NYC-WTC_000205011

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name; Cole Volume (liters); 450 Lab Group #; 7916 Filter Type / Filter Area; MCE 385 mm^ Lab Sample #; 1 Grid Opening Size: 0.01124 Client Sample #: Area Examined; 0.1124 mm^ GRIP BOX: Magnification; 20,000 GRIP ID: Accelerating Voltage: 100 KeV # Grid Openings: 10 Analysis Pate; 5/31/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. structure Structure Type Length ID of Stnjcture N or v EDS No (Nonadb F B C M >=05 p >=5p Chrys Amphibole ' Nonasb Ambig/ND No Coord <5p Elements) ^2 </ //

U- A-E2- 4 </

4 5 /y //

Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance: V= Positive diffraction pattern properties conforming to <50% undissolved 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 >5m V= 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 Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_0 10222113

NYC-WTC_000205012