NYC-WTC_000202342

NYC 9/11 Public Portal Document

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TEM Asbestos fair) Count Sheet GtientName: NYCBOE Volume (liters): 1920 Lab Group #: 8807 , Filter Type / Filter Area: MCE 385 mm’ L2ib SfKiTple^ 5 Grid Opening Size: 0.01124

Client Sample #: ,05, Area Examined: 0.Q4496 mm^

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV • # Grid Openings: 4 Analysis Date: 9/5/027

Analysis Performed fiv: ROMAk PEYSAKHOV

■GO, Structure Structure Type Length ID of Structure N cmv EDS No (Monadb F B C M ■=05iJ Chrys Amphibole Nonasb Ambig/ND No, Coord <5|j - Elements) ST s-tva rife- tf

It ! -7-... -

Struct = > 0.5p. .> 5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to undissolved filter, overlapped orfolded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate laast 20 unfolded or overlapped grid squares <5% F B C M >5p 7= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile j AMPHIBOLESi Amphibole F,.-Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous G = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-ldenttfied Actinolite ' NSD = No Structures Detected

CITY_21MC100_011276539

NYC-WTC_000202342