Geotechnical Testing Services, Inc.
Yuma,
Arizona
View Accreditation Certificate
Courtney M.
Arviso
1044 East 21st Street
Yuma
,
Arizona
85365
Phone: (928) 329-4695
Fax: (928) 329-4782
carviso@gtsqc.com
https://http://www.gts-arviso.com
Quality Management System - accredited since 8/1/2001
R18, C1077 (Aggregate), C1077 (Concrete), D3666 (Aggregate), D3666 (Asphalt Mixture), D3740 (Soil), E329 (Aggregate), E329 (Asphalt Mixture), E329 (Concrete), E329 (Soil)
Asphalt Mixture - accredited since 4/15/2002
R47, R68, R97, T30, T166, T209, T245, T269, T308, T329, T355, D979, D2041, D2726, D2950, D3203, D3549, D5444, D6307, D6926, D6927
Soil - accredited since 5/15/2002
R58, T88, T89, T90, T99, T134, T135, T180, T191, T217, T265, T288, T289, T310, D421, D422, D558, D559, D698, D1140, D1556, D1557, D1632 (Cylinders), D1633, D2216, D2487, D2488, D4318, D4643, D4944, D6938
Aggregate - accredited since 8/1/2001
R76, R90, T11, T19, T21, T27, T84, T85, T96, T112, T176, T255, T304, T335, C29, C40, C117, C127, C128, C131, C136, C142, C535, C566, C702, C1252, D75, D2419, D4791, D5821
Concrete - accredited since 8/1/2001
M201, R39, R60, R100 (Beams), R100 (Cylinders), T22, T24 (Drilling Cores of Concrete), T24 (Testing Drilled Cores of Concrete), T97, T119, T121, T148, T152, T196, T231 (5000 psi and below), T309, C31 (Beams), C31 (Cylinders), C39, C42 (Drilling Cores of Concrete), C42 (Testing Drilled Cores of Concrete), C78, C138, C143, C172, C173, C174, C192, C231, C511, C617 (5000 psi and below), C1064, C1231 (6000 psi and below)
Masonry - accredited since 8/29/2008
C511 (Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the testing of Hydraulic Cements and Concretes)
C1019 (Sampling and Testing Grout)
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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