NYC-WTC_000200830

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): .1936 Lah Group #: 7685 Filter Type / Filter Area: MCE 385 mm' Lab Sample #: 13 Grid Opening Size: 0.01124 Client Sample #: 15 AreaJExamine^ 9.04496 .mir?

GRID BOX: Magnification: 20,000 GRID IP: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 5/9/02

Analysis Performed By: /MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or 4 EDS (Nonadb No F B C M >=05p I Chrys Amphiooie Nonasb AmbigtND No Goord <5|j Elementsi

-+

4

iStrQct-= > 0 ;/i > 5:t Aspect Ratio Grid acceptance: '/= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed r<10% particulate coverage >50% coverage ate least 20 unfolded oroveriapped grid squares <5% F B C M >5p V= EDS spectrum conforming to laboratory' holes or opaque areas identification criteria observed Clirysotile AMPHIBOLES Amphibole i F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous' C = Cluster (>3 Inrersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-ldentified Actinolite NSD = No Structures Detected

CITY_21MC100_011275190

NYC-WTC_000200842