R.I. Gen. Laws § 42-17.2-6

The expenses of the department in connection with making the inspections under § 42-17.2-5 shall be paid in the first instance by the department. However, each operator shall, upon notification by the department of the amount due, reimburse the department for the expense of specialized assistance which may be employed by the department in making inspections. The department shall not charge in excess of five dollars ($5.00) per hour for the services of special assistants. It may include traveling time and expenses in addition. The reimbursement shall be credited to the revolving fund created under this chapter.