Ambient air sampling report Book Two for 105 Duane Street,

NYC 9/11 Public Portal Document

I TEMI Asbestos (air) Count Sheet Client Name: ATC Volume (liters): 1300 Lab Group #: 608 Filter Type / Filter Area: NICE 385 mm= Grid Opening Size: 0.01124 I Lab Sample #: Client Sample #: 8 8 Area Examined: 0.0744 mm=

GRID BOX: [agnification: 20.000 J GRID ID: # Grid Openings: 6 ~y Accelerating Voltage: Analysis Date: 100 Key 12/130i

I Analysis Performed By: MARK PEYSAKHOV

7 GO. Structure No Structure Type F B C M >=05 u Length 1 >=5p ChryS 10 of Structure Amphibole Nonaso N or •d Amoig/ND EDS (Nonacb No Coord <5u 1 Elements)

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I 'i= Positive diffraction pattern properties conforming to <50% unoissalvec filter, overlapped or folded Totals !aooratory identification criteria observed <10% particulate coverage >50% coverage ate east 20 unfolded or overlapped grid squares <5% F ! B C M >5u v = EDS spectrum conforming to laboratory holes or opaque areas I identification criteria observed j Chrvsotile I AMPHIBOLES Amphibole 1 I F= Single Fiber Amosite

U B = Bundle (<3 fibers <1 fiber ciameter apart C = Cluster f>3 Intersections) Crocidolite Anthopnyllite Ambiguous Non-Asbestos — T — i Tremolite M = Matrix Non-Identified

J Actinclite NSD = Na Structures Detected __. — - ----- ±

NYC-WTC 000104508