NYC-WTC_000200766

NYC 9/11 Public Portal Document

TEMAsbestos fair) Count Sheet Client Name: NA'CBOE Volume (liters): 1920 Lab Group #: 7651 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 5 Grid Opening Size: 0.01124

Client Sample #: 05 Area Examined: 0.04496 mm’

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

Analysis Performed By: . MARK PEYSAKHOV

GO: Structure Structure Type Length ID of structure N or Y EDS / (Nonadb No F B C M >=05 u >-5p Chrys Amphibole Nonasb Ambig/ND No Coord <5pi Elernenisi

J

' Struct = > 0.5p .>5:1 Aspect Ratio Grid acceptance:' 7= Positive diffraction pattern properties conio.'ming to <50% undissolved filter, overlapped or folded Totals laboratory identifcation criteria observed <10% particulate coverage >50% coverage ate

7= EDS spectrum conforming to laboratory least 20 unfolded or oveilapped grid squares <5% holes or opaque areas F B c M identifcation criteria observed Chrysotile AMPHIBOLES Amphibole F =.Single Fiber' i Amesite i B = Bundle (<3 fibers <1 fiber diameter apart I Crocidolite Ambiguous C = Cluster (>3 Intersections) .1 Anthophyllite Non-Asbestos ; Tremolite . M = Matrix . Non-Identified Actinolite NSD = No Structures Detected '

CITY_21MC1OO_O11275116

NYC-WTC_000200770