NYC-WTC_000234827

NYC 9/11 Public Portal Document

;iVI by NIOSH 7 TEM Sampling Sample Structures (#) Sample No. Location Volume (L)” Matrix f/mm^ f/cc 0.5p - 5p 5p

7097-18-0024 Staten Island PS #44 1356 Air <7.0 <0.002 0 0 7095-98-0027 Brooklyn PS #274 1394 Air <7.0 <0.002 0 0 7096-12-0026 Queens PS #199 1440 Air <7.0 <0.002 0 0 NS Bronx PS #154 NS NS NS NS NS NS 7093-15-0029 Manhatan PS #143 1422 Air <7.0 <0.002 0 0 7093-19-0030 BMCC 1440 Air <7.0 <0.002 0 0 7093-18-0030 Pace U. 1440 Air <7.0 <0.002 0 0 7093-20-0030 Coast Guard 1202 Air <7.0 <0.002 0 0

NS: Not sampled *Structure (S) roughly equivalent to fiber (f) ** Sample volume is based on pump reading *** Sample volume is below recommended limit for TEM analysis NA*’’: not analyzed due to overloading of particulates NA*’’: not analyzed for TEM ** Chrysotile **** Chrysotile NS: Not sampled

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S o I—i o o Io o co co LO OEM000016341 RST: 7/31/2000 CO (JI

NYC-WTC_000234828