NYC-WTC_000208601

NYC 9/11 Public Portal Document

Hl TEM Asbestos (air) Count Sheet Client Name; Cole Volume (liters); 450 ■I Lab Group #: 7916 Filter Type/Filter Area; MCE 385 mm" Lab Sample #: 3 Grid Opening Size: 0.01124 Client Sample #: 3 Area Examined: 0.1124 mm^ GRID BOX: GRID ID; 4^ Magnification: 20 000 Accelerating Voltage; 100 KeV # Grid Openings: 10 Analysis Date; 5/31/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of structure Nor ’/ EDS No >=05 p (Nonadb F B C >=5p Chrys Amphibole - Nonasb /imbig/ND No Coord <5p Elements)

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Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance: 'J = Positive diffraction pattern properties conforming to *^0% Totals laboratory identification criteria observed least 20 unfolded or overlapped grid squares <5% F B C M >5p '/= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 libers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC1OO_O1O194572

NYC-WTC_000208601