Hayre McElroy & Associates, LLC
Redmond,
Washington
View Accreditation Certificate
Gee
Hayre
9644 153 Avenue NE
Redmond
,
Washington
98052
Phone: (425) 869-6750
Fax:
ghayre@hayremcelroy.com
http://www.hayremcelroy.com
Quality Management System - accredited since 12/13/2011
R18, C1077 (Aggregate), C1077 (Concrete), D3666 (Aggregate), D3740 (Soil), E329 (Aggregate), E329 (Concrete), E329 (Soil)
Asphalt Mixture - accredited since 8/23/2022
T166 (Cores), T209, T269, T355, D2041, D2726 (Cores), D2950, D3203
Soil - accredited since 8/23/2022
R58, T89, T90, T99, T100, T180, T265, T310, D421, D698, D854, D1557, D2216, D2487, D4318, D4718, D6938
Aggregate - accredited since 8/23/2022
R76, T11, T21, T27, T84, T85, T176, T255, C40, C117, C127, C128, C136, C566, C702, D2419
Concrete - accredited since 12/13/2011
C31 (Beams), C31 (Cylinders), C39, C78, C138, C143, C172, C231, C511, C617 (6000 psi and below), C1064, C1231 (7000 psi and below)
Masonry - accredited since 12/30/2015
C511 (Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the testing of Hydraulic Cements and Concretes)
C1019 (Sampling and Testing Grout)
C1314 (Compressive Strength of Masonry Prisms)
C1552 (Capping Concrete Masonry Units, Related Units and Masonry Prisms for Compression Testing)
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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