NYC-WTC_000207517

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 8149- - - Filter Type / Filter Area: MCE 385 Lab Sample #: 2. . ' Grid Opening Size: 0;01124 Client Sample #: 2 Area Examined: 0.04496 mm’ GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: ' 6/17/02.

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or 7 EDS No. (Nonadb ■F B C M >=05 u : =5p Chrys Amphibole Nonasb Ambig/ND No ■ Coord <5p Elements)

23^'

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 EDS spectrum conforming to laborato^ 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 Structures Detected

CITY_21MC100_003015343

NYC-WTC_000207517