NYC-WTC_000201243

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #: 7314 Filter Type / Filter Area: MCE 385 mir? Lab Sample #: 3 Grid Opening Size:, 0.01124

CUentSanipI^ 03 Area Examined: 0.04496

GRID BOX: Magnification: 20 000 GRIDED: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 4/3/02

Analy.sis Performed By: MARKPEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or x/ EDE ■ (Nonadb No F B C >=05 M I >^5)7 Chrys Amphibole Nonasb Ambig/ND No i Coord ■ <5(J i Elements)

Struct = > 0.5p _> 5:1 Aspect Ratto 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 unfo ded or overlapped grid squares <5% F B C M >5|J V= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole r = Single Fiber Amosite B - Bundle (<3 fibers <1 fiber diameter apart Crocidolite .Ambrauous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos. Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_011275512

NYC-WTC_000201245