NYC-WTC_000223677

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE yolumejJil££5)i 10 2 S Lah Group #: 7371 Filter Type ' Filter .Area: MCE 3S5 mni । ! Lab Sample #: Grid Opening Size: 0 01124 I

Client Sample #: 07 Area Examined: 0.04496 mm-

GRID BOX: Maenification; 20.000 GRID ID: Accelerating Voltage: 100 Ke\' # Grid Openings: 4 AnalysisDate: 4 10 02

Analysis Performed By: MARK PEYSAKHOV

J GO. Structure Structure Type Length ____ i____ ID of Structure N or s No ..vonacc F B C M >=05 u -5(j i Chrys Amphibole Nonasb I A.mbig/NC Mo Coord <5p cerre-’ts) --------- ----------- •s>

a’

7" ]—7-

+—

Struct - > O.Sp .> 5:1 zKspect Ratio Gnd acceptance

V = Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratoiy identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or ovenapped grip squares <5% f F B ' C ' M V - ED'S spectrum conforming to laboratory holes or opaque areas I Identification cniena observed Chrysotile i ■AMPHIBOLES Ampin hole ■ F = Single Fibei Amosite 3 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiqiious C = Cluster '>3 .ntersectionsj Anthophyllite \on-Asbestos T remolite M = Matrix Actinolite 1 Non-identified ■NSD = .'10 Structures Detected

CITY_21MC100_002919729

NYC-WTC_000223677