NYC-WTC_000202263

NYC 9/11 Public Portal Document

TEM A^sbestos fairV Count Slieet Client Name; NYCROEi^ f it ff Volume niters'): : 184bf f tf f Lab Group #: Filter Type / Filter Area: MCE , 385 miri^ Lab Sample #: 9 Grid Opening Size: P.01124

Client Sample #: 109 i Area Examined: 0.04496 mm"

GRID BOX: t Magnification: 20 000 GRID IP : fit Accelerating Voltage: 100 KeV # Grid Openings: 4 t Analysis Date: 1/22/02

Analysis Performed By: MARK PEYSAKHOV

GO^ Structure Structure Type Length ID of structure N or Y EDS (Nonadb No F B C M ■=05p I >=5 pi Chrys Amphibole Nonasb Ambig/ND No Coord Elements) <5|U

A'dr? -^7—F-

; i Y I" ' ■ I i ■ I Struct = > 0.S|i-> 5:1 Aspect Ratio Grid acceptance:: 7= Positive diffraction paftem properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed ' <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <6% F B C M >5|j i Y EDS spectrum conforming to laocratory holes or opaque areas t - identificafion criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber : 7 Ampsite 8 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous ■ C = Cluster (>3 Intersections) Anthophyllite , Non-Asbestos Tremolire • M = Matrix Non-Identified t Actinolite i NSD - No Structures Detected

CITY_21MC100_011276200

NYC-WTC_000202263