NYC-WTC_000201062

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet ClientNam^ NYC BOE Volume (liters): 1805 Lab Group #: 7832 Filter Type / Filter Area: MCE 385 mm* Lab Sample #: 16 Grid Opening Size: 0.01124

Client Sample #: 16 Area Examined: 0.04496

GRID BOX: Magnification: 20,000 GRID ID: 7 Accelerating Voltage; 100 KeV # Grid Openings: 4 Analysis Date: 5/22/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length I ID of Structure N or 7 EDS (Nonado I No F ' B C M ■=05p >=5iJ ) Chrys Amphibole' Nonasb Ambig/ND ___ No Coord <5p Elements)

7 ■ 4

Struct = > O.Sju > 5:1 Aspect Ratio Grid acceptance; ■ 7= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfodsd or overlapped grid squares <5% F B C M >5p 7= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter acart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M - Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_011275372

NYC-WTC_000201077