NYC-WTC_000202151

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1928 LabCrpup^ 8719 Filter Type / Filter Area: MCE 385 mm" Lah Sample #: Grid Opening Size: 0.01124 . Ciient Sample #: 02 Area Examined: 0,04496 mm’ GRID BOX: /3^ Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 8/20/02

Analysis Performed By: ROMAN PEYSAKHOV

GC. Structure Structure Type Length ID of Structure N or 9 EDS No (Nonadb F B C M >=05 p : '=5tJ Chrys Amphibole Nonasb Amoig/ND ■No Coord <5p tiements)

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Struct = > 0.5g .> 5:1 Aspect Katio Grid acceptance: Positive diffraction pattern properties conforming to <50% urdissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coveiage ate least 20 unfolded or ovenapped grid squares <5% F B C M >5m EDS spectrum conforming io laboratory holes or opaque areas loentification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite 3 = Bundle (<3 fibers <1 fiber diameter apart Crocidotte Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD =.No Structures Detected

CITY_21MC100_003270312

NYC-WTC_000202152