NYC-WTC_000200359

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #: 7975 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: ' 10 Grid Opening Size: 0.01124

Client Sample #: 10 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20,000 GRID ID : Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 6/5/02

Analysis Performed By: ROMAN PEYSAKHQV J- T' GO. Structure Structure Type Length ID of Stmcture Nor 'I EDS (Nonadb- ' No F B C M >=05 p :>=5p Chrys Amphibole Nonasb Ambig/ND ■ No -Coord <5p Elements)

./iW AH ES - M

R i Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to <50% undisscived filter, overlapped or folded Totals s i laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5u Y= 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 N.on-Asbestos T remolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

NYC-WTC_000200368