Department of Transportation

Aggregate Sampling Inspector

PI manual

Online Testing Site

The examination for an Aggregate Sampling Inspector consists of the following areas: 

• Sampling Fundamentals 

• Sampling Methods and Equipment 

The Aggregate Sampling Inspector requires only the successful completion of the on-line
examination; no practical examination is required. To pass the on-line examination, the applicant must obtain a score of at least 70 percent. Certification as an Aggregate Sampling Inspector qualifies the employee, either Industry or Division, to perform sampling of aggregates relevant to the quality control program or acceptance program respectively.