Terracon Consultants, Inc.
Concord,
California
View Accreditation Certificate
Cenk
Ergin
2190 Meridian Park
Suite M
Concord
,
California
94520
Phone: (925) 609-7224
Fax: (925) 609-6324
cenk.ergin@terracon.com
/http://www.terracon.com/offices/concord-noa
Quality Management System - accredited since 3/27/2013
R18, C1077 (Aggregate), C1077 (Concrete), D3740 (Soil), E329 (Aggregate), E329 (Concrete), E329 (Soil), E329 (Sprayed Fire-Resistive Material)
Soil - accredited since 3/27/2013
R58, T89, T90, T99, T180, T208, T265, T310, D421, D698, D1140, D1557, D2166, D2216, D2487, D2488, D4318, D4643, D6938
Aggregate - accredited since 12/9/2019
R76, R90, T11, T27, T84, T85, T255, C117, C127, C128, C136, C566, C702, D75
Sprayed Fire-Resistive Material - accredited since 9/17/2024
E605, E736
Concrete - accredited since 11/9/2015
M201, R60, R100 (Cylinders), T22, T119, T121, T152, T196, T231 (5000 psi and below), T309, C31 (Cylinders), C39, C138, C143, C172, C173, C231, C511, C617 (5000 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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