TEM Asbestos air sample results, NYC BOE, Mar 2002

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1816 Lab Group #: 6933 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: J Grid Opening Size: 0.01124 Client Sample #: 06 Area Examined: 0^04496 mm-

GRID BOX: ^9^ Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/5/02

Analysis Performed By: - ROMAN PEYSAKHOV

GO Structure i Slructure Type Length D of Structure \ or v' EDS (Nonadb No I F rB 'I C- i' ■M >=05 u I >=5(J Clary'S CAmphiboteC Nonasb Ambig/ND Etemerls) No Coord <5m ----------i,----- --------------------- i ----------- 1 __ ___ ___ It__ /-Ki -h

i 1---- H

i----- 1

Struct = > d 5p >5! A.spect Ratio Grid acceptance:

Positive diffraction pattern properties conforming to <50“o undissoived filter overlapped or folded TotMs <10% particulate coverage >50% coverage ate laboralor/ identification criteria observed east 2C unfolded or overlapped grid squares <5% F i B i C i M .; EDS spectrum corforming to iaDoratcry noie^s or opaque areas identification criteria ocserued Chrvsotile .A^VIPHIBOI.:S-S •Amphibole r = Single Fioer •Amosite Crocidolite •Ambiguous B = Bunole (<3 fibers <1 fiber ciameter apart C = Cluster f>3 intersections) Anthophyllite Non-.Asbestos Tremolite M = Matrix No 11-Identified Actinolite MSD = No Structures Detectea

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