Oliver de Silva, Inc. dba Gallagher & Burk, Inc.
Oakland,
California
View Accreditation Certificate
Tracy
Zubek
344 High Street
Oakland
,
California
94601
Phone: (510) 421-2282
Fax:
tzubek@desilvagates.com
http://desilvagates.com
Quality Management System - accredited since 10/14/2010
R18, D3666 (Aggregate), D3666 (Asphalt Mixture)
Asphalt Mixture - accredited since 10/14/2010
R30, R35, R47, R68, R97, T30, T166, T209, T245, T246, T247, T269, T275, T283, T308, T312, T329, D979, D1560 (Stability), D1561, D2041, D2726, D3203, D3549, D4867, D5444, D6307, D6925, D6926, D6927
Aggregate - accredited since 10/14/2010
R76, R90, T11, T19, T27, T84, T85, T96, T100 (Mineral Filler), T176, T210, T255, T304, T335, C29, C117, C127, C128, C131, C136, C566, C702, C1252, D75, D2419, D3744, D4791, D5821
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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