A growing public concern over the impacts of contaminated sediments, in addition to a more stringent set of criteria having been established, is expected to significantly increase the volume of sediments requiring special handling or disposal, due to the inability to dispose of Category 3 sediments at the Mud Dump Site. Based on the results of the evaluation, the sediments are assigned one of three categories which defines their potential disposal method-Category 1 sediments (acceptable for ocean disposal), Category 2 sediments (acceptable for ocean disposal with specific mitigation), and Category 3 sediments (not permitted for ocean dumping). In order to be disposed of at the Mud Dump site, the Marine Protection, more ยป Research and Sanctuaries Act of 1972 (MPRSA) requires the evaluation of the environmental impact using criteria developed by the USEPA and published through 40 CFR Parts 220 to 228. Currently about 80% of dredge sediments are considered clean and ocean disposed of at the designated Mud Dump site, located approximately 6 nautical miles south of Rockaways. More than 306 million cubic meters (m of sediments has been dredged to maintain harbors and waterways for New York and New Jersey Harbor. One of the greatest drivers for maintaining access to America's Intermodal ports and related infrastructure redevelopment efforts over the next several years will be the control and treatment of contaminated sediments dredged from the nation's waterways.
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