article_snippet.sent: Asbestos has been discovered in the roof at New York City's mayoral residence and work to remove the potentially cancer-causing materials from Gracie Mansion will begin last month.
article_snippet.sent: The hazardous material was discovered last month as crews prepared to replace the mayoral mansion's leaky roof.
article_snippet.sent: Asbestos has been discovered in the roof at New York City's mayoral residence and work to remove the potentially cancer-causing materials from Gracie Mansion will begin last month .
article_snippet.sent: The cost of removing asbestos abatement and some long-needed roof repairs will be about $250,000 and the contract was awarded this week to Regional Management Inc., officials said.
highlights_snippet.sent: Hazardous material was discovered last month as crews prepared to replace Gracie Mansion's leaky roof .
  