NYC-WTC_000230010

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group ' 7149 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 14 Grid Opening Size: 0.01124 Client Sample #: 14 Area Examined: 0.04496 mm’ GRID BOX: MX Magnification: 20,000 GRID ID: Sit Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/20/02

Analysis Performed By; ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or 7 EDS No (Nonadb F B C M >=05 p >=51J ' Chrys Amphibole Nonasb Ambig/ND ; No Coord <5p Element)

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Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance: ■J= Positive diffraction pattern propedies conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overiapped grid squares <5% F B C M >5p EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile Iamphiboles 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 Actinolite Non-ldentified NSD = No Structures Detected

CONFIDENTIAL, CITY_21MC1OO_OO3388611 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000230010