Aggregate Base Testing Technician

The Southern California Chapter of ACI would like to announce the availability for the Aggregate Base Testing Technician Certification.  This certification is designed for all personnel involved in laboratory testing and consists of a written examination of the following AASHTO and/or ASTM standards:

  • T2 / D75 - Sampling Aggregates
  • T248 / C702 - Reducing Field Samples of Aggregates to Testing Size
  • T87* / D421 - Dry Preparation of Disturbed Soil and Soil Aggregate Samples for Test
  • T89 / D4318  - Determining the Liquid Limits of Soils
  • T90 / D4318 - Determining the Plastic Limit and Plasticity Index of Soils
  • T88 / C422 - Particle Size Analysis of Soils
  • T265 / D2216  - Laboratory Determination of Moisture Content of Soils
  • T180 / D1557 - Moisture-Density Relations of Soils Using a 4.54-kg (10-lb) Rammer and a 457-mm (18-in) Drop
  • T99 / D698 - Moisture-Density Relations of Soils Using a 2.5-kg (5.5-lb) Rammer and a 305-mm (12-in) Drop


Please note this is not a training class. The date scheduled is for the exam date only. Books will be mailed to the address provided at registration prior to the class and it is the registrants responsibility to study and prepare for the exam.


In regards to requests for accommodations under the Americans with Disabilities Act, it is not the Sponsoring Group’s responsibility to judge whether or not the individual could do the job if certification is granted. The Sponsoring Group’s only concern is whether or not the individual’s request for accommodation can be provided for and is reasonable. Under the act, the individual making the request must provide written documentation from a doctor or other healthcare provider. The individual must also provide a reasonable amount of lead time to fulfill the special request.

If you have a disability that may impact your participation in this activity, please check here and append a statement regarding your disability-related needs. We cannot assure the availability of appropriate accommodations without prior written notification of need.

For a request for ADA accommodation please contact John Nehasil at for further instruction. Be sure to copy on your request!

Contact us at if you need to reschedule or cancel. The fee will be $200 for either.

Please register online only!

    • 10/24/2024
    • 5:30 PM - 9:30 PM
    • Vulcan Materials - 16009 Foothill Blvd. Irwindale, CA 91702
    • 10/24/2024
    • 5:30 PM - 9:30 PM
    • Vulcan Materials - 16009 Foothill Blvd. Irwindale, CA 91702

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