Qualifications

CTE Cal is a fully certified and accredited special inspection and materials testing firm. We are a multi-licensed professional geotechnical, geological, and environmental engineering group bringing technical expertise backed by decades of combined practical and academic experience.

Our Fremont and Sacramento offices hold accreditation through the US Army Corp of Engineers (USACE) and DSA.

Our laboratories hold accreditations through AASHTO Accreditation Program (AAP) governed by AASHTO:resource (formerly AMRL) on a location specific basis. The specific scopes of accreditation for each of our laboratories are listed below with links to the AASHTO Resource Accreditation Pages for each location.

CTE, CAL, Inc. North Highlands, California

North Highlands AASHTO Resource Accreditation Page

  • Quality Management System – accredited since 1/2/2003
    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), E329 (Sprayed Fire-Resistive Material)
  • Asphalt Mixture – accredited since 7/10/2006
    R68, T30, T166, T209, T245, T269, T308, D2041, D2726, D2950, D3203, D3549, D5444, D6307, D6926, D6927
  • Soil – accredited since 1/2/2003
    R58, T88, T89, T90, T99, T100, T180, T190, T191, T265, T310, D421, D422, D698, D1140, D1556, D1557, D2216, D2487, D2488, D2844, D4318, D4829, D6938
  • Aggregate – accredited since 1/2/2003
    R76, R90, T11, T19, T21, T27, T84, T85, T112, T113, T176, T255, T335, C29, C40, C88, C117, C123, C127, C128, C131, C136, C142, C535, C566, C702, D75, D2419, D4791, D5821
  • Sprayed Fire-Resistive Material – accredited since 6/29/2018
    E605, E736
  • Concrete – accredited since 1/2/2003
    M201, R39, R60, R100, T22, T24, T97, T119, T121, T148, T152, T160, T196, T231 (6000 psi and below), T303, T309, C31, C39, C42, C78, C138, C143, C157, C172, C173, C174, C192, C231, C469, C511, C512, C617 (6000 psi and below), C1064, C1231 (7000 psi and below), C1260, C1567
  • Masonry – accredited since 4/3/2006
    C140 (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)
    C1019 (Sampling and Testing Grout)
    C1552 (Capping Concrete Masonry Units, Related Units and Masonry Prisms for Compression Testing)

CTE, CAL, Inc. Fremont, California

Fremont AASHTO Resource Accreditation Page

  • Quality Management System – accredited since 3/11/2011
    R18, C1077 (Aggregate), C1077 (Concrete), D3740 (Soil), E329 (Aggregate), E329 (Concrete), E329 (Soil)
  • Soil – accredited since 2/11/2004
    R58, T88, T89, T90, T99, T180, T265, T310, D421, D422, D698, D1140, D1556, D1557, D2216, D2487, D2488, D4318, D4643, D4972, D6938
  • Aggregate – accredited since 2/5/2007
    R76, T11, T21, T27, T84, T85, T176, T255, C40, C117, C127, C128, C136, C566, C702, D2419
  • Concrete – accredited since 3/2/2004
    M201, R60, R100 (Cylinders), T22, T24, T119, T121, T152, T196, T231 (6000 psi and below), T309, C31 (Cylinders), C39, C42, C138, C143, C172, C173, C231, C511, C617 (6000 psi and below), C1064, C1231 (7000 psi and below), C1542

CTE, CAL, Inc. Modesto, California

Modesto AASHTO Resource Accreditation Page

  • Quality Management System – accredited since 9/30/2016
    R18, C1077 (Aggregate), C1077 (Concrete), D3740 (Soil)

    Soil – accredited since 7/8/2024
    D698, D1140, D1556, D1557, D2216, D2487, D4318, D6913, D6938

    Aggregate – accredited since 9/30/2016
    C117, C127, C128, C136, C702, D75

    Concrete – accredited since 9/30/2016
    C31 (Cylinders), C39, C42, C138, C143, C172, C173, C231, C511, C617 (7000 psi and below), C1064, C1231 (7000 psi and below), C1542

Below are the organizations through which CTE Cal holds licenses, certifications, and accreditations that we bring to bear on every project we collaborate on.