NYC-WTC_000218401

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NV’C BOE yojumellitersli 1920 Lab Group #: 7029 Filter Type / Filter Area: MCE 385 mm* Lab Sample #: 14 Grid Opening Size: 0.01124 Client Sample #: 14 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3,11/02

Analysis Performed Bv: .-7 ROMAN PEYS.AKHOV

GO. Structure Structure Type Length ID of Structure N or v EDS : 'Nonadc 1 No F B C M >=05 p >=5p Chrys Amphibole Nonasb Ambig;'N0 Elements) ! No Coord <51J //J 7-5/3

n

1

Struct => 0.5p > 5:1 Aspect Ratio Grid acceptance: 7,= Positive diffraction pattern properties conforming to <50% undissolved filler, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F : B i C ; M I >5u '/= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile I i i .AMPHIBOLES ; .Amphibole F = Single Fiber Amosite ! ■ Crocidolite i .\mbiguous 8 = Bundle (<3 fibers <1 fiber diameter apart C = Cluster (>3 Intersections] i Anthophyllite i Non-.\sbestos 1 r T remolite M = Matrix ! Actinolite Non-Identifie^ , 1 NSD = No Structures Detected

CITY_21MC100_002878368

NYC-WTC_000218401