NYC-WTC_000035745
Laboratory notes indicating re-extraction is required due to low recovery and potential contamination.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗Lab report noting bis(2-Ethylhexyl) Sebacate detection and potential laboratory contamination in a water sample.
NYC-WTC_000035755–000035764Folder label: “GCMS X 11/28/01 A 12/7/01”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
Data File C:\HPCHEM\1\DATA\DEC0 701\28900.D Vial: 5 Acq On 7 Dec 2001 6:50 pm Operator: 209 GALOS Sample 11/28 gc/ms scan Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: 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 1 N-Ethylformamide Concentration Rank 2
R.T. EstConc Area Relative to ISTD R.T.
7.60 2.20 ug/1 481996 1,4-Dichlorobenzene-d4 11.67
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 N-Ethylformamide 73 C3H7NO 000627-45-2 9 2 Silane, tetrame yl- 88 C4H12Si 000075-76-3 9 3 1,3-Dioxolane,/ 2-(3-bromo-5,5,5-tri 352 C10H16BrC13O2 000000-00-0 9 4 1,3-Dioxolane, 2-methyl - 88 C4H802 000497-26-7 7 Abundance Scan 279 (7.603 mln): 28900.D (-) m/z 73. OP 100.00% 73
5000- 43 IInnnnooR 87 7.20 7.40 7.60 7.80 8.00 38, 1 50 55 . 67,1 , 103 1 ■ i ■ ■ ' ' i ■ I ■ ‘ ' TIT T’r •i • ■ •' I1 * ■ ■ i 1 TT । . i . < । ri . t । । . i , । । . m/z 43.05 2 7.75% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #292: N-Ethylformamide 30 73
5000 1 [ ‘ • TTT i r /1 . . . . I . Trrurr 58 7.20 7.40 7.60 7.80 8.00 44 m/z 41.05 9.90% 15 — i ' • ■ • i ‘ 1 ■ ■ i • ■ ‘ • i • ■ ■ • i ■ • ■ • i 1 • ■ ■ i ■ m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #845; Silane, tetramethyl- 73 Trr 7.20 7.40 7.60 7.80 8.00
L. 5000 m/z 44.95 9.21% 45 15 31 55 88 ■ ■ i • • ■ ■ i ■ PIT Pmp • i • • • ■ P 1 • i l • • > • | • • • • । » I • mlz-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #49423:1,3-Dioxolane, 2-(3-bromo-5,5,5-trichloro-2,2-dimet I r 111 73 7.40 7.60 7.20 7.80 8.00 m/z 71.0p i6.49%
miz-> 5000
36 i I 45 55 ■ ■ i • • • ■ i • ■ ■ ■ i ■ • 1 ‘ 1 1 1 1 । । i i' । । ।
10 20 30 40 50 60 67, —r <h * 70 109115 • 1 • • 1 • i • • > • i • • • • I * • • • i • • 80 90 100 110 120 1 i • • ■ 1 1 ' 7.20 7.40 L ■ i . ■ । r। r. . । 7.60 7.80 8.00 .
28900.D GCMS1126.M Tue Dec 11 16:10:40 2001 Page 1
NYC-WTC_000035762
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000035745
Laboratory notes indicating re-extraction is required due to low recovery and potential contamination.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035717
Laboratory notes identifying potential laboratory contamination by specific esters in sample AD28899.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035843
Lab notes for sample AD29190 indicate detection of di-n-butylphthalate and one LCS compound outside acceptance range.
Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035990
Laboratory report noting detection of bis(2-Ethylhexyl)phthalate in sample AD29028 analyzed on December 18, 2001.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035580
GCMS scan results for sample AD28903 dated December 15, 2001, detecting bis(2-Ethylhexyl)phthalate.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035909
Lab notes for sample AD29024 indicate detection of bis(2-Ethylhexyl)phthalate and no unusual compounds.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037269
Gas chromatography-mass spectrometry report documenting analysis of sample AD29964 conducted on January 28, 2002.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035820
Lab notes for sample AD29022 indicate no unusual compounds detected but one LCS compound outside acceptance range.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036255
Laboratory analysis report for sample AD29294 conducted on December 28, 2001, including surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035727
Laboratory notes stating the GCMS scan of sample AD28897 revealed no unusual compounds.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036000
Analysis comments for sample AD29089 reporting no unusual compounds in GCMS scan but noting one compound recovery above acceptance range in LCS Standard.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000019070
Laboratory report of gas chromatography-mass spectrometry analysis for sample AD30115 conducted on January 9, 2002.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000035865
Lab notes for sample AD29134 indicate detection of di-n-butylphthalate and one LCS compound outside acceptance range.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035798
Lab notes for sample AD29188 indicate no unusual compounds detected except for unknowns and Sur_2,4-DDD.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018026
Laboratory report documenting GCMS analysis of sample AD28968 conducted on January 9, 2002.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035978
Laboratory report noting detection of di-n-butylphthalate in sample AD29026 analyzed on December 18, 2001.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036220
Blank sample results showing non-detect levels for target compounds during December 2001 laboratory testing.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000004149
Large multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.
Similarity score 0.997 (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_000035662
Department of Environmental Protection record logging GCMS X samples from November to December 2001.
Filed in the same folder
NYC-WTC_000035663
Fragmented document containing method 508 data and sample IDs processed by GCMS in late 2001.
Filed in the same folder
NYC-WTC_000035664
Laboratory data sheet recording GCMS Method 508 analysis of a blank sample for nitrosamines and chlorinated compounds.
Filed in the same folder
NYC-WTC_000035674
Calibration data sheet verifying instrument response for nitrosamines and benzene derivatives.
Filed in the same folder
NYC-WTC_000035678
Document containing calculated reference values for various organic compounds analyzed by GCMS.
Filed in the same folder