Llewellyn and Associates, Inc.
Johnson City,
Tennessee
View Accreditation Certificate
Allen
Browning
3002 Industrial Drive
Johnson City
,
Tennessee
37604
Phone: (423) 926-0762
Fax:
abrowning@cmllabtechs.com
http://cmllabtechs.com
Quality Management System - accredited since 11/1/2019
R18, C1077 (Aggregate), C1077 (Concrete), D3666 (Aggregate), D3740 (Soil), E329 (Aggregate), E329 (Concrete), E329 (Soil)
Asphalt Mixture - accredited since 12/6/2019
T355, D2950
Soil - accredited since 12/6/2019
R58, T89, T90, T99, T100, T180, T310, D421, D698, D854, D1557, D4318, D6938
Aggregate - accredited since 12/6/2019
T11, T27, T84, T85, T96, T255, C117, C127, C128, C131, C136, C566
Concrete - accredited since 11/22/2019
C31 (Cylinders), C39, C138, C143, C172, C231, C511, C617 (6000 psi and below), 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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