Mappa Inc.
North Pole,
Alaska
View Accreditation Certificate
Stefan
Mack
1956 Richardson Highway
North Pole
,
Alaska
99705
Phone: (907) 488-1266
Fax: (907) 488-0772
stefan.mappa@gmail.com
http://www.mappatestlab.com
26-3266 : Accreditation has been suspended for Soil standard(s) T88, D422
Quality Management System - accredited since 11/30/2005
R18, C1077 (Aggregate), C1077 (Concrete), C1093 (Masonry), D3666 (Aggregate), D3666 (Asphalt Mixture), D3740 (Soil), E329 (Aggregate), E329 (Asphalt Mixture), E329 (Concrete), E329 (Masonry), E329 (Soil)
Asphalt Mixture - accredited since 11/30/2005
R30, R47, R68, R97, T30, T166, T209, T245, T269, T283, T308, T329, T355, D979, D2041, D2726, D2950, D3203, D3549, D3665, D4867, D5444, D6307, D6926, D6927
Soil - accredited since 11/30/2005
R58, R74, T89, T90, T99, T100, T180, T191, T265, T267, T310, T311, D421, D698, D854, D1140, D1556, D1557, D2216, D2487, D2488, D2974, D4318, D4643, D4718, D6913, D6938, D7928
Aggregate - accredited since 11/30/2005
R76, R90, T11, T19, T21, T27, T37, T84, T85, T96, T104, T112, T113, T176, T210, T255, T304, T327, T335, C29, C40, C88, C117, C123, C127, C128, C131, C136, C142, C535, C566, C702, C1252, D75, D546, D2419, D3744, D4791, D5821, D6928
Concrete - accredited since 2/25/2008
C31 (Beams), C31 (Cylinders), C39, C42 (Testing Drilled Cores of Concrete), C78, C138, C143, C172, C173, C174, C192, C231, C305, C511, C617 (6000 psi and below), C939, C942, C1064, C1231 (7000 psi and below), C1260, C1567, C1611
Masonry - accredited since 2/24/2010
C140 (Full-Size Concrete Masonry Units) (Sampling and Testing Concrete Masonry Units and Related Units)
C511 (Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the testing of Hydraulic Cements and Concretes)
C780 (Annex 1) (Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry - Consistency by Cone Penetration)
C780 (Annex 6 - Cubes) (Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry - Compressive Strength of Cubes)
C780 (Annex 6 - Cylinders) (Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry - Compressive Strength of Cylinders)
C1019 (Sampling and Testing Grout)
C1314 (Prisms Constructed of Full-Size Concrete Masonry Units) (Compressive Strength of Masonry Prisms)
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 8/11/2026. Please visit https://aashtoresource.org for current accreditation status.
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