NYC-WTC_000201227

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: WC BOE Volume (liters): 1840 Lab Group #: 7291 Filter Type / Filter Area: MCE '3 85 Lab Sample #: Grid Opening Size: 0.01124

Client Sample #: 03 Area Examined: 0.04496 mirf

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

Analysis Performed By: ROMAN PEYSAKHOV.

GO. Structure Structure Type Length ID of Structure Nor M EDS No F B C M r )>=5(J i Chrys Ampnioole Ncnasb Ambig/ND (NonadD Elements) ) zs No Coord <5p

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. I t 1- ,Struct = > 0.5 u > 5:1 Aspect Ratio - Grid acceptance: 4= Positive diffraction pattern properties conforming to <50% undissolved filter overlapped or folded Tot^ laboratory identification criteria observed <'C% particulate coverage >50% coverage ale least 20 unfolded or overlappec grid squares <5% F B i C M >5u ■/= EDS soectrun conforming to laboratory doles or opaque areas identification criteria obser/ed. Chrysotile AMPHIBOLES Amphibole F = Single Fibe' Amosite B = Bundle 2'5 fibers <1 fi'oet diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Mon-Identified Actinolite hSD = Nc Structures Detected

CITY_21MC1OO_O1127549O

NYC-WTC_000201229