Specialized Engineering, Inc.
Frederick,
Maryland
View Accreditation Certificate
John
Harrison
4845 International Boulevard
Suite 104
Frederick
,
Maryland
21703-7333
Phone: (301) 607-4180
Fax: (301) 662-6122
jharrison@specializedengineering.com
https://http://www.specializedengineering.com
Quality Management System - accredited since 2/15/2007
R18, C1077 (Aggregate), C1077 (Concrete), C1093 (Masonry), C1222 (Cement), 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 9/22/2021
T59 (Residue by Evaporation)
T59 (Sieve Test)
T59-T72 (Saybolt Furol Viscosity at 25°C (77°F))
T59-T72 (Saybolt Furol Viscosity at 50°C (122°F))
Asphalt Mixture - accredited since 7/12/2007
R47, R79, T30, T166, T209, T269, T308, T312, T331, T355, D2041, D2726, D2950, D3203, D3549, D5444, D6307, D6925
Soil - accredited since 2/15/2007
R58, T88, T89, T90, T99, T100, T134, T180, T191, T193, T265, T267, T290 (Method B), T310, D421, D422, D558, D698, D1140, D1556, D1557, D1883, D2216, D2434, D2487, D4318, D4943, D4972, D5084, D6938
Rock - accredited since 4/17/2013
D4543, D7012 (Method C), D7012 (Method D)
Aggregate - accredited since 2/15/2007
R76, T11, T19, T21, T27, T84, T85, T96, T104, T112, T176, T255, T304, T335, C29, C40, C88, C117, C127, C128, C131, C136, C142, C535, C566, C702, C1252, D2419, D4791, D5821
Sprayed Fire-Resistive Material - accredited since 4/6/2011
E605, E736
Concrete - accredited since 7/10/2007
M201, R39, R60, R100 (Beams), R100 (Cylinders), R115, T22, T24 (Testing Drilled Cores of Concrete), T97, T119, T121, T148, T152, T160, T196, T197, T198, T231 (6000 psi and below), T277, T303, T309, C31 (Beams), C31 (Cylinders), C39, C42 (Testing Drilled Cores of Concrete), C78, C138, C143, C157, C172, C173, C174, C192, C231, C305, C403, C496, C511, C617 (6000 psi and below), C642, C803, C805, C1064, C1152, C1202, C1218, C1231 (7000 psi and below), C1260, C1293, C1542, C1567
Ultra-High Performance Concrete - accredited since 12/5/2019
C1856 (Sampling), C1856-C31 (Cylinders), C1856-C31 (Prisms), C1856-C39, C1856-C42 (Testing Drilled Cores of Ultra-High Performance Concrete), C1856-C157, C1856-C191, C1856-C192 (Cylinders), C1856-C192 (Prisms), C1856-C511, C1856-C1202, C1856-C1437
Cement - Physical Tests - accredited since 5/19/2014
M201, R71, R115, T105 (Loss on Ignition - Reference), T106, T107, T129, T131, T137, T153, T160, C109, C114 (Loss on Ignition - Reference), C151, C157, C183, C185, C187, C191, C204, C305, C511, C1437
Cementitious Material - Chemical Tests - accredited since 9/9/2022
T105 / C114 (Loss on Ignition – Reference)
Masonry - accredited since 10/8/2010
C67 (Brick: Absorption)
C67 (Brick: Capping)
C67 (Brick: Compressive Strength)
C67 (Brick: Initial Rate of Absorption)
C67 (Brick: Measurement)
C67 (Brick: Specimen Preparation)
C140 (Full-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)
C780 (Annex 1) (Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry - Consistency by Cone Penetration)
C780 (Annex 4) (Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry - Mortar Aggregate Ratio)
C780 (Annex 6 - Cubes) (Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry - Compressive Strength of Cubes)
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 8/20/2020
M111 / A123-E376 (Zinc Coatings on Iron and Steel: Thickness of Zinc (Magnetic))
F3125 (Externally Threaded Fasteners (Bolts): Rotational Capacity)
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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