Kleinfelder, Inc.
Ontario,
California
View Accreditation Certificate
Michael
Magana
620 South Magnolia Avenue
Building G
Ontario
,
California
91762
Phone: (909) 721-8881
Fax:
mmagana@kleinfelder.com
https://http://www.kleinfelder.com
Quality Management System - accredited since 9/15/1999
R18, C1077 (Aggregate), C1077 (Concrete), C1093 (Masonry), D3666 (Aggregate), D3666 (Asphalt Mixture), D3740 (Soil), E329 (Aggregate), E329 (Asphalt Mixture), E329 (Concrete), E329 (Masonry), E329 (Soil), E329 (Sprayed Fire-Resistive Material)
Emulsified Asphalt - accredited since 6/13/2023
D6934 (Residue by Evaporation)
Pavement Preservation - accredited since 6/13/2023
D3910/D6372 (Wet Track Abrasion Of Slurry Surfacing Systems)
Asphalt Mixture - accredited since 9/15/1999
R30, R47, R68, R97, T30, T164, T166, T209, T245, T269, T275, T283, T308, T329, D979, D1188, D1560 (Stability), D1561, D2041, D2172, D2726, D2950, D3203, D3549, D5444, D6307, D6926, D6927
Soil - accredited since 7/1/2000
R58, R74, T88, T99, T134, T180, T265, T288, T289, D421, D422, D558, D698, D854, D1140, D1556, D1557, D2166, D2216, D2434, D2435, D2487, D2488, D2844, D2974, D4318, D4546, D4643, D4718, D4829, D6913, D6938
Aggregate - accredited since 7/1/2000
R76, R90, T11, T19, T21, T27, T84, T85, T96, T104, T176, T210, T255, T304, T335, C29, C40, C88, C117, C127, C128, C131, C136, C142, C535, C566, C702, C1252, D75, D2419, D3744, D4791, D5821
Sprayed Fire-Resistive Material - accredited since 6/9/2015
E605, E736
Concrete - accredited since 9/1/2001
M201, R39, R60, R100 (Beams), R100 (Cylinders), T22, T24 (Testing Drilled Cores of Concrete), T97, T119, T121, T152, T160, T196, T231 (5000 psi and below), T309, C31 (Beams), C31 (Cylinders), C39, C42 (Testing Drilled Cores of Concrete), C78, C138, C143, C157, C172, C173, C192, C231, C495, C511, C617 (5000 psi and below), C1064, C1231 (7000 psi and below), C1542
Masonry - accredited since 5/23/2011
C140 (Concrete Masonry Units) (Sampling and Testing Concrete Masonry Units and Related Units)
C511 (Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the testing of Hydraulic Cements and Concretes)
C1019 (Sampling and Testing Grout)
C1314 (Compressive Strength of Masonry Prisms)
C1552 (Capping Concrete Masonry Units, Related Units and Masonry Prisms for Compression Testing)
Iron and Steel - accredited since 5/23/2011
A615-A370 (Carbon-Steel Bars, Deformed and Plain: Tension (Elongation))
A615-A370 (Carbon-Steel Bars, Deformed and Plain: Tension (Ultimate Tensile Strength))
A615-A370 (Carbon-Steel Bars, Deformed and Plain: Tension (Yield Strength))
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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