Ambient air sampling report Book Two for 105 Duane Street,

NYC 9/11 Public Portal Document

I TEM Asbestos (air) Count Sheet Client Name: ATC VOiurne f liters l: ': Ol) Lab Group T: 5350 Filter Type ! Filter Area: N.CF t ;;c Lab Sample T: 15 Grid Opening Size: 001 Client Sample Y: H-1 - Area Examined: 0.06-_s GRID BOY: Magnification: • GRID ID: AcceleratingVoltage: -= — IGf) `e`. Grid Openings: 6 Analysis Dale: ? i, 3; C ; I

Analysis Performed By: ROMAN P£YSAK} OV

3trlcture Stricture Trce Length ,D of Structure N or Nu F -:)~ icnaco

_ cI ''~~ 4mpnooie Nonaso Ameig;Mc

1 I Chris fc Courd <5u ' ~ =!ementsl iii ~ ~ ~ I i I ~ '7

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`~ n•Lfct — % ~.: u i 5. i .Asoect 2anu ?ua acceotanca: °osfdve diffraction oartern prcoemes conforming to < 0% unafssofved filter. ovenaopea or'oldec Totals ' auoratory !aenancauon ~:ntena I:oservea <50% oamcuiate coverage~l >5d%coverage ate east'_:0 unfoidea or overlapped grid squares <5% F h _ ciS :eecrum conrorming :o laooratory notes or oeaoue areas oenancauon cntena noserveo Chr/sottle ~r f ct_`L ingle Aanuluooie ber umcste cunule <.; "tiers Iber nfarnmer wean ., nc:ccfite Ambiguous i C = ;;uster >.1 lntersecaons: ?nncconvdite Arun-?sbestos , amen to I

I vi = Matrix -

c:ficllte On-ueraltiea NS C = No ;nuc:ores --atec:eo

NYC-WTC 000104431