
Thoroughman
1392 13th Avenue SW
Great Falls
,
Montana
59404
Phone: (406) 453-5400
Fax: (406) 761-6655
adam.thoroughman@terracon.com
http://www.terracon.com
Quality Management System - accredited since 8/10/2004
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 8/11/2004
R35, R68, R97, T30, T166, T209, T245, T269, T283, T308, T312, T355, D979, D2041, D2726, D2950, D3203, D3549, D4867, D5444, D6307, D6925, D6926, D6927
Soil - accredited since 8/11/2004
R58, T88, T89, T90, T99, T100, T180, T193, T208, T216, T236, T265, T310, D421, D422, D698, D1140, D1557, D1883, D2166, D2216, D2435, D2487, D2488, D3080, D4318, D6938
Aggregate - accredited since 8/11/2004
R76, R90, T11, T21, T27, T84, T85, T96, T100 (Mineral Filler), T104, T112, T176, T210, T255, T335, C40, C88, C117, C127, C128, C131, C136, C142, C535, C566, C702, D75, D2419, D3744, D4791, D5821
Concrete - accredited since 8/26/2004
C31 (Beams), C31 (Cylinders), C39, C42 (Testing Drilled Cores of Concrete), C78, C138, C143, C172, C173, C174, C192, C231, C511, C617 (7000 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 10/27/2026. Please visit https://aashtoresource.org for current accreditation status.
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