NYC-WTC_000207783

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1818 Lab Group #: 7753 Filter Type / Filter Area: MCE 385 mnr Lab Sample #: 32 Grid Opening Size: 0.01124

Client Sample #: 34 Area Examined: 0.04496 mm’

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: WO KeV # Grid Openings: 4 Analysis Date: 5/16/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or v/ EDS No >=05 p (Nonadb F B C M >=5p Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)

7/^ 2^2

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Struct = > 0,5p >5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to ^50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped gnd squares <5% F B C M >5p ■ >/= EDS specrurt: conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_003016531

NYC-WTC_000207814