Certerra RMA Group
Carson,
California
View Accreditation Certificate
Jalen
Madina
1300 E. 223rd St, Suite 403/404
Carson
,
California
90745
Phone: (323) 313-4460
Fax:
jmadina@rmacompanies.com
https://http://www.rmacompanies.com
Quality Management System - accredited since 2/24/2016
R18, C1077 (Aggregate), C1077 (Concrete), D3740 (Soil), E329 (Aggregate), E329 (Concrete), E329 (Soil), E329 (Sprayed Fire-Resistive Material)
Asphalt Mixture - accredited since 2/24/2016
T166 (Cores), T275 (Cores), T355, D2726 (Cores), D2950
Soil - accredited since 2/24/2016
R58, T89, T90, T99, T180, T191, T265, T310, D421, D698, D1140, D1556, D1557, D2216, D2487, D2488, D4318, D4718, D4829, D6913, D6938
Aggregate - accredited since 2/24/2016
R76, R90, T11, T27, T84, T85, T176, T255, C117, C127, C128, C136, C566, C702, D75, D2419
Sprayed Fire-Resistive Material - accredited since 5/22/2017
E605, E736
Concrete - accredited since 6/5/2018
C31 (Beams), C31 (Cylinders), C39, C42 (Testing Drilled Cores of Concrete), C78, C138, C143, C172, C173, C192, C231, C469, C511, C617 (5000 psi and below), C1064, C1140 (Obtaining and Testing Specimens), C1231 (7000 psi and below), C1542, C1604
Masonry - accredited since 8/30/2018
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 2/21/2019
M270-T244 / A709-A6 (Structural Steel: Tension (Elongation))
M270-T244 / A709-A6 (Structural Steel: Tension (Ultimate Tensile Strength))
M270-T244 / A709-A6 (Structural Steel: Tension (Yield Strength))
M31-T244 / A615-A370 (Carbon-Steel Bars, Deformed and Plain: Tension (Elongation))
M31-T244 / A615-A370 (Carbon-Steel Bars, Deformed and Plain: Tension (Ultimate Tensile Strength))
M31-T244 / A615-A370 (Carbon-Steel Bars, Deformed and Plain: Tension (Yield Strength))
M31-T285 / A615-E290 (Carbon-Steel Bars, Deformed and Plain: Bend Test)
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)
A615 (Carbon-Steel Bars, Deformed and Plain: Unit Weight)
A706 (Low Alloy Steel Bars, Deformed and Plain: Unit Weight)
A970 (Headed Steel Bars: Bend Test)
A563-E18 (Internally Threaded Fasteners (Nuts): Rockwell Hardness)
A563-F606 (Internally Threaded Fasteners (Nuts): Proof Load Determination)
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 (Externally Threaded Fasteners (Bolts): Rotational Capacity)
F436-E18 (Hardened Steel Washers: Rockwell Hardness)
F3125-E18 (Externally Threaded Fasteners (Bolts): Rockwell Hardness)
F1554-A370 (Anchor Bolts: Tension (Elongation))
F1554-A370 (Anchor Bolts: Tension (Ultimate Tensile Strength of bar stock))
F1554-A370 (Anchor Bolts: Tension (Yield Strength))
F1554-F606 (Anchor Bolts: Tension (Ultimate Tensile Strength of finished bolts))
Extension of Accreditation to Temporary Site Facilities
| Issue Date | Project Name | Location | Expiration Date | Certificate |
| 10/22/2026 | Turner-Flatiron Terminal 1 Phase 1B PCC Project | Carson, California | 10/22/2027 | View Certificate |
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 10/28/2026. Please visit https://aashtoresource.org for current accreditation status.
|