NYC-WTC_000201994

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE . Volume fliters): 1920 Lab Group #: 7195 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 5 - Grid Opening Size: 0.01124 Client Sample #: 05 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20 OOG GRIDED: Accelerating Voltage: 1OG KeV # Grid Openings: 4 Analysis Date: 3/24/02

Anaiysis Performed By: /. MARK'PEYSAKHOV.

GO. Structure Structure Type Length ID of Structure N or S' : EDS (Nonadb No/ t- B c- >=06 pi >=5)J Chrys Amphibole Nonasb Ambig/'ND Elements) No Coo'd <5p

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Struct = > 0.5)1 > 5; 1 Aspect Ratio Grib acceptance: 1

7 = Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped orfoided Totals <10% particulate coverage >50% coverage ate laboratory identification criteria observed least 20 unfolded or overlapped grid squares <5% f C M ^5p 7= EDS spectrum conforming to laboratory holes or opaque areas Identification criteria observed Clirysotile AMPHIBOLES > Amphibole F = Single Fiber Amosite ii B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite i : Ambiguous e - Cluster(>3 Intersections) ' Anthophyllite i Non-Asbestos Tremolite M M = Matrix Actinolite ' Non-Identified : NSD-No Structures Detected

CITY_21MC100_011275958

NYC-WTC_000201994