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Certerra Southwest, LLC

Fresno, California


View Accreditation Certificate
Salvador Alvarez
3897 N. Ann Avenue Fresno , California 93727

Phone: (559) 708-8865 Fax: salvarez@rmageoscience.com http://www.rmacompanies.com

26-0798 : Accreditation has been suspended for Asphalt Mixture standard(s) T308, D6307
Quality Management System - accredited since 8/28/2014
R18, C1077 (Aggregate), C1077 (Concrete), D3666 (Aggregate), D3666 (Asphalt Mixture), D3740 (Soil), E329 (Aggregate), E329 (Concrete), E329 (Soil), E329 (Sprayed Fire-Resistive Material)

Asphalt Mixture - accredited since 11/6/2014
T30, T166, T209, T246, T247, T269, T275, T355, D1560 (Stability), D1561, D2041, D2726, D2950, D3203, D5444

Soil - accredited since 11/6/2014
R58, T89, T90, T99, T180, T190, T216, T265, T310, D421, D698, D1140, D1557, D2216, D2435, D2844, D4318, D4829, D6913, D6938

Aggregate - accredited since 8/28/2014
T176, T210, C40, C117, C127, C128, C136, C566, C702, D2419, D3744

Sprayed Fire-Resistive Material - accredited since 11/6/2014
E605, E736

Concrete - accredited since 8/28/2014
C31 (Beams), C31 (Cylinders), C39, C78, C138, C143, C172, C173, C231, C511, C617 (7000 psi and below), C1064, C1140, C1231 (7000 psi and below)

Masonry - accredited since 7/20/2015
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)
C780 (Annex 6 - Cylinders) (Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry - Compressive Strength of Cylinders)
C1019 (Sampling and Testing Grout)
C1314 (Prisms Constructed of Reduced-Size Concrete Masonry Units) (Compressive Strength of Masonry Prisms)
C1552 (Capping Concrete Masonry Units, Related Units and Masonry Prisms for Compression Testing)

Iron and Steel - accredited since 8/22/2018
M31-T244 / A615-A370 (Carbon-Steel Bars, Deformed and Plain: Tension (Elongation))
M31-T244 / A615-A370 (Carbon-Steel Bars, Deformed and Plain: Tension (Ultimate Tensile Strength))
M31-T244 / A615-A370 (Carbon-Steel Bars, Deformed and Plain: Tension (Yield Strength))
M31-T285 / A615-E290 (Carbon-Steel Bars, Deformed and Plain: Bend Test)
A706-A370 (Low Alloy Steel Bars, Deformed and Plain: Tension (Elongation))
A706-A370 (Low Alloy Steel Bars, Deformed and Plain: Tension (Ultimate Tensile Strength))
A706-A370 (Low Alloy Steel Bars, Deformed and Plain: Tension (Yield Strength))
A706-E290 (Low Alloy Steel Bars, Deformed and Plain: Bend Test)

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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