Terracon Consultants, Inc.
Lodi,
California
View Accreditation Certificate
Paula
Arends
902 Industrial Way
Lodi
,
California
95240
Phone: (209) 367-3701
Fax:
paula.arends@terracon.com
http://www.terracon.com
Quality Management System - accredited since 2/17/2011
R18, C1077 (Aggregate), C1077 (Concrete), C1093 (Masonry), D3666 (Aggregate), D3666 (Asphalt Mixture), D3740 (Soil), E329 (Aggregate), E329 (Asphalt Mixture), E329 (Concrete), E329 (Masonry), E329 (Soil), E329 (Sprayed Fire-Resistive Material)
Asphalt Mixture - accredited since 2/17/2011
R30, R35, R47, R68, R97, T30, T166, T209, T245, T246, T247, T269, T275, T283, T308, T312, T324, T329, T340, D979, D1560 (Stability), D1561, D2041, D2726, D3203, D3549, D4867, D5444, D6307, D6925, D6926, D6927, D6931
Soil - accredited since 2/17/2011
T99, T100, T180, T288, T289, D421, D422, D698, D1140, D1556, D1557, D1883, D2166, D2216, D2435, D2487, D2488, D2844, D2850, D2974, D3080, D4318, D4546, D4643, D4718, D4767, D4829, D5334, D6913, D6938, D7263, D7928, G51, G57
Aggregate - accredited since 2/17/2011
R76, R90, T11, T19, T21, T27, T37, T84, T85, T100 (Mineral Filler), T104, T176, T210, T255, T304, T335, C29, C40, C88, C117, C127, C128, C136, C142, C566, C702, C1252, D75, D546, D2419, D3744, D4791, D5821
Sprayed Fire-Resistive Material - accredited since 7/10/2024
E605, E736
Concrete - accredited since 8/5/2016
M201, 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, C231, C511, C617 (5000 psi and below), C1064, C1231 (7000 psi and below), C1542
Masonry - accredited since 10/16/2018
C140 (Concrete Masonry Units) (Sampling and Testing Concrete Masonry Units and Related Units)
C511 (Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the testing of Hydraulic Cements and Concretes)
C780 (Annex 1) (Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry - Consistency by Cone Penetration)
C780 (Annex 6 - Cubes) (Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry - Compressive Strength of Cubes)
C780 (Annex 6 - Cylinders) (Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry - Compressive Strength of Cylinders)
C1314 (Compressive Strength of Masonry Prisms)
C1552 (Capping Concrete Masonry Units, Related Units and Masonry Prisms for Compression Testing)
Iron and Steel - accredited since 11/30/2017
A615 (Carbon-Steel Bars, Deformed and Plain: Unit Weight)
A706 (Low Alloy Steel Bars, Deformed and Plain: Unit Weight)
A563-E18 (Internally Threaded Fasteners (Nuts): Rockwell Hardness)
A563-F606 (Internally Threaded Fasteners (Nuts): Proof Load Determination)
A615-A370 (Carbon-Steel Bars, Deformed and Plain: Tension (Elongation))
A615-A370 (Carbon-Steel Bars, Deformed and Plain: Tension (Ultimate Tensile Strength))
A615-A370 (Carbon-Steel Bars, Deformed and Plain: Tension (Yield Strength))
A615-E290 (Carbon-Steel Bars, Deformed and Plain: Bend Test)
A706-A370 (Low Alloy Steel Bars, Deformed and Plain: Tension (Elongation))
A706-A370 (Low Alloy Steel Bars, Deformed and Plain: Tension (Ultimate Tensile Strength))
A706-A370 (Low Alloy Steel Bars, Deformed and Plain: Tension (Yield Strength))
A706-E290 (Low Alloy Steel Bars, Deformed and Plain: Bend Test)
F3125-E18 (Externally Threaded Fasteners (Bolts): Rockwell Hardness)
F3125-F606 (Externally Threaded Fasteners (Bolts): Proof Load Determination)
F3125-F606 (Externally Threaded Fasteners (Bolts): Ultimate Tensile Strength)
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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