Ambient air sampling report Book Two for 105 Duane Street,

NYC 9/11 Public Portal Document

I TEM Asbestos (air) Count Sheet ■ t-ttent Name: A ` olume I litera: Lab Group : 550 Filter T vD,, ' Filter Ara: MOE 3S. r.-,m,- Lab Sample #: 14 Grid Opening Size: 0.0 i Client Sample #: H-: - Area Esa:nined: 0.06-a-L r „ GRID BOX: ia' Magnification: 20.0)0 GRID ID: Z-L''C Accelerating Voltage: 100 ILeV ■ # Grid Openings: 6 Analvsis Date: I '. S, 0 I

• Analvsis Performed By: ~ RONLAN PEYSAK{HO V

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Su-ucr - = U..iu % is I Aspe..: Ratio Gnd acceptance: = Positive diffraction pattern orooemes ccntcmung 'o <50% unaissorved filter, ovenagnea or olden Totals aooratory eentincation c¢ena ooserved <" 0% particuiate coverage '50% coverage ate east 20 unfolded or overlapped and squares <5% g yi u ~I= _'S stectrum conrormmg to ~aDorafON 3 - notes ur ooaaue areas identification cntena ooservea Ciu^ some VIPHIEQLES ,Amiuboie F = Single Fiber P Amosrte S = Sunole <2 :fibers <1 iber aiameter apart Croc:ooute a mditguous C 2 2;usterI>3 intersec:Icnsl ?ntnoonvilit@ Von-~SbP,$tos M = Natnx Tremotite cnnorite ` on-Iun en.iea NSu = No S iruc:ores Ceteceo

NYC-WTC 000104430