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Aggregate Testing Technician

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.

For more information, please contact the Illinois Chapter Office at 847-635-1390, or at RegisterACI-IL@concretece.com, and one of our chapter members will assist you.

T2 / D75 Sampling Aggregates T248 / C702 Reducing Samples of Aggregate to Testing Size T11 / C117 Materials Finer Than 75-┬Ám (No. 200) Sieve in Mineral Aggregates by Washing T27 / C136 Sieve Analysis of Fine and Coarse Aggregates T85 / C127 Specific Gravity and Absorption of Coarse Aggregate T84 / C128 Specific Gravity and Absorption of Fine Aggregate T255 / C566 Total Moisture Content of Aggregate by Drying T21 / C40 Organic Impurities in Fine Aggregate for Concrete

ACI will grant certification only to those applicants who meet both criteria:

A passing grade on the Written Examination; and Successful completion of the ACI Performance Examination

The two-hour written examination is "open book" and consists of approximately 100 multiple choice questions. There are 8 to 12 questions on each of the Standards. To pass the written examination, both of the following conditions must be met: (a) at least 60% correct for each of the required standards; and (b) a minimum score of 70% overall.

The performance examination is "closed book" and requires actual demonstration of the required Standards. The examinee is judged on his/her ability to correctly perform or describe all of the required procedures for each standard.

Recertification is necessary every five (5) years, and requires successful completion of both the written and performance examinations.