NYC-WTC_000189085

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Ciienr Name: BOE Volume (liters): 1936 Lab Group #: 5948 Filter Type / Filter Area: MCE 385 mm= Lab Sample #: Grid Opening Size: 0.01124

Client Sample #: 12 Area Examined: 0.04496 mm*

GRID BOX: Magnification: 20,000 GRID ID: 74^ Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 11/21/01

Analysis Performed By: AiA MICHAEL GORYCKI

GO. Structure Structure Type Length ID of Structure NorN EDS (Nonadb No F B C M >=05 p >=5p Chrys Amphibole Nonasb Amt)ig/ND Elements) No Coord <5u

Zxu V I if

4 7/^

Struct = > 0.5p _> 5:1 Aspect Ratio Grid acceptance:

Positive diffraction pattern properties conforming to <50% undissoli/ed filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <6% F B C M >5p \= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed ChuA’sotile ‘ AMPHIBOLES Amphibole F = Single Fiber ! Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos T remoiite M = Matrix Non-Idemified Actinolite NSD = No Structures Detected

CITY_21MC100_003083432

NYC-WTC_000189085