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Environmental officials in two states said they have given up hope of finding the source of a mysterious odor that swept across parts of the New York City area a week ago.

After investigating more than 140 industrial facilities in the northern part of the state to see whether they were responsible for the smell that drifted up the Hudson River on Jan. 8., the state’s Department of Environmental Protection has thrown up their hands and essentially said: “Umm, who knows why it stank so bad. Not us.”

“We have done the extensive lab analysis, and there is nothing conclusive as to a particular chemical signature from the samples we took,” said Charles Sturcken, a spokesman for the city’s Department of Environmental Protection. Unless the bad smell returns, the city is finished with the matter, Sturcken said.

(Source)