NYC-WTC_000200814

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: WC BOE Volume (liters): 1805 Lab Group #: 7670 Filter Type / Filter Area: MCE 385 mnr Lab Sample #: 13 Grid Opening Size; 0.01124 Glient Sample #: 13 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20,000 GRID ID: 6 Accelerating Voltage: LOO KeV # Grid Openings: 4 Analysis Date: 5/8/02

Analysis Perlormed By: /V7 pxj ROMAN PEYSAKHOV

GO. Structurs St'ucture Type Length ID Of Structure "N or y EDS _.j (Nonadb No F B C M >=05 p >=5u Chrys ; Amphibole Nonasb Ambig/ND No Coord Elements) ) <5m - •v'yC'J ' u u /

6^

_ Struct = > 0.5(1 >5:1 Aspect Ratio Grid acceptance; '1- Positive diffraction pattern properties conforming to <50%-undisso ved filter, overlapped or folded Totals iaooratory identification criteria observed . <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid scuares <5% fTb r C ■Em EDS spectrum conforming to ieborato^ holes or opaque areas identification criterig observed Chrysotile AMPHIBOLES ) Amphibole F - Single Fiber Amosite I B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous G = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite ■ M = Matrix Actinolite Non-Identified . NSD = No Structures Detected

CITY_21MC100_011275168

NYC-WTC_000200826