Three Notch Group, Inc.
Knoxville,
Tennessee
View Accreditation Certificate
Samuel
Craig
10860 Murdock Dr.
Knoxville
,
Tennessee
37932
Phone: (865) 387-8096
Fax:
sam.craig@3notch.com
http://3notch.com
26-5793 : Accreditation has been suspended for Aggregate standard(s) T84, C128
26-5793 : Accreditation has been suspended for Quality Management System standard(s) C1077 (Aggregate), E329 (Aggregate)
Quality Management System - accredited since 6/3/2016
R18, C1077 (Concrete), D3740 (Soil), E329 (Concrete), E329 (Soil)
Asphalt Mixture - accredited since 2/18/2025
D2950
Soil - accredited since 6/3/2016
R58, T88, T89, T90, T99, T100, T180, T265, T310, D421, D422, D698, D854, D1140, D1557, D2216, D2487, D2488, D4318, D6913, D6938, D7928
Aggregate - accredited since 6/3/2016
R76, T11, T27, T85, T255, C117, C127, C136, C566, C702
Concrete - accredited since 11/1/2019
M201, R60, R100 (Cylinders), T22, T119, T121, T152, T309, C31 (Cylinders), C39, C138, C143, C172, C231, C511, C1064, C1231 (7000 psi and below)
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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