Geo-Technology Associates, Inc.
Sterling,
Virginia
View Accreditation Certificate
Sarah
Dalton
43760 Trade Center Place
Suite 110
Sterling
,
Virginia
20166
Phone: (703) 673-6541
Fax:
sdalton@gtaeng.com
http://www.gtaeng.com
Quality Management System - accredited since 6/1/2004
R18, C1077 (Concrete), D3740 (Soil), E329 (Concrete), E329 (Soil)
Soil - accredited since 6/1/2004
R58, T88, T89, T90, T99, T100, T180, T193, T265, D421, D422, D698, D854, D1140, D1557, D1883, D2216, D2487, D4318
Concrete - accredited since 2/17/2005
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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