UPDATE 8/4/06
Yesterday, LMDC’s environmental consultant received lab results indicating that one air monitoring station on the roof of 130 Liberty St recorded a level of silica that exceeded the Environmental Protection Agency’s Trigger Level. As required by the Deconstruction Plan, work at the building was stopped and the regulatory agencies were notified.
The single elevated silica level was recorded on Friday, July 28th while workers were removing ballast from the roof of the building during a period of high temperatures. To address this problem, our contractor increased the wetting of ballast and the misting of work areas. The implementation of these increased dust suppression measures addressed the problem immediately.
While our contractor responded to the problem quickly, we have reiterated the importance of employing all necessary dust suppression measures at all times.
LMDC has consulted with the regulators and they authorized work to resume this morning.
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