NYC-WTC_000208261

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 8828 Filter Type / Filter Area: MCE 385 mm’ l.ah Sample #: 6 Grid Opening Size: 0.01124

Client Sample #: 06 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 9/1 0/02

Analysis Perfi rmed By: MARK PEYSAKHOV

GO, Structure Structuie Type Length ID of Structure N or 7 EDS ! (Nonadb No F 8 ! C M >=05 p i>=5iJ Chrys Amphibole Nonasb I Ambig/ND No Coord u <5p Elements) i

- / -O/ ------ - O 1—

---------- p

Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance: V= Pcsitive diffraction pattern properties conformii g to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria obsenred <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M j >5p v = EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle <3 fioers <1 fiber diameter apar Crocidolite Ambiguous C = Cluster (>3 Intersections! Anthophyllite Non-Asbestos j Tremolite M = Matrix X0n-ldentified । I I Actinolite NSD - No Structures Detected

CITY_21MC1OO_OO3O21267

NYC-WTC_000208261