HWA GeoSciences Inc.
Bothell,
Washington
View Accreditation Certificate
Alex
Hodges
21312 30th Drive SE
Suite 110
Bothell
,
Washington
98021
Phone: (425) 774-0106
Fax:
ahodges@hwageo.com
http://www.hwageo.com
Quality Management System - accredited since 10/23/2008
R18, C1077 (Aggregate), C1077 (Concrete), D3666 (Aggregate), D3666 (Asphalt Mixture), D3740 (Soil), E329 (Aggregate), E329 (Asphalt Mixture), E329 (Concrete), E329 (Soil)
Asphalt Mixture - accredited since 12/2/2008
R47, R68, R97, T30, T166, T209, T245, T308, T312, T329, T355, D979, D1188, D2041, D2726, D2950, D3203, D3549, D5444, D6307, D6925, D6926, D6927
Soil - accredited since 12/2/2008
R58, T89, T90, T216, T236, T265, T267, T288, T289, T310, D421, D422, D558, D698, D854, D1140, D1557, D1883, D2166, D2216, D2435, D2487, D2488, D2850, D2974, D3080, D4318, D4546, D4718, D4767, D5084, D6913, D6938, D7928
Aggregate - accredited since 12/2/2008
C29, C40, C117, C127, C128, C131, C136, C142, C535, C566, C702, C1252, D75, D2419, D4791, D5821
Concrete - accredited since 10/23/2008
C31 (Cylinders), C39, C138, C143, C172, C231, C511, C617 (8000 psi and below), C1064, C1231 (7000 psi and below)
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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