NYC-WTC_000230149

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: WC BOE Volume (liters): 1944 Lab Group #: 6464 Filter Type / Filter Area: MCE 385 mm-’ Lab Sample #: 14 Grid Opening Size: 0.01124

Client Sample #: 14 Area Examined: 0.04496 mm’

GRID BOX: 7-7^ Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 1/27/02

Analysis Performed By: p/p ROMAN PEYSAKHOV

GO, Structure Structure Type Length ID of Structure N or ■/ EDS No (Nonadb F B j C >=05 u >=5p Chrys Amphibole Nonasb Ambig/ND ■ No Coord <5U Elements)

//

w-

Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance: Positive dittraclion pattern properties conforming to <50% undissolved filler, 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 >5u EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Clirysotile AM,PH1BOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos M = Matrix Tremolite Actinolite Non-Identified NSD> No Structures Detected

CONFIDENTIAL, CITY_21MC1OO_OO338881O SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000230149