NYC-WTC_000225345

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume Giters): 1944 Lab Group #: 6028 Filter Type / Filter Area: MCE 385 mm= Lab Sample #: 7 Grid Opening Size: 0.01124 Client Sample #: GRID BOX: GRID ID: # Grid Openings: 4 w Area Examined: Magnification: Accelerating Voltage: Analysis Date: 0.04496

20,000 100 KeV 12/4/01

Analysis Performed By: ROMAN PEYSAKHOV

j GO. Structure Structure Type Length ID of Structure N or 9 EDS No >=05 |J )>=5p (Nonadb F B C M Chrys Amphibole Nonasb Ambig/ND i No Coord <5m Elements)

iS-Ltas If a

I i i ; I i

Struct = > 0-5p _> 5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals Iaborato7 identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5u A- 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 T remolite M = Matrix Non-ldentified Actinolite NSD = No Structures Detected

CITY_21MC100_002921399

NYC-WTC_000225345