NYC-WTC_000201717

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYCBOE Volume (liters'): 1840 Lab Group #: 7105 3 7 Filter Type / Filter Area: MCE 385 mm" Lab Sample #: 13 Grid Opening Size: 0.01124 Client Sample #: 13 Area Examined: 0.04496 GRID BOX: Magnification: 20 000 GRID ID : Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/16/02

Analysis Performed By:

GO. Structure Structure Type Length ID of Structure N .or 7 EDS No (Nonadb F B G M >=05 p >-5p Chrys Amphibole Nonasb Ambig/ND No Coord <5|j Elements)

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Struct = > O.5p 5:1 Aspect Ratio Grid acceptance: 7= Positive diffraction partem properties conforming to <50% undissolved filter, overlapped or folded Totals laboratoryidefltifioation criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F I B C M- ’Su , 7= EOS spectrum conforming to laboratory holes or opaque areas - i identification criteria observed : Chrysotile 7 I AMPHIBOLES Amphibole F = Singe Fiber : : i : 1 i i Amosite B = Sondle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C - Cluster{>3 Interseetionsy> Antlnophyllita Non-Asbestos 7 Tremolite M = Matrix ii rl. t /i: Non-Identified NSD = No.Structures Detected , i7 ri Actinolite 1

CITY_21MC100_005389943 NYC-WTC_000201717