NYC-WTC_000202016

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1800 Lab Group #: 7172 Filter Type / Filter Area: MCE 385 mnE Lab Sample #: 14 Grid Opening Size: 0.01124. Client Sample #: 14 Area Examined: 0.04496

GRID BOX: Magnlflcation: 20 000 GRIDED: .Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/23/02

Analysis Performed By: MARKPEYSAKHOV, [1 GO. Structure Structure Type Length ID of Structure t\ or 'I EDS (Nonadb. No F B C M >=05 p I ■=5p Chrys Amphibole Nonasb Ambig/ND - No Coord <5u Elements)

2 .3

1 . ■ |;

StrLict = > 3.5p > 5:1 Aspect Ratio Grid acceptance; V= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped ar folded do tills <"0% particulate coverage >50% coverage ate r laboratory identification criteria observed least 20 unfolded or overlapped grid squares <5% F B C M >5iJ ■/= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed ■ Chrysotile . AMPHIBOLES I Amphibole .F = Single Fiber Amosite B = Bundle (<3 fibers <1, fiber diameter apart Crocidolite i - Ambiguous .',G - Cluster {>3 Intersections) Anthophyllite I Non-Asbestos Tremolite t ■ IM = .Matrixt t; ■ Non-Identified I Actinolite - 1 ; NSC = No Structures Detected

CITY_21MC100_011275989

NYC-WTC_000202016