NYC-WTC_000203543

NYC 9/11 Public Portal Document

TEM Asbesfos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 9089 Filter Type / Filter Area: MCE 385 Lab Sample #: 6 Grid Opening Size: 0.01124 Client Sample #: 06 Area Examined: 0 04496 mm-

GRID BOX: Magnification: 20,000 GRID ID: Accelerating ^^oltage: 100 KeV # Grid Openings: 4 Analysis Date: 11/11/02

Analysis Performed By: ROMAN PEYSAKHOV

GO Structure Structure Type Length ID of Structure Nor\ EDS No (Nonadb F B C M >=05 p Chrys Amphibole Nonasb Ambig/ND I No ' Coord <5m Elements)

■ 7 vi

4-5 .-fa

Photo No (from 1 in 5 asbestos containing samples) Gnd acceptance Struct = > 0 5 J .> 51 Aspect Ratio Totals >/= Positive diffraction pattern properties conforming to <10% particulate coverage >50% coverage ate laboratory identification criteria observed least 20 unfolded or overlapped grid squares <5% F B C M >5m holes or opaque areas ■7= EDS spectrum conforming to laboratory Chrysotile idenlificalion cntena observed 1 AMPHIBOLES I Amphibole F = Single Fiber Amosite . B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite । Ambiguous C = Cluster (>3 Intersections) I Anthophyllite | Non-Asbestos Tremolite M = Matnx Non-ldentified Actinolite NSD = No Structures Detected

CITY_21MC1OO_OO3O58538

NYC-WTC_000203543