CCS通函“美国压载水排放规则”（英）

Form:RWPRR401-BCCS circularChina Classification Society(2011)Circ.No.89 Total No.153December 19,2011(Total pages 10)To:relevant departments of CCS Headquarters,CCS plan approval centers,surveyors of CCSbranches (offices),shipyards,design units,ship owners and ship management companiesNotice for Information on US Regulations for Ship's Ballast WaterDischargesThe conditions of entry into force of the International Convention for the Control andManagement of Ship's Ballast Water and Sediments,2004 (hereinafter referred to as "BWMConvention")have not yet been met,however,many countries in the world have alreadyimplemented control on ship's ballast water discharges in advance through legislation to protecttheir water environment.Most countries have adopted the measures of controlling the exchange ofship's ballast water and require all ships entering their ports to carry the approved Ballast WaterManagement Plan.Some countries'standards are even more stringent than the existing IMOstandard.Take the United States as an example.The United States Coast Guard (USCG),the Stateof New York and the State of California have each developed their own regulations for ballastwater discharges,of which some discharge indicators are 100 times,even 1,000 times,morestringent than the provisions of Regulation D-2 of BWM Convention (hereinafter referred to as"IMO Standard").Once these regulations enter into force,they will have great impact on shipsnavigating in or entering the waters specified by these regulations for operation.For this purpose,relevant information on major US Regulations for Ship's Ballast Water Discharges is notifiedbelow and relevant units are invited to pay high attention to this Notice.1 Major US Regulations for Ship's Ballast Water Discharges1.1 Major US Standards for Ship's Ballast Water Discharges and their ImplementationSchedulesThe US standards for ballast water discharges are no doubt the most stringent ones in the world.Compared with the IMO standard,certain indicators of the US standards are 100 or 1,000 timesmore stringent than those of the IMO standard,some of which require almost zero livingorganisms for the water discharged.Moreover,their implementation schedules are not subject tothe effectiveness of IMO BWM Convention.Below are the detailed comparisons of three US standards for ballast water discharges currentlydeveloped (USCG Standard,California Standard and New York Standard)with the IMO Standardas well as of their respective implementation schedules.