NYC-WTC_000204826

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: bVC BOE Volume (liters): 1920 r Lab Group #: 7543 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 1 Grid Opening Size: 0.01124 Client Sample #: 01 Area Examined: 0.04496 mm^ GRID BOX: Magnification; 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 4/27/02

Analysis Performed By: MARK PEYSAKHOV

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

.2: ___ _ ---- 1?

Struct = > 0.5(1 >5:1 Aspect Ratio Grid acceptance:

\= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overtapped grid squares <5% [ B C M ! >5p \ = EDS spectrum conforming to laboratory holes or opaque areas i. i F centification criteria observed Chrysotile AMPHIBOLES Amphibole r = Single Fiber Amosite 3 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections! Anthophyllite Non-Asbestos Tremolite V = Matrix '• Non-Identified ] Actinolite MSD = No Structures Detected

CITY_21MC100_003062004

NYC-WTC_000204826