NYC-WTC_000225982

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NA^C BOE Volume (liters): 1944 Lab Group #: 6277 Filter Type / Filter Area: MCE' 385 mm" Lab Sample #: 14 Grid Opening Size: 0.01124

Client Sample #: 14 Area Examined: 0.04496 mm"

GRID BOX: Mapnification: 20,000 GRID ID: .Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 1/7/02

Analysis Performed By: ■ MARK PEYSAKHOV

GO. ■ Structure Structure Type Length ID of Structure Nor\ EDS ■ No (Nonadb ■ F -B C M ■>=05 p ?=5p Chrys Amphibole Nonasb Ambig/ND No 'Coord <5p . Elements)

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Struct = >0.5p >5:1 Aspect Ratio Grid acceptance: <= Positive diffraction pattern properties conforming to ^50% undissolved filter, overlapped or folded ' Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5p y= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chry'sotile AMPHIBOLES , Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite ! Non-Asbestos M = Matrix T remolite Actinolite i Non-ldentified NSD = No Structures Detected

CITY_21MC100_000622797 NYC-WTC_000225982