NYC-WTC_000035890
Laboratory data sheet recording GCMS analysis of a blank sample for nitrosamines and chlorinated compounds.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Instrument blank report confirming absence of target analytes in the analytical system prior to sample testing.
NYC-WTC_000034731–000034740Folder label: “GCMS X 11/23/01 A 11/29/01”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report Data File : C:\HPCHEM\1\DATA\NOV2601\LBC.D Vial: 4 Acq On : 27 NOV 2001 8:13 pm Operator: 209 GALOS Sample : 11/23 scan Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Paramss LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 2 N-Ethylformamide Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 7.63 3.67 ug/1 715043 1,4-Dichlorobenzene-d4 11.69 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 N-Ethylformamide 73 C3H7NO 000627-45-2 9 2 Silane, tetramethyl- 88 C4H12Si 000075-76-3 9 3 3-Pentanol, 3-methyl- 102 C6H140 000077-74-7 9 4 1,3-Dioxolane, 2-methyl- 88 C4H802 000497-26-7 5 Abundance Scan 281 (7,627 min): LB C.D() 73 7 m/z 73.00 100.00%
5000 43 87 7.20 7.40 7.60 7.80 8.00 3844L 50 55 67, । Pt 103 ' I • ■ ' ' I ■ ' ■ • l ' • ■ ■ I • m/z 43.05 24.61% miz—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #292: N-Ethylformamide 33 73
5000 58 7.20 7.40 7.60 7.80 8.00 44 m/z 41.05 9.85%
miz-> 15L---- 4 ■ — 10 20 301 40 50 60 — —————————— 70 80 90 100 110 Abundance #845: Silane, tetramethyl- 73 ETTTT TTTTT iiii TTTT i TT 7.20 7.40 7.60 7.80 8.00 5000 m/z 44.95 9.08%
45 15 31 1 55 i 88 ■ ' I J 11 ' | 1 T‘‘T । ■ । । । । ■ ■ ■ ■ ' ■ 1 i i ’ 1 ■ i ■ ■ ■ ■ i ■
miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #63573: 3-Pentanol, 3-methyl- ■ - j . . . i ।. T2TT । ■ • ■ 73 7.20 7.40 7.60 7.80 8.00 m/z 71.0.0 5.99% 5000 55 45 87 27 | . ■ ■ i 1 3?. ' I ‘ I 'I' 1*1 — i1! ■ । । । .1 m/z—> ' ' I ' ■ ' 10 ' I 20 30 40 50 60 70 80 90 100 110 7.20 7.40 7.60 7.80 8.00
LBC.D GCMS1126.M Fri Nov 30 16:06:52 2001 Page 2
NYC-WTC_000034738
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000035890
Laboratory data sheet recording GCMS analysis of a blank sample for nitrosamines and chlorinated compounds.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034160
Laboratory report of a method blank analysis for sample AD28263 conducted on November 26, 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036210
Reference analysis results for target analytes used to verify GCMS instrument performance in December 2001.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036044
Technical form recording method parameters, drip rates, and analytical data for GCMS testing procedures.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035563
GCMS analysis results for sample AD28903 dated December 15, 2001, showing non-detect levels for various compounds.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036350
Blank sample analysis report for GCMS testing showing non-detect levels for target analytes.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036953
Laboratory report of GCMS blank analysis for sample AD29665 conducted on December 15, 2001.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035426
Log recording sample volume, drip rates, and addition details for GCMS analysis in December 2001.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016242
Laboratory report of a GCMS blank run for sample AD31347 performed on February 5, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000009428
Laboratory data table recording drip rates and volumes for GCMS Method 508 analysis.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016555
Blank analysis report for DEP sample AD31432 showing non-detect levels for volatile organic compounds from January 22, 2002.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016681
Method blank report confirming absence of contamination during volatile organic compound testing procedures in January 2002.
Similar document embedding; no shared entity or topic indexed. · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000034886
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28479 analyzed in early December 2001.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034790
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28599 analyzed in early December 2001.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034927
Laboratory report detailing GCMS scan results for sample AD28598, noting phthalate detection and recovery rates.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036092
Laboratory report noting GCMS scan results for sample AD29234 with one compound recovery outside acceptance range.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035890
Laboratory data sheet recording GCMS analysis of a blank sample for nitrosamines and chlorinated compounds.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034908
Repeat gas chromatography-mass spectrometry analysis of sample AD28596 after re-extraction, confirming bis(2-Ethylhexyl)phthalate at 0.36 ug/L with improved standard recovery of 89
Similarity score 0.995 (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_000034718
Document with unreadable text from DEP Box 22, folder GCMS X 11/23/01 A 11/29/01.
Filed in the same folder
NYC-WTC_000034719
Gas chromatography-mass spectrometry laboratory analytical data sheet with sample identification numbers, volumetric measurements, drip rates, and final analysis values from…
Filed in the same folder
NYC-WTC_000034722
Gas chromatography-mass spectrometry reference report listing concentrations of volatile organic compounds for sample AD28593.
Filed in the same folder
NYC-WTC_000034727
Calibration results for gas chromatography-mass spectrometry analysis showing detector responses for standard compounds.
Filed in the same folder
NYC-WTC_000034741
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28600 analyzed in early December 2001.
Filed in the same folder