NYC-WTC_000193381

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Shee Client Name: NYC BOE Volunu 1816 Lab Group #: 8213 Filter Type / Fili MCE 385 mm^ Lab Sample #: 7 Grid Open, 0.01124

Client Sample #: 10 Area Ex 0.04496 mm^

GRID BOX: Maon. 20,000 GRID ID: Acceleratiivj 100 KeV # Grid Openings: 4 Anal' 6/22/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Strir 9 EDS No (Nonadb F B C >=05 p >=5iJ Chrys Amphibole Ambig/ND No Coord <5|J Elements)

-J CT A

______ I III Struct = >0.5p >5:1 Aspect Ratio Grid acceptance: V= Positive diffraction pattern properties corforming to <50% undissolved filter, overlapped or folded ;s laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% B C M >5p EDS spectrum conforming to laboratory holes or opaque areas idertification criteria observed Cl:, AMPHIBOLES Air, F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apar Crocidolite Ami C = Cluster (>3 Intersections, Anthophyllite Non-A> Tremolite M = Matrix ' Non-Idt' Actinolite NSD = No Structures Detected

CITY_21MC1OO_OO3O94569

NYC-WTC_000193381