2026 ACI AGGREGATE TESTING TECHNICIAN LEVEL 1
IMPORTANT NOTE: If you are unemployed, employed by a government entity, work for a precast company, or conduct business primarily outside the state of Ohio, you may qualify for the AFFILIATE discount. See the rates listed below.
If you are unsure of your Ohio Concrete membership status, click here to view our online membership directory. Please note that being a member of ACI or holding previous/other ACI certifications does not necessarily mean you are a member of Ohio Concrete.
Description
ACI Aggregate Testing Technician Level 1
2 – Half Days Course • 3 CPD Hours Available Upon Request
An Aggregate Testing Technician—Level 1 is an individual who has demonstrated the knowledge and ability to properly perform, record, and report the results of basic field and laboratory procedures for aggregates. . This course includes a half‑day review session that prepares examinees for both the written and performance exams required for ACI certification.
Required Knowledge
Participants must be familiar with the following ASTM standards:
- AASHTO R 90-18/ASTM D75-03 – Standard Method of Test for Sampling of Aggregates
- AASHTO R 76-16/ASTM C702/C702M-11 – Standard Method of Test for Reducing Samples of Aggregate to Testing Size
- AASHTO T 11-05(13)/ASTM C117-13 – Standard Method of Test for Materials Finer than 75-µm (No. 200) Sieve in Mineral Aggregates by Washing
- AASHTO T 27-14/ASTM C136-06 – Standard Method of Test for Sieve Analysis of Fine and Coarse Aggregates
- AASHTO T 85-14/ASTM C127-12 – Standard Method of Test for Specific Gravity and Absorption of Coarse Aggregate
- AASHTO T 84-13/ASTM C128-12 – Standard Method of Test for Specific Gravity and Absorption of Fine Aggregate
- AASHTO T 255-00(12)/ASTM C566-97(04) – Standard Method of Test for Total Evaporable Moisture Content of Aggregate by Drying
- AASHTO T 21/T 21M-15/ASTM C40/C40M-11 – Standard Method of Test for Organic Impurities in Fine Aggregates for Concrete
Certification Requirements
ACI will grant certification only to applicants who meet both of the following:
- Achieve a passing score on the ACI written examination
- Successfully complete the ACI performance examination
Written Exam:
- Closed‑book (2 hours)
- Approximately 100 multiple‑choice questions
- At least eight questions from each required practice or test method
- Passing requirements:
- Minimum 60% on each practice/test method
- Minimum 70% overall
Performance Exam:
- Closed‑book
- Candidates must demonstrate all required steps for each procedure
- Evaluated on accuracy and proper execution
All examinations are returned and scored by ACI. Certification is valid for five years. Recertification requires successful completion of both exams again.
Registration Notes
- A valid registrant email address is required for all communication—including confirmations, updates, and schedule changes.
- If you are sick, we respectfully ask that you reschedule.
Questions?
Contact the Ohio Concrete office at 614‑891‑0210.
Cancellation Policy
- All cancellations are subject to a $15 processing fee.
- Cancellations must be made at least 7 days prior to the course start date for a refund.
- No shows will be charged full registration fees.
- No credits will be carried over to the next year.
- A $15 late fee applies to registrations made within 7 days of the exam.
- Classes may be canceled if minimum enrollment is not met; registrants will be notified at least one week in advance.
- Course fees are subject to change.
*Affiliate status applies to unemployed individuals, companies located primarily outside Ohio, government employees, or precast employees.
