NYC-WTC_000229331

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volnme filters): 1800 Lab Group 8178 Filter Type / Filter Area: MCE 385 Lab Sample #: 11 Grid Opening Size: 0.01124

Client Sample #: Area Examined: 0.04496 mm^

GRID BOX; Magniflcatiop; 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 6/19/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Sfructure Structure Type Length ID of Structure Nor V EDS No Aniph4»)e (Nonadb F B C M ;>=5p Chrys Ncnasb <5m Elements)

Struct = > 03p >5:1 Aspect Ratio Grid acceptance; Posrtive diffraction pattern propwliea conforming to <50% urtPissoAed Star, ovartspped or folded Totals laboratory identification otaria observed <10% particulale cowage >50% cowage ale l«d 20 unfolded or owtapped grid squares <5% F B C M >5n EDS ^tediwt conforming to laboratory holes or opaque seas Identification cntenaoiMervod Chrysotile amphiboles I Amphibole F = Single Fiber Amosite B = Bundle (<3 libera <1 fiber diameter apart Croctdollte Ambiguous C = Ouster (>3 Inteoeetions} < Anthophyllite Non-Asbestos Tremolite M ^Matrix Actinolite Non-Identified NSD’s No Structures Detected

CITY_21MC1OO_OOO491973 NYC-WTC_000229331