NYC-WTC_000179542
Laboratory report documenting transmission electron microscopy results for asbestos fibers in air samples.
16 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗Document / 23 pages
Asbestos air analysis results, H.S., April 2002
Machine-extracted title · confidence 95%Chain of custody and laboratory report for transmission electron microscopy asbestos fiber analysis at a high school received April 5, 2002.
NYC-WTC_000179519–000179541Page image
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NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 7333 — Filter Type / Filter Area: MCE 385 Lab Sample #: 10 Grid Opening Size: 0.01124 Client Sample #: 13 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 4/5/02
Analysis Performed By: MARK PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or N EDS (Nonadb No F B C M >=05 p >=5p Chrys Amphibole Nonasb Ambig/ND No Coord <5u Elements)
sr O"
I
’ZZZLa i ! ! Struct = > 0.5p >5:1 Aspect Ratio Grid acceplance: >/= Positive diffraction pattern properties conforming to <50% undissolvec filter, overlapped or folded Totals <10% particulate coverage >50% coverage ate iaboratory identification criteria observed /= EDS spectrum conforming to laboratory teas! 20 unfolded or overiapped grip squares <5% holes or opaque areas PP C M ' identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Sinole Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster >3 Intersections) Anthophyllite Non-Asbestos M = Matrix Tremolite Actinolite Non-Identified NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003459911 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179531
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NYC-WTC_000179531Source: NYC Law Department, mirrored locally
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Chain of custody and laboratory report for transmission electron microscopy asbestos fiber analysis at a high school received May 11, 2002.
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Chain of custody and laboratory report for transmission electron microscopy asbestos fiber analysis at a high school received March 31, 2002.
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machine-extracted · confidence unavailable · Check page ↗15 shared non-person entities · 1 shared topics · similarity 0.997
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Documentation of asbestos fiber analysis by TEM performed on samples from P.S. 234M received on April 6, 2002.
13 shared non-person entities · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000181731
Documentation of asbestos fiber analysis by TEM performed on samples from P.S. 234M received on May 15, 2002.
14 shared non-person entities · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗13 shared non-person entities · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗13 shared non-person entities · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗13 shared non-person entities · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗13 shared non-person entities · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗13 shared non-person entities · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗Filed elsewhere
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Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities.
Similarity score 0.999 (not a probability)
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Chain of custody and laboratory report for transmission electron microscopy asbestos fiber analysis at a high school received May 11, 2002.
Similarity score 0.999 (not a probability)
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