NYC-WTC_000217649

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1872 Lab Group #: 8227 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: n Grid Opening Size: 0.01124

Client Sample #: 14 Area Examined: 0.04496 mm^

GRID BOX: Magnification: 20,000 GRIP ID: Accelerating Voltage: too KeV # Grid Openings: 4 Analysis Date: 6/23/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Stnjcture NorV EDS Mo >=05 p I Amphibole Nonasb (Nonadb F B C M >=5p' Chrys Ambig/ND Elements) No Coord

VS /S z

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 >5p EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile ['amphiboles "{ Amphibole F = Single Fiber Amosite i B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) ; Anthophyllite ) Non-Asbestos T remolite M = Matrix ■ Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_002877497

NYC-WTC_0002 17649