Global Geotechnical Consultants, LLC
Halethorpe,
Maryland
View Accreditation Certificate
Janis
Asare-Bediako
3600 Georgetown Road
Halethorpe
,
Maryland
21227
Phone: (703) 662-8707
Fax:
jasare@globalgeotechllc.com
http://globalgeotechllc.com
Quality Management System - accredited since 3/4/2026
R18, D3740 (Soil), E329 (Soil)
Soil - accredited since 3/4/2026
R58, T88, T89, T90, T99, T180, T265, D421, D422, D698, D1140, D1557, D2216, D4318
Concrete - accredited since 3/4/2026
C39, C495, C511, C617 (5000 psi and below), C1231 (6000 psi and below)
Masonry - accredited since 6/26/2026
C511 (Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the testing of Hydraulic Cements and Concretes)
C780 (Annex 1) (Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry - Consistency by Cone Penetration)
C780 (Annex 6 - Cubes) (Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry - Compressive Strength of Cubes)
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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