Rockridge Geotechnical, Inc.
Emeryville,
California
View Accreditation Certificate
Darcie
Maffioli
1350 Ocean Avenue
Emeryville
,
California
94608
Phone: (510) 420-5738
Fax:
damaffioli@rockridgegeo.com
http://www.rockridgegeo.com/
Quality Management System - accredited since 11/25/2025
R18, D3740 (Soil), E329 (Soil)
Soil - accredited since 11/25/2025
D1557, D2216, D2488, D4318, D6938, D8153, D8167
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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