Northern Geotechnical Engineering Inc. dba Terra Firma Testing
Anchorage,
Alaska
View Accreditation Certificate
Andrew
Fortt
11301 Olive Lane
Anchorage
,
Alaska
99515
Phone: (907) 344-5934
Fax: (907) 344-5993
afortt@nge-tft.com
http://www.nge-tft.com
Quality Management System - accredited since 4/23/2004
R18, C1077 (Aggregate), C1077 (Concrete), C1093 (Masonry), D3666 (Aggregate), D3666 (Asphalt Mixture), D3740 (Soil), E329 (Aggregate), E329 (Asphalt Mixture), E329 (Concrete), E329 (Soil)
Asphalt Mixture - accredited since 4/23/2004
R47, R68, R97, T30, T166, T209, T245, T269, T308, T329, T355, D979, D2041, D2726, D2950, D3203, D3549, D5444, D6307, D6926, D6927
Soil - accredited since 4/23/2004
R58, T88, T89, T90, T99, T100, T180, T191, T216, T265, T267, T289, T310, D421, D422, D698, D854, D1140, D1556, D1557, D2216, D2435, D2487, D2488, D2974, D4318, D4718, D4972, D5084, D6913, D6938, D8153, D8167
Rock - accredited since 3/5/2025
D4644, D5312, D5313, D5731
Aggregate - accredited since 4/23/2004
R76, R90, T11, T19, T21, T27, T84, T85, T96, T103, T104 (Coarse Aggregate), T112, T176, T255, T335, C29, C40, C88 (Coarse Aggregate), C117, C127, C128, C131, C136, C142, C535, C566, C702, D75, D2419, D4791, D5821
Concrete - accredited since 11/14/2007
C31 (Beams), C31 (Cylinders), C39, C78, C138, C143, C172, C174, C192, C231, C511, C1064, C1231 (7000 psi and below)
Masonry - accredited since 1/30/2023
C140 (Concrete Interlocking Paving Units) (Sampling and Testing Concrete Masonry Units and Related Units)
C140 (Reduced-Size Concrete Masonry Units) (Sampling and Testing Concrete Masonry Units and Related Units)
C1262 (Evaluating the Freeze-Thaw Durability of Dry-Cast Segmental Retaining Wall Units and Related Concrete Units)
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 10/27/2026. Please visit https://aashtoresource.org for current accreditation status.
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