Geo-Technology Associates, Inc.
Alliance,
Ohio
View Accreditation Certificate
Katrina
Mackey
12595 W. State Street
Alliance
,
Ohio
44601
Phone: (330) 771-4315
Fax:
kmackey@gtaeng.com
http://https://www.gtaeng.com
Quality Management System - accredited since 10/27/2021
R18, D3740 (Soil)
Soil - accredited since 10/27/2021
D421, D422, D698, D1140, D1557, D2216, D4318
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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