NYC-WTC_000219003

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #: 7230 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 9 Grid Opening Size: 0.01124 Client Sample #: 09 Area Examined: 0.04496 mm* GRID BOX: jW Magnification: 20,000 GRIDED: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/27/02

Analysis Performed By: ROMAN PEYSAKHOV

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

zYS /p ■ — -U— /I

Struct = > 0.5p > 5:1 Aspect Ratio Gnd acceptance:

y = Positive diffraction pattern properties conforming Io <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <6% F B C M ^50 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 i M = Matnx Non-Identified Actinolite I NSD = No Structures Detected

CITY_21MC100_000467197 NYC-WTC_000219011