NYC-WTC_000196551

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: ATC Volume (liters)' 1920 Lab Group #: 8837 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 15 Grid Opening Size: 0 01124 Client Sample #: Area Examined: 0 04496 mm^

GRIP BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV ' # Grid Openings: 4 Analysis Date: 9/15/02

Analysis Performed By: ROMAN PEYSAKHOV

GO Structure Structure Type Length ID of Structure N or V EDS No (Nonadb F B C >=05 p >=5iJ Chrys Amphibole Nonasb Ambig/ND No Coord Elements)

n A

Su uct = > 0 5p >5 I Aspect Ratio Gnd acceptance ‘ 'J-- Positive diffraction pattern properties conforming to "50% undissolved filter, overlapped or folded Totals laboratory identification critena observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped gnd squares <5% F B C M >5u A EDS spectrum conlorming to laboratory holes or opaque areas identification cnteria 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 = Matnx Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_003041675

NYC-WTC_000196551