Technical log documenting transmission electron microscopy analysis parameters for the first air sample from November 2001.
NYC-WTC_000179333
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1928 Lab Group #: 5812 Filter Type / Filter Area: MCE 385 mm’ Lab Sample #: 1 Grid Opening Size: 0.01124 Client Sample #: 1 Area Examined: 0,04496 mm’ GRID BOX: Magnification: 20 000 GRID ID: ---- Accelerating Voltage: 100 KeV # Grid Openings: 4
Analysis Performed By: MARK PEYSAKHOV
Structure Type Length ID of Structure N~or~7 EDS GO, Structure (Nonadb No F B C M >=05 p >=5p Chrys Amphibole Nonasb Ambig/ND No Coord Elements) <5p
Struct = > 0.5p _> 5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming 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 C M >5p EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile rAMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003458985 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179333
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NYC-WTC_000175844
Laboratory report documenting transmission electron microscopy analysis of air samples collected by the NYC Board of Education on February 2, 2002.
8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000179349
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000179352
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000181060
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities.
8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000180966
Laboratory record documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000179366
Laboratory data sheet recording transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000181456
Laboratory report documenting transmission electron microscopy analysis of an air sample collected by the NYC Board of Education on March 13, 2002.
8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000180718
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities.
8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000181477
Record of TEM analysis for asbestos in an air sample collected by the NYC Board of Education on March 16, 2002.
8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000181500
Laboratory report documenting transmission electron microscopy analysis of air samples collected by the NYC Board of Education on March 16, 2002.
8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000181643
Laboratory report documenting TEM analysis of air samples collected from NYC Board of Education facilities on March 25, 2002.
8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000180963
Laboratory record documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗No available related records indexed in this group.
Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000175844
Laboratory report documenting transmission electron microscopy analysis of air samples collected by the NYC Board of Education on February 2, 2002.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000179349
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000179352
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000181060
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000181750
Documentation of asbestos fiber analysis by TEM performed on samples from P.S. 234M received on May 21, 2002.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000180966
Laboratory record documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.
NYC-WTC_000175844
Laboratory report documenting transmission electron microscopy analysis of air samples collected by the NYC Board of Education on February 2, 2002.
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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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