Chosen Valley Testing Inc.
Mason City,
Iowa
View Accreditation Certificate
Matt
Reisdorfer
421 North Georgia Avenue
Mason City
,
Iowa
50401
Phone: (641) 201-1050
Fax:
mreisdorfer@chosenvalleytesting.com
https://http://www.chosenvalleytesting.com
Quality Management System - accredited since 6/13/2025
R18, C1077 (Aggregate), C1077 (Concrete), D3740 (Soil), E329 (Aggregate), E329 (Concrete), E329 (Soil)
Asphalt Mixture - accredited since 9/17/2025
D2726 (Cores), D2950
Soil - accredited since 9/17/2025
D698, D1140, D1557, D2216, D2487, D2488, D4318, D6938
Aggregate - accredited since 6/13/2025
C40, C117, C127, C128, C136, C566, C702, D75
Concrete - accredited since 6/13/2025
C31 (Cylinders), C39, C138, C143, C172, C231, C511, C617 (5000 psi and below), C1064, C1231 (7000 psi and below)
Masonry - accredited since 6/13/2025
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)
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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