NYC-WTC_000228851

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Voimne (lifers): 1800 Lab Group #: 7717 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: I Grid Opening Size: 0.01124 Client Sample #: 04 Area Examined: 0,04496 mm- GRID BOX; Ma gnifi cation .■ 20,000 GRID ID: Accelerating Voltage: too KeV # Grid Openings: 4 Analysis Date: 5/11/02

Analysis Performed By: ROMAN PEYSAKHOV

GO Structure Structure Type Length ID of Structure Nor v EDS No (Nonadb F B C M >=05 p >=5p Chrys Amphibole Nonasb Ambig/ND No Coord <5m Elements}

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Struct = > 0.5ji >5:1 Aspect Ratio Grid acceptance: <50% undissoived fitter, overlapped or folded Tot^s 1}= Positeve diffraction pattern properties contorming to laboratory idantification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5u V= EOS spectrum conforming to iaboratory fiotes Of opaque areas idertafication critena observed Chrysotile AMPHIBQLES' Amphibole F - Single Fiber Amosite E = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster |>3 inletaecttons) Anthophyllite Non-Asbestos Tremolite ,M= Matrix Actinolite Non-Identificd NSD = No Structures Detected

CITY_21MC100_002901802

NYC-WTC_000228851