Jacobi Geotechnical Engineering, Inc. dba Holland Engineers
O'Fallon,
Missouri
View Accreditation Certificate
Phillip
Dodd
798 Hoff Road
O'Fallon
,
Missouri
63366-1920
Phone: (636) 978-7112
Fax:
pdodd@hollandengineers.com
https://http://www.hollandengineers.com
Quality Management System - accredited since 3/9/2005
R18
Soil - accredited since 3/9/2005
T99, T180, T265, T310, D698, D1140, D1557, D2216, D6938
Aggregate - accredited since 3/9/2005
R76, T11, T27, C117, C136, 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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