The Office of Operating and Environmental Standards (CG-OES) would like to clarify for the maritime community the February 28, 2015, sunset provision in Title 33 CFR 151.66. Vessel owners and operators are no longer required to submit to the Coast Guard quarterly reports of their discharges of bulk dry cargo residues into U.S. waters of the Great Lakes, or to use the official Form CG-33.
Source: USCG
Link: End of Reporting for Bulk Dry Cargo Residue Discharges into U.S. waters of the Great Lakes