NYC-WTC_000207591

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Laib Group #: 8210 Filter Type / Filter Area: MCE . 385 mm^ Lab Sample #: 6 Grid Opening Size: 0.01124

Client Sample #: 6 Area Examined: ■0.04496 mm^

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 6/22/02

Analysis Performed By: ' MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or Z . EDS No,’ 3;^05m (Nonadb F B C M >=5p Ohrys Amphibole Nonasb Ambig/ND ' No ; Coord <5p Elements)

a

Struct = > 0.5|i >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 EDS spectrum conforming to iahoralory holes or opaque areas . identification criteria observed Chrysotile "amphiboles ; Amphibole F = Single Fiber i Amosite . j B = Bundle (<3 fibers <1 fiber diameter apart ; Crocidolite j Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite i M = Matrix Actinolite ' Non-Identified NSO = No Structures Detected .

CITY_21MC100_0 03015461

NYC-WTC_000207591