NYC-WTC_000211609

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #: 8072 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 6 Grid Opening Size: 0.01124 Client Sample #: 06 Area Examined: 0.04496 mm^ GRID BOX: Magnification; 20,000 GRIDED: 5^- Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 6/12/02

Analysis Performed By: ROMAFTPEYSAKHOV

GO. Structure Structure Type Length IO of Structure NorN EDS (Nonadb No F B C M >=05 p >=5|j Chrys Amphibole Nonasb Ambig/ND No Coord <5|j Elements)

/ 7^ J/ — -------------

I +

Struct = > O-ip >5:1 Aspect Ratio Grid acceptance: a/= Positive diffraction pattern properties conforming to *^50% undlssoNed filter, overtapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overtapped grid squares <5% F B C M >5u . '/= EDS spectrum conforming to laboratoiy holes or opaque areas identification criteria observed Chrysotile ! AMPHIBOLE^ Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos T remolite M = Matrix Non-Identified Acbnolite NSD = No Structures Detected

CITY_21MC100_002864953

NYC-WTC_000211609