NYC-WTC_000227662

NYC 9/11 Public Portal Document

TEM Asbestos fair) Coujs 3beet Client Name: NYC BOE - oliime (liters): 1816 Lab Group 7321 Filtet i : .. / Filter .Area: MCE 385 mm- Lab Sample #: 15 G' ‘' Dp r’liing Size: 0.01 124

Client Sample #: Area Examined: 0.04496 mm^ GRID BOX: .Vky/iiifieatioii: 20.000 GRID ID: Acc- '! rating Viltag^: 100 KeV # Grid Openings: 4 .Analysis Date: 4,4 02

Analysis Performed By: MARK PEYSAKHOV

GO 1 Structure Structure Type Length 0 of' itruclure N oi \ EDS (Nonadb No F B C M >=05 p ■ Chrys ■ unle I Nonaso , Am'uig ND No Coord Elements) <5p 3Z3-

Striici = > 0.5p > 5:i Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to ‘^0% undissolved filter, overlapped or folded T 0 :a Is laboratory identification criteria observed 10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B ! C M >5tJ V= EDS spectrum conlorming to laboratory holes or opaque areas identification criteria observed 'hl Si tile AMPHIBOLES .111: iiiioli.' F = Single Fiber Amosite Illi .gliDll.-' B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite C = Cluster (>3 Intersections) Anthophyllite Tremolite M = Matrix ■k!c iDik'd ■ Actinolite NSD = No Structuies Detected

CITY_21MC100_002899136

NYC-WTC_000227662