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NYC-WTC_000193375

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000193375
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NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (!' 1808 Lab Group #: 8213 Filter Type / Filter- MCE 385 mm= Lab Sample #: 1 Grid Opening 0.01124 Client Sample #: 04 Area Exam: 0.04496 mm- GRID BOX: Magni 3c;: i 20,000 GRID ID: Accelerating Vn: ■ 100 KeV # Grid Openings: 4 Anal vs in . 6/22/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length IDof Stnicritrr EDS No (Nonadb F B C M >=05 M >=51J Chrys Amphibole ; Ambig/ND No Coord <5p Elements)

St'uct = > 0.5n >5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern prooerfies conforming to <50% undissolved filter, overlapped or folded ■is laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% B C M >5p \ = EDS spectrum conforming to labcratory holes or opaque areas identification criteria observed Chr' AMPHIBOLES ' Amp ' F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite A mb C = Cluster (>3 Intersections) Anthophyllite i Non-Asbc. Tremolite MMatrix Non-Ideiii:: I Actinolite ; NSD = No Structures Detected

CITY_21MC100_003094563

NYC-WTC_000193375

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NYC-WTC_000193375Source: NYC Law Department, mirrored locally

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TEM asbestos air sample results, NYC BOE, Nov 2001

NYC-WTC_000185318

Laboratory report documenting transmission electron microscopy analysis of an air sample collected from the New York City Board of Education on November 13, 2001.

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