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ENGEO Incorporated

Danville, California


View Accreditation Certificate
Derek Seibold
3420 Fostoria Way, Suite E Danville , California 94526

Phone: (925) 355-9047 Fax: dseibold@engeo.com http://www.engeo.com
Quality Management System - accredited since 9/15/2004
R18, C1077 (Aggregate), C1077 (Concrete), D3740 (Soil), E329 (Aggregate), E329 (Concrete), E329 (Soil)

Soil - accredited since 9/15/2004
D421, D422, D558, D559, D698, D854, D1140, D1557, D1633, D2166, D2216, D2435, D2487, D2488, D2850, D2974, D3080, D4318, D4546, D4718, D4767, D6913, D6938

Aggregate - accredited since 4/11/2006
C40, C117, C127, C128, C136, C566, C702

Concrete - accredited since 4/11/2006
C31 (Cylinders), C39, C138, C143, C172, C173, C231, C511, C617 (6000 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 4/13/2024. Please visit http://www.aashtoresource.org for current accreditation status.
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