Materials Testing, Inc.
Redding,
California
View Accreditation Certificate
Andrew
King
8798 Airport Road
Redding
,
California
96002
Phone: (530) 222-1116
Fax:
aking@kcengr.com
http://www.mti-kcgeotech.com
Quality Management System - accredited since 1/13/2006
R18, C1077 (Aggregate), C1077 (Concrete), E329 (Aggregate), E329 (Concrete)
Aggregate - accredited since 3/24/2006
C40, C117, C127, C128, C136, C566, C702
Concrete - accredited since 3/24/2006
C31 (Cylinders), C39, C138, C143, C172, C231, C511, C617 (7000 psi and below), C1064, C1231 (7000 psi and below)
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 3/5/2026. Please visit https://aashtoresource.org for current accreditation status.
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