NYC-WTC_000229045

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: TsTYC BOE VoiHme niters): 1800 Lab Group #: 7847 Filter Type / Filter Area: MCE 385 mm’ Lab Sample #: 10 Grid Opening Size: 0.01124

Client Sample #: 12 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20 000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 5/23/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or V EDS {Noftsdb No F B C M >=05 p I >=5ij Ctirys Amptiihole Nonasb Ambig/NO No Coord <6(J Elements)

----- (T, J? -S'e’

Struct = >0.Sg > 5:1 Aspect Ratio Grid acceptance: V= PosMys diffradion pattern properties conforming to <50% undfssolved fitter, ouerteftped or folded Totals taboratory identification criteria observed <10% paiticuhte coverage >50% coverage ate least 20 unfolded or oveitapped grid squares <5% F B C M >5u •7= EOS speetnjm conforming to laboratory holes or opaque areas identif-cation citeria observed Chrysotile AMPHiaOLES Amphibole F = Single Fiber Amosite Crocidolite Ambiguous B = Bundle (4 fibers <1 fiber diameter apart C = Cluster (>1 Intersections) AnthoftiyllitB Non-Asbestos Tremolite M = Matrix Actinolite Non Identified NSO = Mo Structures Detected

CITY_21MC100_002902099

NYC-WTC_000229045