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 3 2-Pentanone, 4-hydroxy-4-methy Concentration Rank I
R.T. EstConc Area Relative to ISTD R.T. --------------------------------------------------------------------- 7.69 28.74 ug/l 8825660 1,4-Dichlorobenzene-d4 11.67
Hit# of 5 Tentative ID MW MolForm CAS# Qua]. --------------------------------------------------------------------- 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 56 2 3-Hydroxy-2-pentanone 102 C5H1002 003142-66-3 9 3 Morpholine, 4-methyl- 101 C5H11NO 000109-02-4 9 4 Acetone 58 C3H60 000067-64-1 9 undance Scan 289 (7.694 min): 29135.D (-) m/z 42.95 100.00
5000 59
101 7.40 7.60 7.80 8.00 37 53 69 77 116 0 m/z 59.00 49.7].. -> 10 20 30 40 50 60 70 80 90 100 110 120 undance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 3
5000 59 7.40 7.60 7.80 8.00 m/z 100.95 20.32 27 101 49 z--> 10 20 30 40 50 60 70 80 90 100 110 120 undance 41691: 3-Hydroxy-2-rx'ntanonc 31 rq 7.40 7.60 7.80 8.00 5000 m/z 58.00 17.21 45 15 66 73 84 102 z--> 10 20 30 40 50 60 70 80 90 100 110 120 bundance #1640: Morphoiine, 4-methyr- 7.40 7.60 7.80 8.00 m/z 41.05 7.09 5000
15 101 27 71
z--> 10 20 30 40 50 60 70 80 90 100 110 120 7.40 7.60 7.80 8.00
29135.D GCMS1126.M Fri Dec 14 16:05:06 2001 Page 3
NYC-WTC 000036073
OCR can misread numbers and units. Confirm readings against the page image before using them.
Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
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.
Page similarity is temporarily unavailable or this page has no indexed vector.
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_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