NYC-WTC_000201675

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1805 Lab Group #: 7574 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: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 4/29/02

Analysis Performed Ry: /y ROMAN PEYSAKHOV

GO. Structure Struc:ijre Type Length ID of Structure Norv EDS No (Nbnadb F B C M >=05 (J Chrys Arrptiiboie Nonasb Ambig/ND Elements) 7 f/vQ <5|j

\ P /j -A— / i

Struct = > 0.51 > 5:1 Aspect Ratio Grid acceptance;

7= Positive diffraction pattern properties conforming to <S0% undisscived filter, overlapped or folded Totals laboratory icsntification criteria observed <10% particulate coverage >50% coverage ate

N eds spectrum conforming.to laboratory least 20 unfolded or overlapped crid squares <5% holes or opaque areas F B I C M >5p identification criteria observed Chrysotile ■AMPHIBOLES Amphibole F = Singie Fiber Amosite 6 = Bunole (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 irtersections) Anthophyllite Non-Asbestos ■ Tremolite M = Matrix Non-Identified I Actinolite NSD = No Structures Detected

CITY_21MC100_011275792

NYC-WTC_000201688