NYC-WTC_000229296

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volnme (liters): 1824 Lab Group #: 8119 Filter Type / filter Area: MCE 385 Lab Sample #: 10 Grid Opening Size: 0.01124 Client Sample #: 12 Area Examined: 0.04496 mm^ GRID BOX; 42.^' Magnification: 20,000 GRIP ID; Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Pate: 6/15/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Sfructure Type Length IDofStr«*rre Nor V EDS No Amphibote Nonaab [Nonadb F B C M >=05 p :>=5p Cftrys AfflbigW No Coord <5p Etemenls} /

2 1

Struct = > 0.5g >5:1 Aspect Ratio Gridaoceptsns: ^--Positi«dffiracto.palterr,prt«^ JJJ Xatals laboratory identiScalion crteria observed <10% particulate coverage >50% coverage ate least 20 unfolded »rwertapped grid squares <5% F B C M >5p EOS spectrum conforming to laboratory holes or opaque seas identfficafon criteria obsaved Chrysotile AMPHIBOLES ’ Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidoiitfi Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos TrenxMite M = Matrix Actinolite Non-Identificd NSD = No Structures Detected

CITY_2IMCl00_000491901 NYC-WTC_000229296