MTGL, Inc.
San Diego,
California
View Accreditation Certificate
Michelle
Elliott
7742 Arjons Dr
San Diego
,
California
92126
Phone: (714) 632-2999
Fax:
MElliott@mtglinc.com
http://www.mtglinc.com
26-0337 : Accreditation has been suspended for Asphalt Mixture standard(s) T209, D2041
Quality Management System - accredited since 1/10/2011
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)
Pavement Preservation - accredited since 2/21/2020
TB-100 / D3910/D6372 (Wet Track Abrasion Of Slurry Surfacing Systems)
D3910/D6372 (Determining Set Time for Slurry Seal and Micro-Surfacing Systems (Blot Test))
Asphalt Mixture - accredited since 9/22/2005
R47, R68, R97, T30, T166, T245, T246, T247, T269, T275, T283, T308, T324 (Cores), T329, T355, D979, D1188, D1560 (Stability), D1561, D2726, D2950, D3203, D3549, D4867, D5444, D6307, D6926, D6927
Soil - accredited since 3/19/2004
R58, T88, T89, T90, T99, T100, T180, T190, T191, T193, T265, T267, T310, D421, D422, D698, D1140, D1556, D1557, D1883, D2216, D2487, D2488, D2844, D2974, D4318, D4718, D4829, D6938
Aggregate - accredited since 3/19/2004
R76, R90, T11, T19, T21, T27, T84, T85, T96, T176, T210, T255, T304, T335, C29, C40, C117, C127, C128, C131, C136, C566, C702, C1252, D75, D2419, D3744, D4791, D5821
Sprayed Fire-Resistive Material - accredited since 2/21/2020
E605, E736
Concrete - accredited since 4/15/2004
C31 (Beams), C31 (Cylinders), C39, C78, C138, C143, C172, C173, C231, C511, C617 (7000 psi and below), C1064, C1231 (7000 psi and below)
Masonry - accredited since 4/20/2006
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 10/20/2008
M203-T244 / A416-A1061 (Steel Strand, Uncoated Seven-Wire: Tension (Ultimate Tensile Strength))
T244 / F3125-F606 (Externally Threaded Fasteners (Bolts): Proof Load Determination)
T244 / F3125-F606 (Externally Threaded Fasteners (Bolts): Ultimate Tensile Strength)
A615-CT670 (Carbon-Steel Bars, Deformed and Plain: Testing Mechanical and Welded Splices)
A706-CT670 (Low Alloy Steel Bars, Deformed and Plain: Testing Mechanical and Welded Splices)
A563-E18 (Internally Threaded Fasteners (Nuts): Rockwell Hardness)
A563-F606 (Internally Threaded Fasteners (Nuts): Proof Load Determination)
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)
A970-A370 (Headed Steel Bars: Tension (Elongation))
A970-A370 (Headed Steel Bars: Tension (Ultimate Tensile Strength))
A970-A370 (Headed Steel Bars: Tension (Yield Strength))
A615-A1034 (Carbon-Steel Bars, Deformed and Plain: Testing Mechanical Splices)
A706-A1034 (Low Alloy Steel Bars, Deformed and Plain: Testing Mechanical Splices)
F3125-E18 (Externally Threaded Fasteners (Bolts): Rockwell Hardness)
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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