NYC-WTC_000201855

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: m'C BOE Volume (liters): 1848 Lab Group #: 6537 Filter Type / Filter Area: MCE 385 mnV Lab Sample / Grid Opening Size: 0.01124 Client Sample #: 7 Area Examined: 0.04496 mm^ GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 2/2/02 ■

Analysis Performed By: MARK PEYSAKHOV

GO. Structurs Structure Type Length ID o‘ Structure NorT EDS (Nonadb No F B C M >=05 p : -5p Chrys Amphibole Nonasb Ambig/ND No Cool'd <5p Elements)

Struct - > 0.5p > 5:1 Aspect Ratio Grid acceptance: -J- Po.sitive diffraction pattern properties conforming to <50% iindissolved 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 >5u 7= EDS spectrnm conforming to laboratory holes or opaque areas identificaticn criteria observed Chrysotile AMPHIBOLES i Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <' fiber dameter apart Crocidolite Ambiguous C = Cluste’ (>3 Intersections) Anthupliyllite Non-Asbestos M = Vlatrix Tremolite Actinolite Non-Idcntified NSC = No Structures Detected

CITY_21MC100_003269306

NYC-WTC_000201855