Geo-Technology Associates, Inc.
Little Ferry,
New Jersey
View Accreditation Certificate
Robert
Dykstra
211-K Gates Road
Little Ferry
,
New Jersey
07643
Phone: (315) 878-2212
Fax:
rdykstra@gtaeng.com
http://www.gtaeng.com/
Quality Management System - accredited since 4/16/2019
R18, C1077 (Concrete), E329 (Concrete)
Concrete - accredited since 4/16/2019
C31 (Cylinders), C39, C138, C143, C172, C173, C231, C511, 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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