Certerra RMA Group
Rancho Cucamonga,
California
View Accreditation Certificate
Slawomir Waldemar
Dymerski
12130 Santa Margarita Court
Rancho Cucamonga
,
California
91730
Phone: (909) 989-1751
Fax:
sdymerski@certerra-rmagroup.com
http://www.rmacompanies.com
26-2818 : Accreditation has been suspended for Soil standard(s) T88, D422
Quality Management System - accredited since 3/1/2002
R18, ISO/IEC 17025, 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)
Asphalt Mixture - accredited since 3/1/2002
R30, R35, R47, R68, T30, T164, T166, T209, T245, T246, T247, T269, T275, T283, T308, T312, T329, T355, D1188, D1560 (Stability), D1561, D2041, D2172, D2726, D2950, D3203, D3549, D4867, D5444, D6307, D6925, D6926, D6927
Soil - accredited since 11/7/2003
R58, T89, T90, T99, T100, T134, T135, T180, T190, T191, T193, T208, T216, T265, T267, T288, T289, T310, D421, D558, D559, D698, D854, D1140, D1556, D1557, D1633, D1883, D2166, D2216, D2435, D2487, D2488, D2844, D2974, D3080, D4318, D4643, D4829, D6913, D6938
Aggregate - accredited since 6/1/2002
R76, R90, T11, T19, T21, T27, T37, T84, T85, T96, T100 (Mineral Filler), T104, T112, T113, T176, T210, T255, T304, T335, C29, C40, C88, C117, C123, C127, C128, C131, C136, C142, C535, C566, C702, C1252, D75, D546, D2419, D3744, D4791, D5821
Sprayed Fire-Resistive Material - accredited since 6/11/2015
E605
Concrete - accredited since 6/1/2002
M201, R39, R60, R100 (Beams), R100 (Cylinders), T22, T24 (Testing Drilled Cores of Concrete), T97, T119, T121, T148, T152, T160, T196, T198, T231 (6000 psi and below), T309, C31 (Beams), C31 (Cylinders), C39, C42 (Testing Drilled Cores of Concrete), C78, C138, C143, C157, C172, C173, C174, C192, C231, C495, C496, C511, C567, C617 (6000 psi and below), C1064, C1140 (Obtaining and Testing Specimens), C1231 (7000 psi and below), C1542, C1604
Masonry - accredited since 2/14/2014
C140 (Reduced-Size Concrete Masonry Units) (Sampling and Testing Concrete Masonry Units and Related Units)
C426 (Linear Drying Shrinkage of Concrete Masonry Units)
C511 (Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the testing of Hydraulic Cements and Concretes)
C780 (Annex 1) (Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry - Consistency by Cone Penetration)
C780 (Annex 6 - Cubes) (Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry - Compressive Strength of Cubes)
C780 (Annex 6 - Cylinders) (Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry - Compressive Strength of Cylinders)
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 5/19/2009
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)
M203-T244 / A416-A1061 (Steel Strand, Uncoated Seven-Wire: Tension (Elongation))
M203-T244 / A416-A1061 (Steel Strand, Uncoated Seven-Wire: Tension (Ultimate Tensile Strength))
M203-T244 / A416-A1061 (Steel Strand, Uncoated Seven-Wire: Tension (Yield 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)
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))
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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