NYC-WTC_000132108
Cover letter transmitting lead in dust sampling results for 114 Liberty Street.
12 shared non-person entities · similarity 0.955
machine-extracted · confidence unavailable · Check page ↗Document / 271 pages
Chain of custody form, 90 Church Street, Nov 2001
Machine-extracted title · confidence 100%Chain of custody document for samples from 90 Church Street dated November 14, 2001.
NYC-WTC_000124631–000124901Folder label: “74-90 CHURCH ST 1001230, 86/1”
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OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
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CASE NARRATIVE
STL SACRAMENTO PROJECT NUMBER GIJ270136
SOLID, 8290, Dioxins/Furans The total TCDD result for sample D-8-04 comes from a lOX dilution since it saturated the instrument detector on the 1X dilution.
WIPE, 8290, Dioxins/Furans The 1,2,3,4,6,7,8-HpCDF result in sample D-6-07 has been flagged with a `JA' qualifier due to a matrix interference that caused the ion ratios to be outside limits. The analyst believes the analyse to be present, but the quantitation is estimated since it is based on theoretical ratios. Sample D-6-07 shows a matrix related interference that causes the suppression of several peaks. The sample was analyzed at a dilution on another instrument and the original results were confirmed. The internal standard recoveries for 13C-OCDD & 13C-1,2,3,4,7,8- HxCDF are outside control limits. The results for 1,2,3,6,7,8-HxCDF, 2,3,4,6,7,8-HxCDF, total HxCDF, & total HpCDD may be biased low. The results for l,2,3,4,7,8-HxCDD, l,2,3,7,8,9-HxCDD, total HxCDD, 1,2,3,4,7,8,9-HpCDF, & total HpCDF maybe biased • high
There were no other anomalies associated with this project.
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G1J270136 STL - Sacramento (918)373-5600 lot 51 NYC-WTC 000124847
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NYC-WTC_000124847Source: NYC Law Department, mirrored locally
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Cover letter transmitting lead in dust sampling results for the 12th floor of 114 Liberty Street.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000061160
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024463
Gas chromatography-mass spectrometry analysis of sample AE10987 completed May 22, 2002, showing unknown compounds and surrogate recovery at 89%.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000060649
Laboratory report documenting GCMS analysis of sample AE06853 conducted on April 11, 2002, identifying unknown compounds.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000039200
GCMS scan report for sample AE05912 listing results for unknown compounds analyzed on March 21, 2002.
10 shared non-person entities · similarity 0.945
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051408
Laboratory report showing GCMS analysis of sample AE00462 with surrogate recovery data on January 24, 2002.
Similar document embedding; no shared entity or topic indexed. · similarity 0.945
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000108401
Documentation tracking the collection and handling of samples during an air quality survey at the specified building.
9 shared non-person entities · similarity 0.945
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024472
Laboratory report documenting GCMS analysis of sample AE11152 conducted on May 22, 2002, including surrogate recovery data.
Similar document embedding; no shared entity or topic indexed. · similarity 0.945
machine-extracted · confidence unavailable · Check page ↗More like this page
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- 90 Church Street · 271 pages · confidence 0.95 · verify page 1
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