NYC-WTC_000203514

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1928 Lab Group #: 9204 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 15 Grid Opening Size: 0 01124

Client Sample #: 15 Area Examined: 0 04496 mm-

GRID BOX: Magnification: 20,000 GRID ID: 2^ 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 Nor'/ EOS (Nonadb No F B C M >=05 M Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elemenis)

ZEZ

1 i -^hoto No (from 1 in □ asoestos containing samples) Gnd acceptance Struct = > 0 bu > 5.1 Aspect Ratio <50% undissolved filter overlapped or folded Totals V = Positive aiffraction pattern properties conforming to <101o particulate coverage >50% coverage ate laooraiory ideniificaiion catena obsetvea least 20 unioloed or overlapped grid squares >5|j <5% holes or opaque areas F B C M '/= EOS spectrum conforming to laboratory loeniificaiion criteria ooserveo Chrysotile i AMPHIBOLES F = Single Fiber Amphibole ' Amosite S = Sunale {<3 fibers <1 fiber diameter apart i Crocidolite Ambiguous C = Cluster (>3 Intersections) I Anthophyllite ' Tremolite Non-Asbestos M = Matrix : Actinolite Non-Identified rqSC = No Structures Detected

CITY_21MC100_003058360

NYC-WTC_000203514