NYC-WTC_000228848

NYC 9/11 Public Portal Document

TEM Asbestos fair) Cou ntSheet Client Name: NYC BOE Volume (liters): 1800 Lab Group #: 7698 Filter Type / Filter Area: MCE 385 rnm- Lab Sample #: 15 Grid Opening Size: 0.01124 Client Sample #: 17 Area Examined: 004496 mm^

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 5/11/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or 7 EDS No (Nonadb F B C M >=05 M >=5p Chrys Ampfiitole Nonasb AmsigW No Coord Elements)

Struct® > 0.5p >5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to <50% undissoived ruler, overlapped or foded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M 1 >5p 7= tDE spectrum conforming to laboratory holes or opaque areas ---- identification criteria observed Chrysotile i ------ AMPHIBQLES Amphibole F = Single Fiber Amosite B = Bundle |<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster >3 InlersecSons) Anthophyllite Non-Asbestos Tremolite M = Matrix Actinolite Non-Identified NSD = No Structures Detected

CITY_21MC100_002901792

NYC-WTC_000228848