Ambient air sampling report Book Two for 105 Duane Street,

NYC 9/11 Public Portal Document

I TEM Asbestos (air) Count Sheet ■ l_itent 'arm: ATC Volume i liters : 1 _ )0 Lab Group #: 55850 Filter Type , Filter Area: N F- 385 mr.7' Lab Sample T: 13 Grid Opening Size: 0.01 124 Client Sample 7: H-i - Area Examined: 0.067;4 m^ GRID BOX: 5 yta?nifcatiott: 20.000 ■ GRID ID: Accelerzting Voltage: ;QO h~V r Grid Openings: b Analysis Date: ■ i 1.'Si01

Analysis Performed By: r • ROfVLAN PEYSAKHOV

GO Structure 'truc:ure -/pe i Length C or Structure Nor SS No F E C I M >=O5 . Chris i Amonibcle Ncnasa 1morgiNC INonadt r'to Coord I <gµ I Eementsi

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I Struct = =• 0.~ u > 5:! Asoect Ratio 3na accaatance: •d= Positive aiHraction pattern prooerrres antorminq :o <,.l0~o unaissolvea filter, ovenaooeo ortolaed Totals laooratory ~oennticauon citena ooservea <10o particulate coverage 9 >50% coverage9 ate east 20 unfoiaee or overlapped gna scuares = % -•i= EIS ocectrum conrorming to aooratory Holes or ooaaue areas Iaentiticanon c;itena onserveo Car• sine a MPu?PCILPS F = Single F:bet mpntooie Arnesite 8 = 8unaie i<3 riders •:I fiber diameter aoan Cccc,nciite ~mbt uuus

■ C = Custer >5 'ntersecaonsl Antttcpnvilite ~cn-zsnestos M = Vatnr. Tremorite Acanou[e 'r ,n ueat.r:ec NS = No Structures Oetec:ea

NYC-WTC 000104429