NYC-WTC_000201062

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: WC BOE Volume (liters): 1840 Lab Group #: 7832 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 2 Grid Opening Size: 0.01124

Client Sample #: 02^ . Area Examined: 0.04496 mm"

GRIU BOX: Magnification: 20,000 GRID ID: Anceler^ting yoltage: 100 KeV # Grid Openings: 4 Analysis Date: 5/22/02

Analysis Performed By: ; ROMAN PEYSAKHOV

GO, Structure Structure Type Length ID of Structure STorN EDS No >=05 p (Nonacb F B C M Chrys Amphibole Nonasb Amfaig/ND No Coorc <51J Elements)

77^71/ 7 2

Struct = ■> 0,5 LU >5:1 Aspect Ratio Grid acceptance: y = positive diffraction pattern properties conforming to <50% urdissolved filter, overlapped or folded Totals laboraloty identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M t >5u 7= EDS spectrum conforming,to iaboratcry tioles or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle l<3 fibers <1 fiber diameler apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthopnyllits Non-Asbestos M = Matrix T remolite Actinolite Non-Identified NSD = No Structures Detected

CITY_21MC100_011275358

NYC-WTC_000201063