Kleinfelder, Inc.
San Diego,
California
View Accreditation Certificate
Ismaail
Ghaaowd
5761 Copley Drive
Suite 100
San Diego
,
California
92111
Phone: (720) 236-0231
Fax:
IGhaaowd@Kleinfelder.com
https://http://www.kleinfelder.com
26-4599 : Accreditation has been suspended for Iron and Steel standard(s) 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))
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))
Quality Management System - accredited since 2/15/2002
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)
Pavement Preservation - accredited since 7/6/2017
TB-106 / D3910 (Measurement of Slurry Seal Consistency (Cone Consistency))
TB-100 / D3910/D6372 (Wet Track Abrasion Of Slurry Surfacing Systems)
Asphalt Mixture - accredited since 2/15/2002
T30, T166, T209, T269, T275, T283, T308, T312, T324, T329, T355, D1188, D1560 (Stability), D1561, D2041, D2726, D2950, D3203, D3549, D4867, D5444, D6307, D6925, D6931
Soil - accredited since 3/1/2002
T190, D421, D422, D558, D698, D854, D1140, D1556, D1557, D2166, D2216, D2435, D2844, D3080, D4318, D4829, D6913, D6938
Aggregate - accredited since 6/21/2004
R76, T11, T27, T37, T84, T85, T104, T176, T210, T255, T304, T335, C88, C117, C127, C128, C136, C566, C702, C1252, D546, D2419, D3744, D4791, D5821
Sprayed Fire-Resistive Material - accredited since 10/29/2013
E605, E736
Concrete - accredited since 6/21/2004
C31 (Beams), C31 (Cylinders), C39, C78, C138, C143, C172, C192, C231, C511, C617 (9000 psi and below), C1064, C1231 (7000 psi and below), C1609
Masonry - accredited since 2/1/2011
C140 (Reduced-Size 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 (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 5/6/2015
A563-E18 (Internally Threaded Fasteners (Nuts): Rockwell Hardness)
A563-F606 (Internally Threaded Fasteners (Nuts): Proof Load Determination)
A615-E290 (Carbon-Steel Bars, Deformed and Plain: Bend Test)
A706-E290 (Low Alloy Steel Bars, Deformed and Plain: Bend Test)
F436-E18 (Hardened Steel Washers: Rockwell Hardness)
F3125-E18 (Externally Threaded Fasteners (Bolts): Rockwell Hardness)
F3125-F606 (Externally Threaded Fasteners (Bolts): Proof Load Determination)
F3125-F606 (Externally Threaded Fasteners (Bolts): Ultimate Tensile Strength)
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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