Tri-State Asphalt, Inc.
Morris,
Illinois
View Accreditation Certificate
Randall
Miller
1362 Bungalow Road
Morris
,
Illinois
60450
Phone: (815) 942-0080
Fax:
rmiller@tsasphalt.com
https://http://www.tsasphalt.com
Quality Management System - accredited since 12/12/2011
R18
Asphalt Binder - accredited since 12/12/2011
R28, T48, T49, T50, T51, T53, T111, T202, T228, T240, T300, T301, T313, T315, T316, T350, D5, D36, D70, D92, D113, D139, D2171, D2872, D4402, D6084, D6521, D6648, D7175, D7405, D7553, D8078
Emulsified Asphalt - accredited since 12/12/2011
T59 / D6930 (Settlement and Storage Stability)
T59 / D6933 (Sieve Test)
T59 / D6934 (Residue by Evaporation)
T59 / D6935 (Cement Mixing)
T59 / D6936 (Demulsibility)
T59 / D6937 (Density)
T59 / D6997 (Residue by Distillation)
T59 / D6998 (Aggregate Coating)
T59 / D7402 (Particle Charge)
T59-T72 / D7496-D88 (Saybolt Furol Viscosity at 25°C (77°F))
T59-T72 / D7496-D88 (Saybolt Furol Viscosity at 50°C (122°F))
Pavement Preservation - accredited since 5/2/2016
TB-106 / D3910 (Measurement of Slurry Seal Consistency (Cone Consistency))
TB-144 / D6372 (Classification of Micro-Surfacing Materials Compatibility (SBR))
TB-147 / D6372 (Loaded Wheel Test, Vertical and Lateral Displacement of Cold Mixes (LWT))
TB-139 / D3910/D6372 (Set and Cure Development of Slurry Surfacing Systems by Cohesion Tester)
TB-100 / D3910/D6372 (Wet Track Abrasion Of Slurry Surfacing Systems)
TB-109 (Excess Asphalt in Bituminous Mixtures by Loaded Wheel and Sand Adhesion)
TB-113 (Determining Mix Time for Slurry Surfacing Systems)
TB-114 (Wet Stripping of Cured Slurry Surfacing Mixtures)
D3910/D6372 (Determining Set Time for Slurry Seal and Micro-Surfacing Systems (Blot Test))
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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