Encara no tenim significats per a "tar balls".
1However, tar balls washed ashore on Alabama's Dauphin Island resort at the weekend.
2Oil debris and tar balls have been reported in Louisiana, Alabama and Mississippi.
3It has also sent tar balls ashore on beaches in Florida.
4It also has sent tar balls ashore on beaches in Florida.
5So far, only a few northwest Florida beaches have been littered with tar balls.
6But laboratory tests subsequently showed the tar balls were not from the BP spill.
7The smaller pieces it breaks into are tar balls.
8The city's beaches remained open after clean-up crews removed the tar balls from shore, authorities said.
9By Wednesday morning, however, tar balls were few and far between and no oil sheen was present.
10The source of the tar balls has not been determined, the Coast Guard said in a statement.
11The consistency of the oil, a cross between tar balls and fresh crude, has made collection difficult.
12Until then, debris from the spill had been limited in the state to relatively small tar balls.
13Once tar balls hit the beaches, they may be picked up by hand or by beach-cleaning machinery.
14Charlie Crist said on Wednesday, standing on a white sand beach in Pensacola marred by tar balls.
15The source of the tar balls remains unknown at this time, the Coast Guard said in a statement.
16But news of the tar balls in Florida raised concerns that the leaked oil's reach was expanding dramatically.
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Tar balls per variant geogràfica