NYC-WTC_000228739

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume Biters): 1800 Lab Group #: 7614 Filter Type / Filter Area: MCE 385 mm^ Lab Sample ft: 13 Grid Opening Size: 0.01124

Client Sample #: 15 Area Examined: 0.04496 mm^

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openinss: 4 Analysis Date: 5/2/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length IDofSbufdtire N or V ED-S No {Nonadb F B I C M >=5sj Chrys Amphibole Nonasb Ambig/ND No Coord <Sm Elements)

J

1

Struct = > 0.5p >5:1 Aspect Ratio . Grid acceptance: Totals laboratory identification c'iteria observed least 20 unfolded or overlapped grid squares <5% F B C M ; >5u 4-EDS sperrtrum oonformirg to laboratory botes Of opaque areas identificaflon criteria observed Chrysotile ArMPHlBOLES Amphibole F = Single Fiber Amosite 0 « Bundle (<3 Abers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster f>3 titersectons' Anthophyllite Non-Asbestos Tremolite M = Mafrix Actinolite ! Non-Identified IMSO = No Struittures Detected

CITY_21MC100_002901598

NYC-WTC_000228739