This time, about 60 truckloads of debris 590 cubic yards have been moved to the former Fresh Kills landfill on Staten Island.

WSJ: New Efforts to Sift for 9/11 Remains

Rudy Giuliani, who in 1996 signed an agreement that resulted in the eventual closure of Fresh Kills, defeated Mr. Dinkins 1993 and was re-elected in 1997 in large part because of his popularity on Staten Island.

WSJ: Thompson, Quinn Recycle Trash Fight

That material is now being transported to a park built on top of the former Fresh Kills landfill on Staten Island, where investigators will attempt to find any possible remains during the next 10 weeks, the city said.

WSJ: Possible human remains found in new 9/11 debris

That material is now being transported to a park built on top of the former Fresh Kills landfill on Staten Island, where investigators will attempt to identify any possible remains during the next 10 weeks, the city said.

WSJ: Sifting of Sept. 11 debris for remains begins anew

Anger over Fresh Kills landfill on Staten Island, where the city's trash was shipped until 2001, contributed to the unpopularity of Mayor David Dinkins in the borough and its efforts to secede from New York City in the mid-1990s.

WSJ: Thompson, Quinn Recycle Trash Fight

Meanwhile, some victims' relatives sued the city over its decision to move 1.6 million tons of materials from the trade center site to the Fresh Kills landfill, saying the material might contain victims' ashes and should have been given a proper burial.

WSJ: Sifting of Sept. 11 debris for remains begins anew