R.I. Gen. Laws § 23-19.11-4
All generators of low level radioactive waste will deposit as general revenues a fee equivalent to that which has been stated in the compact agreement of the state of Rhode Island and a compact commission of a region in which a regional disposal facility is located to provide for Rhode Island's low-level radioactive waste generated. This fee will be no more than the penalty surcharge as specified in the Low-Level Radioactive Waste Policy Act of 1988, 42 U.S.C. § 2021(b), and will be based on the cubic feet of low-level radioactive waste deposited in an approved low level radioactive waste disposal facility. Fees will be paid within thirty (30) days of shipment of any low level radioactive waste materials for disposal of in a low level radioactive waste disposal facility.
R.I. Gen. Laws § 23-19.11-4