NYC-WTC_000204663

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE yolumejliters)! 1920 Lab Group #: 7171 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 3 Grid Opening Size: 0.01124 Client Sample #: 03 Area Examined: 0.04496 mm’

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/23/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure Norv EDS (Nonadb No F B C M >=05 (J Chrys Amphibole Nonasb Ambig/ND No Coord <5|J Elements) i

Struct = >().5u >5:1 Aspect Ratio Grid acceptance:

V = Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals <10% particulate coverage >50% coverage ate aborator/ ident'fication criteria observed least 20 unfolded or overlapped grid squares <5% f C j M >5p = EDS spectrum conforming to iacoratcry holes or opaque areas aentification criteria observed Chrysotile I AMPHIBOLES Amphibole I = Single F oe'' Amosite 3 = Bundle i<3 ’ibers <1 hber diameter apan Crocidolite Ambiguous S = Cluster (>3 Intersections) Anthopnyllite Non-Asbestos Tremolite M = .Matrix Non-Iclentifiecl Actinolite NSD = No Structures Detected

CITY_21MC100_003061657

NYC-WTC_000204663