Interstate Testing Services LLC
St. Louis,
Missouri
View Accreditation Certificate
Chase
Gabbert
10440 Liberty Ave.
St. Louis
,
Missouri
63132
Phone: (314) 220-7417
Fax:
cgabbert@interstatetesting.com
https://http://interstatetesting.com/
Quality Management System - accredited since 4/15/2013
R18, D3666 (Asphalt Mixture)
Asphalt Binder - accredited since 4/15/2013
R28, R29, T44, T48, T49, T50, T51, T53, T78, T79, T201, T202, T228, T240, T301, T313, T315, T316, T350
Emulsified Asphalt - accredited since 4/15/2013
T59 (Aggregate Coating)
T59 (Demulsibility)
T59 (Density)
T59 (Particle Charge)
T59 (Residue by Distillation)
T59 (Residue by Evaporation)
T59 (Settlement and Storage Stability)
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 6/10/2016
R30, R35, R47, R68, R97, T30, T164, T166, T209, T245, T269, T283, T308, T312, T324, T331, T355, D3549, D5404
Soil - accredited since 12/7/2018
T310
Aggregate - accredited since 6/10/2016
R76, T11, T27, T84, T85, T100 (Mineral Filler), T176, T255, T304, D4791, D5821
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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