Ambient air sampling report Book Two for 105 Duane Street,

NYC 9/11 Public Portal Document

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TEM Asbestos (air) Count Sheet n Client .N ame: Lab Group #: ATC 6159 Volume (liters): Filter Type / Filter Area: 1300 MCE _ 85 mn;= Lab Sample #: 7 Grid Opening Size: 0.01 124 I Client Sample #: 10 Area Examined: 0.0674"1 mrr.= GRID BOX: 6 % Magnification: 20.000 I GRID ID: . Accelerating Voltage: 100 Ke`' J 71 # Grid Openings: 6 Analysis Date: 12/20/01

Analysis Performed By: /~/~ NLLRK PEYSAKHOV I G0. j Structure Structure Type Length ID of Structure N or v EDS No F (Nonado No Coord 6 C M '=05 N >=j~ ChryS Ampn!ooie Nonaso AmoiglND <5u Elements) I

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Struct = > 0.5.s > 5: ! Aspect Ratio Grip acceptance: v= Positive diffraction oattern properties conforming to <50% undissowed filter, ovenapped or foiaec Totals laboratory oentification criteria ouservea <10% parncuiate coverage 550% coverage ate least 20 unfolded or overlapped grid squares <59b '/ EDS spectrum conforming tc laboratory holes or opaque areas 1~ B C M >5u oentificatior cntena observed Chrvsorile I ~ AMPHIBOLES Amphibole I = Single . iber Amosite B = Bundle (<3 fibers <1 fiber diameter agar Crocidolite Ambiguous 1 1 i 1 _ duster (>3 intersections) Anthoonyllite Non-Asbestos Iv) = Matrix 'remolite Actinolite Non-Idenntied NSC = No Structures .Detected -.__---- .

NYC-WTC 000104484