Kleinfelder, Inc.
Charlotte,
North Carolina
View Accreditation Certificate
Michelle
Stadel
9009 Perimeter Woods Drive, Suite E
Charlotte
,
North Carolina
28216
Phone: (719) 357-1636
Fax: (704) 598-1050
mstadel@kleinfelder.com
http://www.kleinfelder.com
Quality Management System - accredited since 1/12/2010
R18, C1077 (Aggregate), C1077 (Concrete), D3740 (Soil), E329 (Aggregate), E329 (Concrete), E329 (Soil), E329 (Sprayed Fire-Resistive Material), E329 (Steel Inspection)
Asphalt Mixture - accredited since 10/16/2024
T166 (Cores), D2726 (Cores)
Soil - accredited since 1/12/2010
R58, T88, T89, T90, T99, T100, T134, T180, T191, T193, T265, T289, T310, D421, D422, D558, D698, D1140, D1556, D1557, D1883, D2216, D2487, D2937, D4318, D4718, D6938
Aggregate - accredited since 8/5/2022
R76, R90, T11, T27, T84, T85, C117, C127, C128, C136, C702, D75
Sprayed Fire-Resistive Material - accredited since 8/5/2022
E605, E736
Concrete - accredited since 1/12/2010
C31 (Beams), C31 (Cylinders), C39, C42 (Testing Drilled Cores of Concrete), C78, C138, C143, C172, C173, C231, C511, C617 (7000 psi and below), C1064, C1231 (7000 psi and below), C1542
Masonry - accredited since 3/9/2022
C511 (Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the testing of Hydraulic Cements and Concretes)
C1019 (Sampling and Testing Grout)
Iron and Steel - accredited since 8/5/2022
F3125 (Externally Threaded Fasteners (Bolts): Rotational Capacity)
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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