NYC-WTC_000223446

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: WC BOE Volume (liters): 1944 Lab Group #: 6052 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 1 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: 12/6/01

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or 'J EDS No >=05 u (Nonadb F B C M '=5p Ch7s Amphibole Nonasb Ambig/ND .: No i Coord <5|j r Etempnts) _

r

Struct = > O.Sp .>5:1 Aspect Ratio Grid acceptance: yl- 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 EDS spectrum conforming to laboratory holes or opaque areas identification criteria ooserved Chrysotile i AMPHIBOLES Amphibole F = Single Fiber i Amosite B = Bundle (<3 fibers <1 fiber diameter apart ! Crocidolite Ambiguous C = Cluster (>3 Intersections) i Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite . NSD = No Structures Detected

CITY_21MC100_002890667

NYC-WTC_000223446