A.G. Wassenaar, Inc.
Englewood,
Colorado
View Accreditation Certificate
Pedro
Manriquez
3211 S Zuni St
Englewood
,
Colorado
80110
Phone: (303) 759-8100
Fax:
manriquezp@agwco.com
http://www.agwco.com/
25-4534 : Accreditation has been suspended for Asphalt Mixture standard(s) T245, D6927
Quality Management System - accredited since 5/15/2001
R18, C1077 (Aggregate), C1077 (Concrete), C1093 (Masonry), D3666 (Aggregate), D3666 (Asphalt Mixture), D3740 (Soil), E329 (Aggregate), E329 (Asphalt Mixture), E329 (Concrete), E329 (Masonry), E329 (Soil)
Asphalt Mixture - accredited since 8/1/2001
R47, R68, T30, T166, T209, T269, T283, T308, T312, CP-L 5106, CP-L 5115, D2041, D2726, D3203, D3549, D4867, D5444, D6307, D6925, D6926
Soil - accredited since 10/1/2001
R58, T88, T89, T90, T99, T100, T134, T180, T190, T208, T216, T265, T310, D421, D422, D558, D698, D1140, D1557, D2166, D2216, D2435, D2487, D2488, D2844, D4318, D4546, D4718, D6938
Aggregate - accredited since 5/15/2001
R76, R90, T11, T19, T21, T27, T84, T85, T96, T104, T112, T176, T255, T304, T335, C29, C40, C88, C117, C127, C128, C131, C136, C142, C535, C566, C702, C1252, D75, D2419, D4791, D5821
Concrete - accredited since 5/15/2001
M201, R39, R60, R100 (Beams), R100 (Cylinders), T22, T24 (Testing Drilled Cores of Concrete), T97, T119, T121, T152, T231 (5000 psi and below), T309, C31 (Beams), C31 (Cylinders), C39, C42 (Testing Drilled Cores of Concrete), C78, C138, C143, C172, C192, C231, C511, C617 (5000 psi and below), C1064, C1231 (7000 psi and below), C1542
Masonry - accredited since 6/25/2010
C140 (Concrete Masonry Units) (Sampling and Testing Concrete Masonry Units and Related Units)
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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