NYC-WTC_000190342

NYC 9/11 Public Portal Document

TEM Asbestos (air^ Count Sheet Client Name: NYC BOE Volume (liters): 1880 Lab Group #: 6331 Filter Type / Filter Area: MCE 385 mnV Lab Sample #: 5 Grid Opening Size: 0 01124

Client Sample #: 07 Area Examined: 0 04496

GRID BOX: GRID ID: zYL Magnification: Accelerating Voltage: 20,000 100 KeV # Grid Openings: 4 Analysis Date: 1/14/02

Analysis Performed By: fK Z ROMAN PEYSAKHOV

GO Structure Structure Type Length ID of Structure Nor v EDS (Nonadb No F B C M >=0^11 :>=5|j Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)

ss _5_ Pg fi 6

Struct = > (J 5p >5 I Aspect Ratio Grid acceprance x/ = Positive diffraction pattern properties conforming to ondissolved filter, overlapped or folded Totals laboratory identification critena observed <10% particulate coverage >50% coverage ate least 20 unfolded oroveriapped gnd squares <5% F B C M >5u '/= EDS spectrum conforming to laboratory holes or opaque areas Identification cntena observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matnx Actinolite Non-Identified NSD = No Structures Detected

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NYC-WTC_000190342