Froehling & Robertson, Incorporated
Charlotte,
North Carolina
View Accreditation Certificate
Will
Hamrick
3300 International Airport Drive, Suit 600
Charlotte
,
North Carolina
28208
Phone: (704) 596-2889
Fax:
whamrick@FandR.com
http://www.fandr.com
Quality Management System - accredited since 1/16/2019
R18, C1077 (Aggregate), C1077 (Concrete), D3740 (Soil), E329 (Aggregate), E329 (Concrete), E329 (Soil)
Soil - accredited since 4/19/2019
D421, D422, D698, D1140, D1557, D2216, D2487, D4318, D6938
Aggregate - accredited since 1/16/2019
R76, T11, T21, T27, T84, T85, T255, C40, C117, C127, C128, C136, C566, C702
Concrete - accredited since 1/16/2019
M201, R60, R100 (Beams), R100 (Cylinders), T22, T97, T119, T121, T152, T231 (5000 psi and below), T309, C31 (Beams), C31 (Cylinders), C39, C78, C138, C143, C172, C231, C511, C617 (5000 psi and below), C1064, C1231 (7000 psi and below)
Masonry - accredited since 1/16/2019
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)
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 2/19/2026. Please visit https://aashtoresource.org for current accreditation status.
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