NYC-WTC_000230375

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 7204 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 1 Grid Opening Size: 0.01124 Client Sample #: 1 Area Examined: 0.04496 mm^ GRID BOX: Magnification: 20 000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/25/02

Analysis Performed By: ROMAN PEYSAKHOV

GO: Structure Structure Type Length ID of Stnjcture N or EDS No (Nonadb ..F B C M >=05 p~ >=5p Chrys Amphibole - Nonasb Ambig/ND No Coord <5p Elements)

c/ (L

I

ZZZZZZZZZ^ZZHZ— Struct = >0.5p >5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to <50% undissolved filter: overlapped or.folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5^J o/= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES , Amphibole F = Single Fiber Amosite i 8 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (> 3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Kon-Identified Actinolite NSD = Mo Structures Detected

CONFIDENTIAL, CITY_21MC100_003389178 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000230375