NYC-WTC_000203549

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NAT BOE Volume (liters): 1944 Lab Group #: 9089 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: 11/11/02

Analysis Performed By: ROMAN PEYSAKHOV

GO Structure Structure Type Length ID of Structure Nory EDS (Nonadb No F B C M >=05 p Chrys Amphibole Nonasb Ambig/ND No' Coord <5p Elements)

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Photo No (tram 1 n 5 asbestos containing samples) Grid acceptance Struct = > 0.5|j > 5 1 Aspect Ratio <50% undissolved filter, ovedapped or folded Totals ■/= Positive diffraction pattern properties conforming to <10% particulate coverage >50% coverage ate laboratory identification critena observed least 20 unfolded or overlapped gnd squares <5% F B C M >5m holes or opaque areas ^= EDS spectrum conforming to laboratory Chry'sottle identification critena observed i AMPHIBOLES~! Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) I Anthophyllite Non-Asbestos I Tremolite M = Matrix Non-ldentified ) Actinolite NSD = No Structures Detected

CITY_21MC100_0 03058546

NYC-WTC_000203549