NYC-WTC_000203600

NYC 9/11 Public Portal Document

TEM Asbestos (MICROVAO Count Sheet Client Yame: NYC BOE V’dltime (ML): 20 Lab Gi oiip 64 SI Suii’ace Ai ea Sampled 100 Lab Sample #: I4 Clieiit Sample 9(i~HN Maonif'i cation: 20.000 GRID BOX: .Yccelerating \ oltage: 100 KeV GRID ID: # Grid Openings: 5 AjialysisDati^ 1/28/02

■Analysis Performed By: .MARX PEYSAKHOV

GO. Structure Structure Type Length ID of Structure EDS No M iNonadb Chrys Amphibole i Nonasb Ambig/ND Eiernents)

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Struct • 5 Oli > 3:! Aspect Ratio Grid acceptance: 4= f^osilive diffract:tior pattern properties confcrming to <50% undissolved filter, overlapped or folded Totals laboratory identincation criteria ooserved <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M i >5p v/: [IDS spectrum conforming to laboratory holes or opaque areas iden ification criteria ooserved Chrysotile AMPHIBOLES Amphibole } F = oingle Fiber Amesite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous Anthophyllite Non-Asbestos C = Cluster j>o intersections) T remolite i I M = Matrix j Non-ldentified Actinolite NSC = No SfoiCitires Detectec

CITY_21MC1OO_O1O22O349

NYC-WTC_000203600