Laboratory commentary on GCMS scan of sample AD29135 conducted on December 18, 2001, noting recovery issues with LCS Standard.
NYC-WTC_000036064–000036078Folder label: “GCMS X 12/3/01 A 12/10/01”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
Data File : C:\HPCHEM\1\DATA\DEC1001\29135.D Vial: 22 Acq On : 11 Dec 2001 7:12 am Operator: 209 GALOS Sample : gc/ms scan 12/3 Inst : GC/MS 209 Misc 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 2 N-Ethylformamide Concentration Rank 2
R.T. EstConc Area Relative to ISTD R.T. ----------------------- --------------------------------------------- 7.60 3.35 ug/l 1030210 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, tetramethyl- 88 C4H12Si 000075-76-3 9 3 1,3-Dioxolane, 2-(3-b:romo-5,5,5-tri 352 C10H16BrCl302 000000-00-0 9 4 1,3-Dioxolane, 2-methyl- 88 C4H802 000497-26-7 5 bundance Scan 279 (7.603 min): 29135.D (-) m/z 73.00 100.00
5000 I 43 87 103 7.20 7.40 7.60 7.80 8.00 37 48 5̀5 67 m/z 43.00 25.21 > 10 20 30 40 50 60 70 80 90 100 110 120 thundance #292: N-Ethyiformamide 73
5000 58 7.20 7.40 7.60 7.80 8.00 44 m/z 41.05 9.69 15 nlz--> 10 20 30 40 50 60 70 80 90 100 110 120 undance #845: Silane. tetrar ethvi-
7.20 7.40 7.60 7.80 8.00 5000 m/z 44.95 9.51
45 15 31 55 88 z-> 10 20 30 40 50 60 70 80 90 100 110 120 thundance #49423: 1,3-Dioxolane, 2-(3-bromo-5,5,5-trichloro-2,2-dimet 7.20 7.40 7.60 7.80 8.00 m/z 71.00 6.16 5000 45 36 55 67 • 109 115 lz--> 10 20 30 40 50 60 70 80 90 100 110 120 7.20 7.40 7.60 7.80 8.00
29135.D GCMS1126.M Fri Dec 14 16:05:02 2001 Page 2
NYC-WTC 000036072
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NYC-WTC_000036079
Laboratory report showing GCMS scan results for sample AD29135 including detection of unknown compounds and surrogates.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036391
Laboratory report documenting GCMS analysis of sample AD29298 conducted on January 4, 2002, showing unknown compounds and surrogates.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036325
Laboratory GCMS analysis report for sample AD29229 conducted on December 28, 2001, including surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036114
Laboratory report noting GCMS scan results for sample AD29230 with one compound recovery outside acceptance range.
1 shared topics · Same agency, volume and box · similarity 0.996
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 0.996
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.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035853
Lab notes for sample AD29139 indicate detection of di-n-butylphthalate and one LCS compound outside acceptance range.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036220
Blank sample results showing non-detect levels for target compounds during December 2001 laboratory testing.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035955
Laboratory report documenting GCMS scan results for sample AD29137 with no unusual compounds detected.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036243
Laboratory analysis report for sample AD29235 conducted on December 28, 2001, including surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.996
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.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017796
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD30354 conducted on January 10, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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NYC-WTC_000036040
Department of Environmental Protection record logging GCMS X samples from November to December 2001.
Filed in the same folder
NYC-WTC_000036041
Fragmented document page from DEP Box 22 containing partial text regarding GCMS procedures or logs.
Filed in the same folder
NYC-WTC_000036044
Technical form recording method parameters, drip rates, and analytical data for GCMS testing procedures.
Filed in the same folder
NYC-WTC_000036055
Laboratory report listing detection limits for various organic compounds in a GCMS blank sample run on December 18.
Filed in the same folder
NYC-WTC_000036059
Calibration report detailing response factors for standard compounds used in GCMS analysis of sample AD29135.
Filed in the same folder