NYC-WTC_000214162

NYC 9/11 Public Portal Document

TEM Asbestu s (air) Count Sheet Client Name; NYC BOE Volume (liters): 1920 Lab Group #; 7856 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 6 Grid Opening Size: 0.01124 Client Sample #: 06 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20,000 GRID ID; Accelerating Voltage: too KeV # Grid Openings: 4 Analysis Date: 5/25/02

Analysis Performed By: MARK I'l/YSAKHOV

GO, Structure Structure Type Le;. fl ID of Structure N or v EDS (Nonadb No F B C M ">=05 p ' Chrys Amphibole Nonasb Ambig/ND No Coord <5m ' Elements) i

2t

Struct = > 0.5n >5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to <50% undissotvec . verlapped or folded Totals <10% partic'ji.^iG • .•>50%co e^ '/eate laboratory identification criteria observed least20unfoidec .ppedgrid.". ■=s<5% F B ! C i M >5p EOS spectrum conforming to laboratory holes or op ,; -! . —--------- identification criteria observed Chrysotile 1 AMPHltY- Amphibole F = Single Fiber Amr; 8 = Bundle (<3 fibers <1 fiber diameter apart Cioci..„i Ambiguous C = Cluster (>3 intersections) Amhopi ;r Non-Asbestos TremoP - t M = Matrix Non-Identified NSD = No Structures Detected 1

CITY_21MC100_002852679

NYC-WTC_000214162