Hirata & Associates, Inc.
Aiea,
Hawaii
View Accreditation Certificate
Con
Truong
99-1433 Koaha Place
Aiea
,
Hawaii
96701
Phone: (808) 486-0787
Fax: (808) 486-0870
cont@hirata-hawaii.com
http://www.hirata-hawaii.com
Quality Management System - accredited since 11/1/1999
R18, D3740 (Soil)
Soil - accredited since 11/1/1999
R58, R74, T88, T89, T90, T99, T180, T191, T193, T208, T216, T236, T265, T288, T296, T297, T310, D421, D422, D698, D1140, D1556, D1557, D1883, D2166, D2216, D2435, D2487, D2488, D2850, D3080, D4318, D4718, D4767, D4829, D6938, G57
Aggregate - accredited since 2/15/2002
T11, T21, T27, T84, T85, T176, C40, C117, C127, C128, C136, D2419
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 3/15/2026. Please visit https://aashtoresource.org for current accreditation status.
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