Certified Testing Laboratories, Inc.
Bethlehem,
Pennsylvania
View Accreditation Certificate
Lori
Sergent
754 East Fairview Street
Bethlehem
,
Pennsylvania
18018
Phone: (610) 865-2674
Fax:
lsergent@certifiedtestinglabs.com
http://www.certifiedtestinglabs.com
Quality Management System - accredited since 4/15/2002
R18
Asphalt Mixture - accredited since 12/11/2015
T166 (Cores)
Soil - accredited since 4/14/2011
T99, T180, T265, D1140
Aggregate - accredited since 4/14/2011
T11, T27
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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