NYC-WTC_000229321

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (Titers): 1816 Lab GrouD #: 8166 Filter Type / Filter Area; MCE 385 mm" Lab Sample #: 10 Grid Opening Size: 0.01124 Client Sample #: 12 Area Examined: 0.04496

GRID BOX: tl 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings; 4 Analysis Pate; 6/18/02

Analysis Performed By: MARK PEYSAKHOV

GO, Structure Structure Type Length IDofStructure N or V EDS No {Nonadb F B C >=6m Chrys Nonasi) Amdig/^O No Coord c5p Etemwb)

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Struct = > 0.5ft > 5;! Aspect Ratio Grid acceptoce; Totals laboratory identKicaton criterlaoteervwl 35SSSK5;SB!SI5!. least 20 unfolded or overlapped grid squares <5% F B C M >5y '1- EDS spewum conforming to taboratwy botes or Opaque areas Ktenfficaconor^na observed Chrysotile i AMPHIBOLES i Amphibole' F= Single Fiber i Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections/ I AnthophylBte i Nod-Asbestos Tremolita i M = Matrtx Non-ldentified Aednotite NSD = No Structures Detected

CITY_21MC100_002902431

NYC-WTC_000229321