NYC-WTC_000210469

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: EM & CA Volume (liters): 1300 Lab Group #: 6070 Filter Type / Filter Area: MCE 385 mm" Lab Sample #: 26 Grid Opening Size: 0.01124

Client Sample #: 026 Area Examined: 0.06744 mm*

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 6 Analysis Date: 12/9/01 J Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID ol Structure N or 7 EDS I (Nonadb ! No F B C M >=0^)1 >^5(j Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements) ; ----------- i 2^2 // //

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Struct = > O.Spi > 5:1 Aspect Ratio Grid acceptance;

Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory loeniification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5m 7= 5DS spectrum conforming to laboratory holes or opaque areas identificalion criteria observed Chrysotile AMPHIBOLES ' Amphibole F = Single Fiber Amosite 3 = Bundle (<3 fibers <1 liber diameter apart Crocidolite ’ Ambiguous C - Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified NSD = No Structures Detected Actinolite L_.

CITY_DEP_WORBY_CANNATA_SUBP_000021295

NYC-WTC_0002 10469