NYC-WTC_000228382

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Cliviil > a I lie; NY I 13 (.)E \ Plume (liters): 1840 Lah (u inij) i;; W7S Filter Type Filter Area: MCE 385 mm- Lab Sample ff: Grid Opening Size: 0.01124 Client Sample #: Area Examined: 0.04496 mm^

£RID.BO^ Magnification: 20 000 GRID ID; Accelerating Voltage: 100 KeV # Grid < Xpenings: 4 Analysis Date: 1/27/02

Analy.sis Performed Bv: /e/O ROMAN PEYSAKHOV

' Structure ; Structure Type - Length I ID of Structure N or v EDS (Nonadb No : F B C M ^=05 p ■ >=5p I Chrys Amphitxiie I Nonasb Ambig/ND ' No Cvard I Elements)

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1 Struci-’ > (1.511 > 5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern propenies conforming to “ndissot^sd filter, overlapped or folded Totals teboratory idenlification criteria observed * 10% parbculate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5p EDS spearum conforming to laOoratory holes or opaque areas fdentificator cniena observed Chrysotile ■AMPHIBOLES Amphibole F = Single Fipfei Amosite B = Bundle :<S fibers <' fiber diameter aped Crocidolite Ambiguous C = Cluster i>; intersections I Anthophyllite Non-Asbestos Tremolite M = Matnx Actinolite Non-identified NSD = No S'l'.ctMes Detected

CITY_21MC100_002900131

NYC-WTC_000228382