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NYC-WTC_000208748

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NYC 9/11 Public Portal Document

ATC/^a Air Sampling Data For 04-26-02 to 05-10-02 WTC Recovery Project

Begin Respire Shift Adj. % Shift Adj Sample ID Zone Job Description Time End Time Worker tor Analyte Results oel’- OEL’ % oee oel’ s’

WTC-SC-PP-D- i laborer, core drilling @ s/i/ao2 5/1/2002 3:20:00 Diesel Exhaust 020501-02 ‘ SC WTC 6 LvI B3 8:OS:0O AM PM Doug Hover 1/2 NPR Particulates 0.027 mg/cum 002 0,02 135 00% 135.00%

n H if

s n o o OEL=Occiipational Exposure Limit, the lower of the OSHA PEL or ACGIH TLV. I ’Shift Adj. OEL=OEL lowered when appropriate to reflect 12 hour x 7 day a week shifts. ’ When the result is not quantifiable a % OEL is not calculated. Page 10 hJ UI

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NYC-WTC_000208748

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NYC-WTC_000208748Source: NYC Law Department, mirrored locally

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