Construction Technology Laboratories, Inc. dba CTL Group
Mount Prospect,
Illinois
View Accreditation Certificate
Mark
Finnell
1050 East Business Center Drive
Mount Prospect
,
Illinois
60056
Phone: (847) 972-3162
Fax:
mfinnell@ctlgroup.com
http://www.ctlgroup.com
Quality Management System - accredited since 8/21/2002 R18, C1077 (Concrete), C1222 (Cement), E329 (Concrete)
Aggregate - accredited since 8/21/2002 C29, C40, C88, C117, C123, C127, C131, C136, C142, C295, C535, C566, C702, D75, D4791, D5821
Concrete - accredited since 8/21/2002 T318, T336, C31 (Beams), C31 (Cylinders), C39, C42, C78, C138, C143, C157, C172, C173, C192, C215, C231, C232, C233, C305, C403, C457, C469, C496, C511, C567, C586, C617 (9000 psi and below), C642, C666, C672, C779, C856, C944, C1064, C1074, C1105, C1138, C1152, C1202, C1218, C1260, C1293, C1399, C1542, C1550, C1567, C1603, C1609, G109
Ultra-High Performance Concrete - accredited since 2/10/2020 C1856-C31, C1856-C39, C1856-C42, C1856-C157, C1856-C192, C1856-C341, C1856-C469, C1856-C666, C1856-C944, C1856-C1202, C1856-C1437, C1856-C1609
Cement - Physical Tests - accredited since 8/21/2002 C109, C114 (Loss on Ignition - Reference), C151, C183, C185, C187, C188, C191, C204, C266, C305, C430, C451, C452, C511, C596, C1012, C1038, C1437, C1506, C1702
Pozzolan - Physical Tests - accredited since 8/21/2002 C109, C151, C157, C185, C187, C188, C305, C311 (Loss on Ignition), C430, C441, C511, C1012, C1437
Slag Cement - accredited since 12/4/2014 C109, C185, C188, C204, C305, C430, C511, C1437
Cementitious Material - Chemical Tests - accredited since 9/4/2002 C114 (Aluminum Oxide – X-Ray Fluorescence) C114 (Calcium Oxide – X-Ray Fluorescence) C114 (Chloride – Reference) C114 (Ferric Oxide – X-Ray Fluorescence) C114 (Free Calcium Oxide – Alternative) C114 (Insoluble Residue – Reference) C114 (Loss on Ignition – LECO Furnace) 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 (Sulfide Sulfur – Reference) C114 (Sulfur Trioxide – X-Ray Fluorescence) C114 (Titanium Dioxide – X-Ray Fluorescence) C114 (Water-Soluble Alkali – Atomic Absorption) C114 (Zinc Oxide – X-Ray Fluorescence)
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 11/1/2024. Please visit http://www.aashtoresource.org for current accreditation status.
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