NYC-WTC_000199372

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name; XYC BOE Volume (liters): 1952 LabCroupj^ 8745 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: / Grid Opening Size: 0.01124 Client Sample #: 7 Area t xamined: 0.04496 mm-

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: lOOBLeV # Grid Openings: 4 Analysis Date: 8/24/02

Analysis Performed By: MARK PEYSAKHOV

GO Strjcture Structure Type i Length DofSt ucture N or n ' EDS Chr/s Ampnibole Nonasb i Ambig/ND i Co^^db 1^0 .“fTb C ‘.' >=5p No Coord I «5u i : I Elements)

----- -r -------

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Struct " 0.5u > 5:1 Aspect Ratio Grid acceptance:

x = Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped ot folded Totals aboratory dentification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F I B i C I M : >5e s = EDS spectrum conforming to laboratory holes oropacue areas aentification criteria observed Chrysotile AMPHIBQI.ES Amphipole - - Siiigis Fiber Amosite 3 = Bundle A3 libers <1 iiber diameter apart Crocidolite Ambig tons C = Cluster 73 iniersecbons) Anthophyllite Non-Asbistos Tremolite I Non-Ident fled M = Matrix Actinolite NSC - No Structures Detected

CITY_21MC100_003033656

NYC-WTC_000199372