Ambient air sampling report Book Two for 105 Duane Street,

NYC 9/11 Public Portal Document

TEST Asbestos fairy Count Sheet L 1lC1lL .'alt1L'. ATC volume (liters t: i 3 )0 Lab Group T: 8850 Fiber TyTJe / Filter Area: tiICE 385 mm= Lab Sam>;le : I Grid Opening Size: 0.011,- Client Sample T: I - Area Examined: 0 067"-t mm- GRID BOX: Magnificaron: 20.000 Acceieratinl voltage: 100 Ke`v- 11 Grid Openin`s: 6 Analysis Date: 11; S01

Analysis Performed By: J__ ROMAN PEYSAKF:Ov

3C Structure I Structure Type Length IO of Structure Nor N I -'7S INC F >=05 N INonaob No d C - M >=5N C5P/ s Amphibole Nonaso Amci4/ NC Coord . SN I E:ementsi

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Struc: _ > 0.5u > :. 1 A;pec: Ratio Soo acceptance: _ =osiuve aiffracnon oartem crooemes conrorming to <5Q% undissoived filter, ovenaopeo or tcioeo Totals aooratorvioentmcadon criteria ooservea <10% parnculate coverage >50% coverage ate least 20 unrolded or ovenappea grid squares 5% :DS mecn'Um conforming to !acoratorv holes or opaque areas F B L aendncanon critera oeservea Chr,soaie • a.l! F IBOLES = ingte Fiber Amnhtbole _ I Amoslte n ?una[e l<•.' libels '=' fiber ilameter aaart A nbieuclIs Crociooiite I , ;uster'>', 'ntersecnonsj Anthoonyuite Lqn-AbUstos YI = 4latnx Tr'emolite Cttno ite — Non-Iuennried I I I .- = :dr) true:ura.s --.etec:

NYC-WTC 000104417