NYC-WTC_000214487

NYC 9/11 Public Portal Document

lEM Asbv tos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1928 Lab Group #: 7894 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 2 Grid Opening Size: 0.01124 Client Sample #: 02 Area Examined: 0.04496 mm^ GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 5/29/02

Analysis Performed By: __ R( ;anpeysakhov

GO. Structure Structure Type • ogth ID of structure Norv EDS (Nonadb No F B C M >=05 >=5|J Chrys Amphibole Nonasb Ambig/ND Coord Elements)

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Struct = >0.5u >5:1 Aspect Ratio Grid accepta: V= Positive diffraction pattern properties conforming to <50% undiss. Iter, overlapped or folded Totals laboratory identification criteria observed <10% partic verage >50% coverage ate least 20 uni overlapped grid squares <5% F B C M >5p 'i= EDS spectrum conforming to laboratory holes or oj... as identification criteria observed Chrysotile AMPIi: ;s Amphibole F = Single Fiber An- B = Bundle (<3 fibers <1 fiber diameter apart Croc Ambiguous C = Cluster (>3 Intersections) Anth-: e Non-Asbestos Tret- M = Matrix Non-Identified Ac NSD = No Structures Detected

CITY_2IMCl0 0_0 00462875 NYC-WTC_000214487