NYC-WTC_000229258

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1816 Lab Group #: 8074 Filter Type / Filter Area: MCE 385 mm- Lab Sample #; I Grid Opening Size: 0.01124 Client Sample #; 03 Area Examined: 0.04496 mm^ GRID BOX; Magnification: 20,000 GRID IP.’ Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 6/12/02

Analysis Performed By: ROMAN PEYSAKHOV

; GO. Stnjcture Structure Type Length ID of structure Nor ’J EDS (Nofiadb No F S C M >=05 p Chiys Amphibole Nonssb AmbigA'D No Coord <5p Elements)

Hl Zm =

i-----1-

Struct - > 0.5p >5:1 Aspect Ratio GiU acceptance: Posifive diffraction pattern properties conforming to <50% undisaohed fitter, owriapped or folded Totals laturatory identiflcatlon criteria observed <10% partlculatB coverage >50% coverage ate

V= EOS spectrum conforming to laboratory least 20 unfolded or overtapped grid squares <5% F B c M >5m holes or opaque areas identification critBria observed Chrysotile i AMPHIBOLES Amphibole F = Singie Fiber , Amosite B = Bundle (<3 fibers <1 fiber diameter apart ; Crocidoiite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Actinolite Non-Idcntified NSD = No Structures Delected

CITY_2IMCl0 0_0 00491817 NYC-WTC_000229258