NYC-WTC_000180685
Laboratory report documenting TEM analysis of an air sample collected at WC BOE on December 3, 2001.
8 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Document / 1 page
TEM Asbestos air sample results, NYC BOE, Apr 2002
Machine-extracted title · confidence 95%Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
NYC-WTC_000176949Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: WC BOE Volume (liters): 1840 Lab Group #: 7444 Filter Tvpe / Filter Area: MCE 385 mm^ Lab Sample #: 5 Grid Opening Size: 0.01124 Client sample #: 05 Area Examined: 0.04496 mm- GRID BOX: Maenification: 20,000 GRID ID: Accelerating Vo 11age: 100 KeV # Grid Openings: 4 Analysis Date: 4/17/02 Analysis Performed By: "
ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or \ EDS ; (Nonadb j No F B C M >=05 M >=5tJ Chrys Amphibole Nonasb Ambig/ND No Coord <5u Elements)
17^
Struct = > 0.5u >5:1 Aspect Ratio Grid acceptance: \| = Positive diffraction pattern propertiesconforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B 1 C 1 M . >5p EDS spectrum conforming to laboratory holes or opaque areas ioentincation criteria observed Chrysotile AMPHIBOLES Amphibole r = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous i C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSO = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003471108 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176949
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NYC-WTC_000176949Source: NYC Law Department, mirrored locally
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Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
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Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education facility.
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