NYC-WTC_000212923

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: bT/C BOE Volume (liters): 1920 Lab Group #: B182 Filter Type / Filter Area: MCE 385 Lab Sample #: 14 Grid Opening Size: 0.01124

Client Sample #: Area Examined: 0.04496 mm^

GRID BOX: Magnification: 20 000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openin : 4 Analysis Date: 6/20/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or v EDS (Nonadb No F B C M >=05 (J >=5y Chrys AmphSwte Nonasb Ambig/ND No Coord <5p Elements)

2 /W i V/IEE:

Struct = > 0.5n > 5:1 Aspect Ratio Grid acceptance: 'i= Positive diffraction pattern properties conforming to <50% undissolved niter, overlapped or folded Totals laboratcry identification criteria otiserved <10% particulate coverage >50% coverage ate least 20 unfolded or overtapped grid squares <5% F B C M >5m N= EDS spectrum conforming to laboratory holes or opaque areas identificjtion criteria observed Chrysotile AMPHIBOLES ' Amphibole F = Single Fiber Amosite B = Bundle {<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matnx Actinolite Non-Identified NSD = No Structures Detected

CITY_21MC100_002852608

NYC-WTC_000212923