ACI Certification Sessions Calendar

ACI sponsoring groups are continually adding new instruction and testing sessions. Many upcoming sessions are listed below; however, you should contact the ACI testing center(s) in your area for a complete listing of sessions and/or to schedule an exam or training session. Find a testing center

Aggregate/Soils Base Testing Technician

September 28, 2023 to September 28, 2023
Starting Time:   4:00pm CST
End Time:   8:00pm CST

Ardaman & Associates, Inc.
101 Teal Street
Saint Rose , LA   United States
Sponsor(s): MAC Engineering

ACI Aggregate / Soil Base Testing Technician Exam

Exam Scope
D75/T2 Sampling aggregates C422/T88 Particle size analysis of soils
C702/T248 Reducing samples of aggregates to testing size D2216/T265 Laboratory determination of moisture content of soils
D421/T87 Dry preparation of disturbed soil and soil aggregate samples for test D1557/T180 Moisture-density relations of soils using a 10-lb rammer and 18-in drop
D4318/T89 Determining the liquid limits of soils D698/T99 Moisture-density relations of soils using a 5.5-lb rammer and 12-in drop
D4318/T90 Determining the plastic limit and plasticity index of soils

The two-hour written examination is open book and consists of approximately 100 multiple-choice questions. The required passing grade for the written examination is at least 60% correct for each of the required standards and a minimum score of 70% overall.

Study Material
Technician Workbook for ACI Aggregate Base Testing Technician, ACI CP-43 (7th Ed.)
Order with registration or order directly from ACI online at

For more information, contact:
Mr Mark A Cheek, P.E., FACI
MAC Engineering
Mandeville, LA    70448-2236    United States
Phone: (504) 343-7151


The ACI Resource Center coordinates with ACI chapters and sponsoring groups to offer direct, on-demand access to all ACI Certification programs, plus hands-on training and educational opportunities.

Southern California »

Chicago/Midwest »

Mid-Atlantic »

4 easy steps to get aci certified

Learn how to get certified through ACI.

learn more »


Contact the ACI Certification Department+1.248.848.3790