NYC-WTC_000201960

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lah Groiin #: 7248 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 7 Grid Opening Size: 0.01124 Client Sample #: 07 Area Examined: 0.04496 mm’ GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/28/02

Analysis Performed By: MARK PEYSAKHOV

/ GO, Structure Structure Type Length ID of Structure Nor N EDS (Nonadb No F B C M >=05 u I :>=5|J Ghrys Amphibole Nonasb Ambig/ND No i Coord <5(J Elements)

M

Struct = > 0,5p > 5; 1 Aspect Ratio Grid acceptance: >/= Positive diffraction pattern properties confanraig to <50% unaissolved filter, overlspped or folded Totals <1 Q% paniculate coverage >50% coverage are laboratory identification criteria observed least 20 unfolded or overlapped grid squares <5% F B C M ! >5p EDS speclrurfi conforming to laboratory holes or opaque areas identficabon criteria observed Chrysotile AMPHIBOLES i Amphibole F = SngleFiber / f Amosite 1 B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite i Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos T remolite M = Matrix • : Actinolite Non-Identified NSD-Nd Structures Detected

CITY_21MC100_003269914

NYC-WTC_000201960