Olsson, Inc.
Denver,
Colorado
View Accreditation Certificate
Antonio
Sigala
5180 Smith Road
Unit F
Denver
,
Colorado
80216
Phone: (920)-912-3585
Fax:
asigala@olsson.com
http://www.olsson.com
Quality Management System - accredited since 12/6/2015
R18, C1077 (Aggregate), C1077 (Concrete), C1093 (Masonry), D3666 (Asphalt Mixture), D3740 (Soil), E329 (Aggregate), E329 (Asphalt Mixture), E329 (Concrete), E329 (Masonry), E329 (Soil)
Asphalt Mixture - accredited since 12/16/2016
R47, D979, D2041, D2726 (Cores), D2950, D3203, D5444, D6307
Soil - accredited since 12/16/2016
D421, D422, D698, D1140, D1557, D1883, D2166, D2216, D2435, D2487, D2488, D4318, D4546, D4643, D4718, D6913, D6938, G51, G57
Aggregate - accredited since 12/6/2015
C29, C40, C117, C127, C128, C136, C566, C702, D75
Concrete - accredited since 12/6/2015
C31 (Cylinders), C39, C42 (Testing Drilled Cores of Concrete), C138, C143, C172, C173, C174, C231, C511, C617 (5000 psi and below), C1064, C1231 (7000 psi and below)
Masonry - accredited since 1/22/2018
C511 (Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the testing of Hydraulic Cements and Concretes)
C1019 (Sampling and Testing Grout)
C1314 (Compressive Strength of Masonry Prisms)
C1552 (Capping Concrete Masonry Units, Related Units and Masonry Prisms for Compression Testing)
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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