NYC-WTC_000205308

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 9210 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: / Grid Opening Size: 0.01124 Client Sample #: 09 Area Examined; 0.04496 min- GRID BOX: Magnification: 20,000 GRID ID; Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 12/26/200

Analysis Performed By: MARK PEYSAKHOV

; GO. Structure Structure Type Length ID of Structure n or 4 EDS No (Nonadb I No F B C M Chrys Amphibole Nonasb Ambig/ND Coord <5ij Eiementsj

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'' Ehoto No. (from 1 in a asbestos cortaining sampes) Grid acceptance: Struct = > 0.5p > 5:1 Aspect Ratio <50% undissoived filter, overlapped or folded Totals 4= :’ositive diffraction pattern properties conforming to <10% paniculate coverage >50% coverage ate iaooratory identification criteria observed least 20 unfolded or overlapped grid squares >5p I <5% holes or opaque areas f B C 4= EDS spectrum conforming to laboratory identification criteria observed Chi’vsotile i .VYPHIBOLES Amphibole F = Single Fiber i Amosite E = Bundle I<5 fibers <1 fiber diameter apart i Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Tremolite Non-Asbestos M = Matrix Actinolite Non-Identified hSD = Nc Structures Detected

CITY_21MC100_009261864

NYC-WTC_000205308