NYC-WTC_000218150

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name; NYC BOE Volume (liters'): 1920 Lab Group #: 7076 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 9 Grid Opening Size: 0.01124

Client Sample #: 12 Area Examined: 0.04496 mm'

GRID BOX: Magnification: 20,000 GRIDID; ■Accelerating Voltage: 100 KeV # Grid Openings; 4 Analysis Date: 3/14/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure Nor V j EDS No F B C M >=05 p Chrys Amphibole Nonasb Al^bii/Nbl No' Coord <5p ( Eiements)

Z- CT

I r -f !

M Struct« > 0.5g .> 5:1 Aspect Ratio Grid acceptance; yl- Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% partioulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5p EDS spectrum conforming to laboratory holes or opaque areas Identification criteria observed Chrysotile AMPHIBOLES Amphibole F - Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos T remolite M = Matrix Actinolite Non-Identified NSC = No Structures Detected

CITY_21MC100_000465973 NYC-WTC_000218150