Course materials will be provided in class
Aggregate Production Tester Certification (APTC)
Prerequisites for certification
- No other certifications are required before this course, although field experience is recommended.
Expiration and recertification options
- This certification does not expire. No recertification is required.
Class logistics
- Learning mode: In person for classroom and lab
- If you need to register: Learn about the certification process and then register for the class.
- Logistics: See the Registration Confirmation and Class Reminder emails from Lake Superior College for class dates, time, location, and directions. Time will be provided for on- or off-site lunch. No meals or beverages will be provided.
- Learning differences and accommodations: If you have a disability or learning issue, either permanent or temporary, which might affect your ability to perform in a class, the online exam, or the performance exam, contact Suzanne Johnsrud, 218-428-1002, to discuss possible accommodations.
- Summary: APT Certification Summary (PDF)
- Professional development hours (PDHs): 18
- Lake Superior College course credits possible: 1 (you must complete an LSC course credit form)
What to bring to class
- Course materials will be provided in class
Reference books/manuals to bring (hard copy or electronic)
- None
Also bring to class
- Calculator
- Paper and pencil/pen
- Laptop/tablet (recommended)
- Face mask (for health and safety, if needed)
- Lunch and beverages to eat/drink if you plan on site
- Hard toed shoes and other safety gear for lab (recommended)
About the certification exams
Written exam process
- You will have 120 minutes to complete the 60 question written exam online.
- You must score 70% or higher to pass; if you score 60-69%, you may request a retest.
- The exam will open for you at the end of the last day of class.
- You must complete the exam within one week after it is open for you, meaning the same day the following week.
- Find your exam to take it once it is open for you.
Written exam topics (approximate percentage of exam)
- Section 1: Technical Certification Program (4% - 2 questions)
- Section 2: Minnesota Roadways and Materials Testing (8% - 4 questions)
- Section 3: Essential Knowledge and Skills (6% - 3 questions)
- Section 4: MnDOT Resources and Processes (12% - 6 questions)
- Section 5: Background Information about Aggregates (20% - 10 questions)
- Section 6: Aggregate Sampling and Reduction (20% - 10 questions)
- Section 7: Aggregate Gradation through Sieve Analysis (30% - 15 questions)
Materials allowed during the written exam
This is an open book exam. You may use the training manual and all other course materials during the exam. A calculator is provided within the online exam.
Performance exam
- You will complete a performance exam on the second day of class.
- The certification will not be awarded until the performance exam is complete and recorded.