NYC-WTC_000201374

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1 S40 Lab Group #: 7381 Filter Type / Filter Area: MCE ,385 mm* Lab Sample #: 1 Grid Opening Size: 0.01124

Client Sample #: 01 Area Examined: 0.04496 mm*

GRID BOX: Magnification: 20,00.0 GRID ID: Accelerating Voltage: 1,00 KeV # Grid Openings: 4 Analysis Date: 4/11/02

xAnalysis Performed By: r ROMAN PEYSAKHOV

GO. ■Structure Structure Type Length ID of Structure N or 7 EDS (Nonadb No C M i >=05 p : •=5iJ , Chrys Amphibole Nonasb Ambig/ND . No Coord Elements) <5p

■g 1/ (/ /OE Q

Struct = > 0.5p. > 5:1 Aspect Ratio Grid acceptance:

Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5iJ •/- EDS spectrum conforming to iaooratory holes or opaque areas identification criteria observed Chrysotile - AMPHIBOLES I Amphibole F = Single Fiber Amosite B = Bundle i <3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections! Anthophyllite .i Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

NYC-WTC_000201374