NYC-WTC_000202488

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name; KYC BOE Volume (liters): 1944 LabGrmUl^ 9204 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 7 Grid Opening Size: 0.01124 Client Sample #: 7 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 12/23/200

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID Of Structure n or V EDS (Nonadb No F B C M >=05 p >=5(1 Chrys Amphibote Nonasb Ambig/ND No Coord <Sp Elements;

7" 7 1 I (

A Photo No, ;trom 1 in b asbestos containing samples) grid acceptance' Struct = > 0.5m >5:1 Asoect Ratio .sOMso^d filter, overlapped or folded Totals Positive diffraction pattern properties cnnforming to <1070 particulate coverage >50% coverage ate laboratotv identification criteria observed least 20 unfolded or overlapped grid squares <5% holes or opaque areas F B c >5p • v= EDS spectrum conforming to aocratcr/ identification criteria observed Chrysotile i AMPHIBOLES । .Nraphibole ,1 F = Single 'cer i Amosite j 8 = 3unole (<3 fibers <1 fiber diameter apart ! Crocicolite Ambiguous i Anthophyllite C = Cluster i>3 Intersections'! Tremolite Non-Asbestos M = Matrix Actinolite I j Non-Identified NSD = No Structures Selected

CITY_T1 MCi 0 OZ 0112 76 7 0 0

NYC-WTC_000202488