NYC-WTC_000201823

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Slieet Client Name: NYCBGE Volume (liters): 1840 Lab Group #: 6939 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 10 Grid Opening Size: 0.01124 Client Sample #: 10 i) Area Examined: 0.04496 mm^

GRID BOX: r ■ i Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/5/02 0

Analysis Performed By: ,MAJBX'PEY.SAKHOy

GO, Structure Structure Type Length ID of Structure N or 9 t EDS ■ (Nonadb No F B C M >=05 p- :>-5)j ; Chrys Amphibole Nonasb J Ambig/ND No Coord <5|J Elements)

A ■ i ■ ■

Struct = > 0.5(1, > 5; 1 Aspect Ratio t r •/= Positive diffraction pattern propeiiies conforming to i 1^50% undissoived filter, overlapped or folded Totals labo'alory identification criteria observed <10% particulate coverage >50% coverage ate ■ least 20 unfoided or overlapped grid sqtares <5% F B C >5p 9=.EDS spectrum conforming to'labo'ratory holes or opaque areas. ' " i idenrification criteria observed. Chrysotile AMPHIBOLES Amphibole - = Single Fiber ? f , Amosite 3 = 3undte AS fibers' <1 fiber diameteriapart ■ Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthopbyiiite Non-Asbestos Tremolite M = Matrix Non-Idcntified Actinolite i NSD = No Structures Detected

CITY_21MC100_003269190

NYC-WTC_000201823