NYC-WTC_000189049

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NV'C BOE Volume /liters): 1952 Lab Group #: 5927 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 9 Grid Opening Size: 0.01124 Client Sample #: 9 Area Examined: 0.04496 mm^

GRID BOX: Ma2mfication: 20,000 GRIDED: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 11/19/01 Analysis Performed By: /H, fX

MICHAEL GORYCKI

GO. Structure : Structure Type Length ID of Structure Nor v EDS (Nonadb No F B C M >=05 u >=5|j Chrys Amphibole Nonasb Ambig/ND No. Coord <5tJ Elements)

XS.

Struct = > 0.5p _> 5:1 Aspect Ratio Grid acceptance: y= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% partioulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5u >/= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile ! AMPHIBOLES~1 Amphibole F = Single Fiber j Amosite B = Bundle (<3 fibers <1 fiber diameter apart I Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos j Tremolite M = Matrix Non-1 dentif;ed| Actinolite NSD = No Structures Detected

CITY_21MC100_003083370

NYC-WTC_000189049