Wiss, Janney, Elstner Associates, Inc.
Northbrook,
Illinois
View Accreditation Certificate
Todd
Nelson
330 Pfingsen Rd.
Northbrook
,
Illinois
60062
Phone: (847) 753-6583
Fax:
tnelson@wje.com
http://www.wje.com
Quality Management System - accredited since 3/1/2002
R18, C1077 (Aggregate), C1077 (Concrete), C1222 (Cement), E329 (Aggregate), E329 (Concrete)
Aggregate - accredited since 3/1/2002
C29, C40, C117, C123, C127, C128, C136, C142, C566, C702
Concrete - accredited since 3/1/2002
T336, T358, C31 (Beams), C31 (Cylinders), C39, C42, C78, C138, C143, C157, C172, C192, C215, C231, C305, C457, C469, C496, C511, C512, C617 (9000 psi and below), C666, C672, C856, C944, C1064, C1074, C1084, C1152, C1202, C1218, C1260, C1293, C1542, C1567, C1583, C1609
Ultra-High Performance Concrete - accredited since 12/30/2019
C1856-C39, C1856-C42, C1856-C157, C1856-C191, C1856-C192, C1856-C469, C1856-C512, C1856-C666, C1856-C944, C1856-C1202, C1856-C1437, C1856-C1609
Cement - Physical Tests - accredited since 6/13/2003
C109, C114 (Loss on Ignition - Reference), C151, C157, C183, C185, C187, C188, C191, C204, C305, C430, C451, C511, C1012, C1038, C1437
Pozzolan - Physical Tests - accredited since 12/30/2019
C109, C151, C157, C185, C187, C188, C305, C311 (Loss on Ignition), C430, C511, C1012, C1437
Cementitious Material - Chemical Tests - accredited since 12/30/2019
C114 (Aluminum Oxide – X-Ray Fluorescence)
C114 (Calcium Oxide – X-Ray Fluorescence)
C114 (Carbon Dioxide – Other)
C114 (Ferric Oxide – X-Ray Fluorescence)
C114 (Insoluble Residue – Reference)
C114 (Loss on Ignition – Reference)
C114 (Magnesium Oxide – X-Ray Fluorescence)
C114 (Manganic Oxide – X-Ray Fluorescence)
C114 (Phosphorus Pentoxide – X-Ray Fluorescence)
C114 (Potassium Oxide – X-Ray Fluorescence)
C114 (Silicon Dioxide – X-Ray Fluorescence)
C114 (Sodium Oxide – X-Ray Fluorescence)
C114 (Sulfur Trioxide – LECO Furnace)
C114 (Sulfur Trioxide – Reference)
C114 (Sulfur Trioxide – X-Ray Fluorescence)
C114 (Titanium Dioxide – X-Ray Fluorescence)
C114 (Zinc Oxide – X-Ray Fluorescence)
Masonry - accredited since 10/4/2012
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 10/11/2024. Please visit http://www.aashtoresource.org for current accreditation status.
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