Correction : July 8 , 2005 , Friday An article on Monday about a Westchester County school district 's plan to remove PCB-contaminated soil from an elementary school in Yorktown Heights referred incorrectly to a Harvard study that found high levels of the chemical in caulking materials used in 8 of 24 buildings in the Boston area .
Westchester County /location/location/contains Yorktown Heights
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Westchester County
LOCATION
Yorktown Heights
LOCATION
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