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Federal and state regulations require all owners/operators of underground storage tanks (USTs) to designate at least one certified Class A, B and C Operator for each tank system.
If you own or operate one or more UST systems, you must:
To become a MassDEP-certified Class A, B or A/B UST Operator, you must:
To become a Class C Operator, you do not need to take and pass a state-administered exam, but you must receive site-specific training from a Class A, B or A/B Operator on the UST system(s) for which you will be responsible, including how to respond to alarms and emergencies.
Before taking a Massachusetts Class A, B, A/B or Reciprocity Underground Storage Tank (UST) Operator Certification Exam, you will need to know and thoroughly understand the following 12 subject areas:
To be sure you have the knowledge and understanding you need to pass a UST Operator Certification Exam, please carefully review the materials in Additional Resources below, and either print them out or bookmark them in your web browser so you can consult them as you take your exam.
3 Hours (180 Minutes)
4 Hours (240 Minutes)
2 Hours (120 Minutes)
Visit the exam web site and follow the prompts to complete your registration and payment steps.
The results of your Class A, B, A/B or Reciprocity Underground Storage Tank (UST) Operator Exam - including your performance in each subject area and your overall score - will be displayed immediately after you answer the last question or you run out of time.
Be sure to print the results screen as documentation of your performance on the exam, as you will not be able to retrieve it later.
If you passed your exam, MassDEP will email you the appropriate Operator Certificate within roughly one month.
If you need to re-take an exam, you will need to pay the $75 fee each time. If you take and fail any combination of exams three (3) times in a row, you will have to wait six (6) months from the date of your third failure before attempting to take any exam again.
Once MassDEP issues you a UST Operator Certificate: