NYC-WTC_000201062

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #: 7832 Filter Type / Filter Area: MCE 385 mm^ LabSample^ 5 Grid Opening Size: 0.01124 Client Sample #: 05 Area Examined: 0.04496 GRID BOX: GRID ID: 'W/ Magnification: Accelerating Voltage: 20,000 100 KeV # Grid Openings: 4 Analysis Date: 5/22/02

Analysis Performed By: _____ — ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or "V EDS No (Nonacb F B C M >=05 M Chrys Amphibole Nonasb Ambig/ND Elemens) J No ■ Coorc <5|j

120 ((____ tf y 2g-

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Struct = > 0.51.1 > 5.1 Aspect Ratio Stit! acceptance;. 7= .Positive diffractiDn pattern properties conrorming 'ic <50% undissolved filter, overlapped or folded Totals laocratory identification criteria observed <10% particulate coverage >50% coverage ate least 2C unfolced or overlapped grid squares <5% F B C . 7= EDS spectrum conforming to iaboratoy M >£p- holes or opaque areas loenfification criteria observed Chiysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apan Crocidolite Ambiguous C = Cluster (>3 Iniersections) Anthophyllite Non-Asbestos T'emolite' M = Matrix Actinolite Non-Idenhfied NSD = No Slructures Detected

CITY_21MC1OO_O11275361

NYC-WTC_000201066