NYC-WTC_000189080

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: m’C BOE Volume (liters): 1928 Lab Group #: 5948 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 1 Grid Opening Size: 0.01124

Client Sample #: 1 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20,000 GRID ID: Accelerating \Yiltage: 100 KeV # Grid Openings: 4 Analysis Date: 11/21/01

Analysis Performed By: /k| MICHAEL GORYCKI

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

f Al /r ri

±2L <<

Struct = > 0.5p _> 5;! Aspect Ratio Grib acceptence.-

Positive difiraotior pattern properties conforming to <50% undissoli/ed filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded oroveriapped grid squares <5% F B C M >5p EDS spectrum conforming to laboratory holes or opaque areas Identification criteria observed Chiysotile AMPHIBOLES i Amphibole F = Single Fiber Amosite j B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos i T remoiite Itr = Matrix Non-ldentified Actinolite NSD = No Structures Detected

CITY_21MC100_003083420

NYC-WTC_000189080