NYC-WTC_000203595

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume /liters!: 1936 Lab Group #: 6228 Filter Type / Filter Area: MCE 38; mm- Lab Sample #: Grid Opening Size: 0.01124

Client Sample #: 04 Area Examined: 0.04496 mra- GRtD BOX: Magnification: 20.000 GRtCD ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 12/29/01

Analysis Performed By: -CSSS’

Y.ARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure Nor v EDS No (Nonadb F 3 C M >=05 y >=5iJ Chrys Amphibole Nonasfa Ambig/NO No Coord <5m Elements)

Struct => 0.5,u >5:1 Aspect Ratio Grid acceptance: >/= Pcsitive diffraction pattern proce.dies conionning to <50% undissolved filter, overtapped or folded Totals laboratory ide.ntificatior criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overiacped grid squares <5% F j B j C I M ! >5u 9= E5)S spectrum conforming to laboratory holes or opaque areas identif cation cniena obseived Chn'sotiie j j j .AMPHIBOLES Amphibole j i ) i i r - Single .-iber Amosite 3 = Bundle (<3 fibers <1 fiber diameter apan Crocidolite -Ambiguous I I I i C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos j Tremolite M = Matrix I Non-Identined I Actinolite NSD = No Structures Detected

CITY_21MC100_003059088

NYC-WTC_000203595