NYC-WTC_000217901

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 19285 Lab Group #: 6658 Filter Type / Filter Area: MCE 3S5 mm- Lab Sample #: 7 Grid Opening Size: 0.01 124

Client Sample #: 7 Area Examined: 0 04496 rnm-

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: ! 00 KeV # Grid Openings: 4 Analysis Date: 2,13/02

Analysis Performed By: MARK PEYS,AKHOV

GO. Structure Structure Type Length ID of Structure N or v i EDS No F B C M >=05 p Chrys Amphibole Nonasb No Coord >:5p ! Eiemenis) j

-3

Struct = >0.5p >5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to <50% undissolved filter, overtapped or folded Totals laboratory identification criteria observed <10% paniculate coverage >50% coverage ate least 20 unfolded or overtapped grid squares <5% SMB 1 C M pcu '/= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile S 1 amphiboles Amphibole F = Single Fiber Amosite Crocidolite Ambiguous i B = Bundle (<3 fibers <1 fiber diameter apart C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos I Tremolite M - Matrix Non-Ideiiiificd j Actinolite WSD = No Structures Detected

CITY_21MC100_002878040

NYC-WTC_000217901