NYC-WTC_000199424

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 8760 Filter Type / Filter .Area: MCE 385 mm- Lab Sample #: 7 Grid Opening Size: 0.01124

Client Sample #: 7 .Ar eaLxia milled: 0.04496 mm-

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 ■Analysis Date: 8/25/02

.Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or s EDS (Nonadb

0® c No M >=05 p Chrys Amphibole Nonasb Amfcig/ND No Coord Elements) <5p

sS X iL I

■ Struct = > (i 5(.i > 5:1 Aspect Ratio Grid acceptance

'J,= Positive diffraction pattern properties conforming to <50% undissoived filter overlapped or foldec Totals <10% particulate coverage >50% coverage ate laporatory identification criteria observed least 20 unfolded or overlapped grid squares <5% F Bic M \'= EDS spectrum conforming to laporatory holes or opaque areas Identification criteria observed Chrysotile .AMPHIBOLES i Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apan Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbesios Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected I_____________ __

CITY_21MC100_0 03033925

NYC-WTC_000199424