Terracon Consultants, Inc.
St. Louis,
Missouri
View Accreditation Certificate
Kristin
Frisella
11600 Lilburn Park Road
St. Louis
,
Missouri
63146
Phone: (314) 692-5593
Fax:
kristin.frisella@terracon.com
http://www.terracon.com
Quality Management System - accredited since 8/15/2001
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 9/22/2009
R30, R47, R97, T30, T166, T209, T269, T308, T312, T329, T355, D979, D2041, D2726, D2950, D3203, D3549, D5444, D6307, D6925
Soil - accredited since 8/15/2001
R58, T88, T89, T90, T99, T180, T191, T193, T208, T265, T267, T310, D421, D422, D698, D1140, D1556, D1557, D1883, D2166, D2216, D2487, D2488, D2974, D4318, D4643, D4718, D4972, D6913, D6938, D7928
Rock - accredited since 11/19/2024
D4543, D7012 (Method C)
Aggregate - accredited since 8/15/2001
R76, R90, T11, T19, T21, T27, T84, T85, T255, C29, C40, C117, C127, C128, C136, C566, C702, D75, D4791
Concrete - accredited since 9/1/2001
M201, R39, R60, R100 (Beams), R100 (Cylinders), T22, T24 (Drilling Cores of Concrete), T24 (Testing Drilled Cores of Concrete), T97, T119, T121, T152, T196, T231 (5000 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, C192, C231, C511, C617 (5000 psi and below), C642, C803, C805, C1064, C1140 (Obtaining and Testing Specimens), C1231 (7000 psi and below), C1542, C1604
Masonry - accredited since 10/24/2012
C511 (Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the testing of Hydraulic Cements and Concretes)
C1019 (Sampling and Testing Grout)
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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