NYC-WTC_000202151

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1936 Lab Group #: 8719 Filter Type / Filter Area: MCE 385 Lab Sample #: 16 Grid Opening Size: 0.01124 Client Sample #: 16 Area Examined: 0.04496 nW

GRID BOX: /?F/ Magnification: .20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 8/20/02

.Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or 1 ' EDS , ,. ,r-cu— (Nonadtt No F B C M ■=05 p Chrys Amphibole Nonasb AmfaigFND , No 'Cool'd <5|j I Elements

y

zW

Struct = >0.5p >5:1 Aspect Ratio - . Grid acceplanoe:

y= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >53% coverage ale least 20 unfolded or overlapped grid squares <5% F F B I C M >51J EDS spectrum, conforming to laboratory holes or opaque areas L identification criteria observed Chrysotile AMPHIBOLES t Amphibole F = Single Fiber Amosite I B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite ; Ambiguous C = Cluster (>3 Intersections; Anthophyllite Non-Asbcstos Tremolite M = Matrix Nomldentified Actinolite NSD = No Structures Detected

CITY_21MC100_003270326

NYC-WTC_000202166