NYC-WTC_000201923

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet ClientNam^ NV^C BOE Volume /liters): 1840 Lab Group #: 6718 Filter Type ,/ Filter Area: MCE 385 mm’ Lab Sample #: 7 Grid Opening Size: 0.01124 Client Sample #: 03 Area Examined: 0.04496 nun*

GRID BOX: 2 Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 2/18/02'

Analysis Performed By: MARK PEYSAKHOV

GO, Structure Structure Type Length ID of Structure 'Nor 7 EDS No, >=05 p ' (N.onadb F B- C M - >=5p Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)

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Struct = > 0.Opt > 5:1 Aspect Ratio Grid acceptance: 7= Positive diffraction pattern properties conforming to <5G% undissolved filter, 'Overlapped or folded Totals laboratory' identification criteria coserved <10% particulate coverage >50% coverage ate least 20 unfolded or o'lieriapped grid squares <5% ' F B' i C M >5tJ N= EDS spectrum conforming to laboratory holes or opaque areas icentification criteria ooserved Chrysotile ■AMPHIBOLES Amphibole F = Single Fiber Arrtesiie B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 liitersectiuiis) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_003269646

NYC-WTC_000201923