Olsson, Inc.
Grand Island,
Nebraska
View Accreditation Certificate
Dillon
Sandman
524 East 2nd St
Grand Island
,
Nebraska
68801
Phone: (308) 380-5746
Fax:
dsandman@olsson.com
http://www.olsson.com
Quality Management System - accredited since 11/5/2021
R18, C1077 (Aggregate), D3740 (Soil), E329 (Aggregate), E329 (Soil)
Soil - accredited since 11/24/2021
D698, D1140, D1557, D2216, D2487, D4318
Aggregate - accredited since 11/24/2021
C117, C127, C128, C136, C566, C702
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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