Knife River Corporation
CMT - Mobile
Boise,
Idaho
View Accreditation Certificate
Gabrial
Turner
1099 Exchange St.
Boise
,
Idaho
83716
Phone: (208) 400-0942
Fax:
gabe.turner@kniferiver.com
http://https://www.kniferiver.com/
Quality Management System - accredited since 4/13/2017
R18, C1077 (Concrete), D3666 (Aggregate), D3666 (Asphalt Mixture)
Asphalt Mixture - accredited since 4/13/2017
R30, R35, R47, R68, R79, R97, T30, T164, T166, T209, T245, T269, T283, T308, T312, T324, T329, T331, D979, D2041, D2172, D2726, D3203, D3549, D3665, D4867, D5444, D6307, D6752, D6925, D6926, D6927, D7227, D8225
Soil - accredited since 2/5/2025
R58, T89, T90, D421, D4318
Aggregate - accredited since 4/13/2017
R76, R90, T11, T19, T27, T84, T85, T96, T100 (Mineral Filler), T176, T255, T304, T335, C29, C117, C127, C128, C131, C136, C566, C702, C1252, D75, D2419, D4791, D5821
Concrete - accredited since 10/5/2026
M201, R39, R60, R100 (Beams), R100 (Cylinders), R119, T22, T97, T119, T121, T152, T196, T309, C31 (Beams), C31 (Cylinders), C39, C78, C138, C143, C172, C173, C192, C231, C511, 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 10/27/2026. Please visit https://aashtoresource.org for current accreditation status.
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