Material Testing Services, L.L.C.
Minot,
North Dakota
View Accreditation Certificate
Steve
Wald
3001 North Broadway
Suite 1
Minot
,
North Dakota
58703
Phone: (701) 852-5553
Fax:
swald@srt.com
http://materialtestingservicesnd.com
Quality Management System - accredited since 3/15/2001
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 3/15/2001
T329, D979, D2041, D2726, D2950, D3203, D3549, D4867, D5444, D6307, D6925
Soil - accredited since 7/10/2012
D421, D422, D698, D854, D1140, D1556, D1557, D2166, D2216, D2487, D4318, D6938
Aggregate - accredited since 4/1/2002
C40, C117, C127, C128, C136, C566, C702, C1252, D75, D2419, D4791, D5821
Concrete - accredited since 4/1/2002
C31 (Beams), C31 (Cylinders), C39, C78, C138, C143, C172, C174, C231, C511, C617 (9000 psi and below), C1064, C1231 (7000 psi and below)
Masonry - accredited since 11/6/2017
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)
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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