National Cement Company, Inc.
Plant - Concrete
Lebec,
California
View Accreditation Certificate
Enrique
Hernandez
5 miles East of I-5
Off Highway 138
Lebec
,
California
93243
Phone: (661) 248-6733
Fax: (661) 248-6602
ehernandez@natcem.com
http://www.nationalcement.com/
Quality Management System - accredited since 10/14/2011
R18, C1222 (Cement)
Cement - Physical Tests - accredited since 10/14/2011
C109, C114 (Loss on Ignition - Reference), C151, C183, C185, C187, C191, C204, C266, C305, C430, C451, C511, C1437
Cementitious Material - Chemical Tests - accredited since 10/14/2011
C114 (Aluminum Oxide – X-Ray Fluorescence)
C114 (Calcium Oxide – X-Ray Fluorescence)
C114 (Ferric Oxide – X-Ray Fluorescence)
C114 (Free Calcium Oxide – Other)
C114 (Insoluble Residue – Reference)
C114 (Loss on Ignition – Reference)
C114 (Magnesium Oxide – X-Ray Fluorescence)
C114 (Potassium Oxide – X-Ray Fluorescence)
C114 (Silicon Dioxide – X-Ray Fluorescence)
C114 (Sodium Oxide – X-Ray Fluorescence)
C114 (Sulfur Trioxide – X-Ray Fluorescence)
C114 (Titanium Dioxide – 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 10/27/2026. Please visit https://aashtoresource.org for current accreditation status.
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