NYC-WTC_000182635
Laboratory analysis report for TEM asbestos air sample #20 collected by NYC SCA.
8 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Document / 1 page
NYC-WTC_000188506
Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000188506Page image
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NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: NYC SCA Volume (liters): 1928 Lab Group #: 5801 Filter Type / Filter Area: MCE 385 Lab Sample #: 20 Grid Opening Size: 0.01124 Client Sample #: 20 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20,000 GRIDED: Accelerating Voltage: 100 KeV # Grid Openings: 4
Analysis Performed By: . ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or N EDS (Nonadb No F B C M >=0^(1 :>=5tJ Chrys Amphibole Nonasb Ambig/ND Elements) ! No Coord <5p I , pg: if ------ i
Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance: A- Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <13% 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 critena observed Chrysotile AMPHIBOLES i Amphibole F = Single Fiber Amosite i 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
CITY_21MC100_003081532
NYC-WTC_000188506
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NYC-WTC_000188506Source: 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 School Construction Agency site.
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Data sheet recording laboratory parameters and initial observations for the third transmission electron microscopy asbestos air sample analysis.
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