NYC-WTC_000200947

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: ■NYC BOE Volume (liters): 1840 Lab Group #: 7766 Filter Type / Filter Area: MCE' 385 mm- Lab Sample #: Grid Opening Size: 0.01124 Client Sample #: 02 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20.000 GRID ID: Accelerating VoItage: 100 KeV # Grid Openings: 4 Analysis Date: 5/16/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure Not v EDS (Nonadb No F B c M >=05 pi '=5p Chrys Amphibole Nonasb .Ambig/ND Eiements) No ' Coord <5p .

_4'i

Struct = > Q.5p > 5:1 Aspect Ratio ' Grid acceptance: 7= Positive diffraction pattern properties conforming to <50% undissalved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate

.7= EDS spectrum conforming to laboratory least 20 unfolded or overlapped grid squares <5% holes or opaque areas F B c M >5u

identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 libers <1 fiber diaraeter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_011275289

NYC-WTC_000200948