Docket No. 4401 - Narragansett Bay Commission (NBC) - Tariff Advice Filing to Eliminate of BOD (Biological Oxygen Demand) and TSS (Total Suspended Solids) Surcharge(filed March 20, 2013) Status of Docket: Closed. NBC's Tariff Advice Filing Division of Public Utilities - Memorandum supporting the elimination of the Biological Oxygen Demand (BOD) and Total Suspended Solids (TSS) surcharges. The revenue effect of the surcharge reduced NBC's revenues by $93,000. This effect was factored into the record in Docket No. 4364