NYC-WTC_000207919

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 9205 Filter Type / Filter Area: MCE 385 mnV Lab Sample #: J Grid Opening Size: 0.01124

Client Sample #: 05 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20.000 GRipiD: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 12/23/200

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or EDS No (Nonadb F B C M >=5p Chrys Amphibole Nonasb Ambig/ND Elements) J No Coord <5pi

iV I ;? y___ a

Photo No, tirom 1 in 5 asbestos containing samp es) Grid acceptance- Struct = > 0.5p > 5:1 Aspect Ratio <50% unaissolved filter, overlapped or folded Totals Positive diffraction pattern properties conforming to <10% particulate coverage >50% coverage ate laboratory identification catena observed least 20 unfolaed or overlapped grid squares F B C M >5c I <5% holes or opaque areas 'I- EDS spectrum conforming to laboratory Identification cntena observed Cbrvsotile ! AMPHIBOLES j Amphibole r = Single Fiber Amosite 3 = Bunale (<3 fibers <1 fiber diameier apart Crocidolite Ambiguous I Anthophyllite C = Cluster (>3 Intersections) Tremolite Non-Asbestos M = Matnx Actinolite Non-Identified NSD = No Structures Detectea

CITY_21MC100_003017184

NYC-WTC_000207919