OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Summary ofAsbestos Sampling Results Page 3 of 3 Address: 66 Franlrfort St and 90 Gold St Date sampled: November 20, 2001
Fibrous materials in dust found by PLM analysis: Polarized Light Microscopy identifies asbestos fibers by shape and optical characteristics. Other fibers such as fabric (synthetics), paper (cellulose) and fiberglass may be identified in the analysis. The laboratory analyst counts the fibers present to give an estimate of fiber content. PLM is used for regulatory purposes for dust samples.
Results of Polarized Light Microscopy (PLM) testing of dust at 66 Frankfort St and 90 Gold St., November 20, 2001 Area Sampled [Outside Common Residence 1 Residence 2
Sample Numbers Io Dust Available VA-C-11 VA-Rl-11 VA-R2-11
Asbestos fibers (%) Io Dust Available None Detected None Detected None Detected ____
Asbestos in dust as determined by TEM analysis: TEM analysis was conducted on all dust samples that showed asbestos content by PLM as less than 1%. TEM analysis is very specific, can detect smaller fibers of asbestos, and is subject to less interference. This analysis was done to confirm the PLM findings of no asbestos found. However, TEM analysis is not used for regulatory purposes for dust samples.
Results of Transmission Electron Microscopy (TEM) testing of dust at 66 Frankfort St and 90 Gold St., November 20, 2001 Area Sampled [Outside Common Residence 1 Residence 2
Sample Numbers fo Dust Available VA-C-11 VA-Rl-11 VA-R2-11
Asbestos fibers (%) ^o Dust Available None Detected < 1% 1.5%
CITY_21MC100_008958918
NYC-WTC_000199575
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NYC-WTC_000186123
Summary report of asbestos air and dust sampling results from four locations at 66 and 90 Chambers Street on November 20, 2001.
8 shared non-person entities · 1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000176137
Summary report detailing air and settled dust sampling results from a residential building, including methods for fiber analysis.
6 shared non-person entities · 1 shared topics · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000176134
Summary report detailing air and settled dust sampling results from a residential building, including methods for fiber analysis.
6 shared non-person entities · 1 shared topics · similarity 0.985
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000186126
Summary report of asbestos air and dust sampling results from four locations at 16 Chambers Street on December 1, 2001.
6 shared non-person entities · 1 shared topics · similarity 0.984
machine-extracted · confidence unavailable · Check page ↗5 shared non-person entities · similarity 0.981
machine-extracted · confidence unavailable · Check page ↗3 shared non-person entities · 1 shared topics · similarity 0.979
machine-extracted · confidence unavailable · Check page ↗3 shared non-person entities · 1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗5 shared non-person entities · 1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗3 shared non-person entities · 1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗5 shared non-person entities · 1 shared topics · similarity 0.979
machine-extracted · confidence unavailable · Check page ↗3 shared non-person entities · 1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗3 shared non-person entities · 1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
Similarity score 0.990 (not a probability)
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Similarity score 0.978 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.977 (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.
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Summary report of asbestos air and dust sampling results from four locations at 66 and 90 Chambers Street on November 20, 2001.
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