RockSol Consulting Group, Inc.
Grand Junction,
Colorado
View Accreditation Certificate
David
Eller
566 West Crete Circle
Suite 2
Grand Junction
,
Colorado
81505
Phone: (970) 210-8098
Fax: (303) 962-9350
eller@rocksol.com
Quality Management System - accredited since 1/22/2020
R18, C1077 (Aggregate), C1077 (Concrete), D3666 (Aggregate), D3666 (Asphalt Mixture), D3740 (Soil), E329 (Aggregate), E329 (Asphalt Mixture), E329 (Concrete), E329 (Soil)
Asphalt Mixture - accredited since 1/22/2020
R47, R97, T30, T166, T209, T269, T308, T355, CP-L 5115, D979, D2041, D2726, D2950, D3203, D5444, D6307
Soil - accredited since 1/22/2020
R58, T89, T90, T99, T180, T265, T289, T310, D421, D698, D1140, D1557, D2216, D2487, D2488, D4318, D4972, D6938, G57
Aggregate - accredited since 1/22/2020
R76, R90, T11, T27, T84, T85, T176, T255, C117, C127, C128, C136, C566, C702, D75, D2419
Concrete - accredited since 2/4/2020
M201, R60, R100 (Cylinders), T22, T119, T121, T152, T309, C31 (Cylinders), C39, C138, C143, C172, C231, C511, C939 (Pre-Mixed), C942 (Pre-Mixed), 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 8/11/2026. Please visit https://aashtoresource.org for current accreditation status.
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