NYC-WTC_000223441

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 6068 Filter Type / Filter Area: MCE 385 mm’ Lab Sample #: 12 Grid Opening Size: 0.01124

Client Sample #: 14 Area Examined: 0.04496 mm^

GRIP BOX: Magnification: ■ 20 000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 12/9/01

Analysis Performed By: ROMAN PEYSAKHOV

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

■1

Struct = > 0.5p > 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 overlapped grid squares <5% F B C M >5p 'i- EDS spectrum conforming to laboratory holes'or opaque areas identification 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 = Matrix Non-Identified Actinolite NSD = No Stiuctures Detected

CITY_21MC1OO_OO289O656

NYC-WTC_000223441