Laboratory report showing non-detectable levels of nitrosamines and other contaminants in blank sample AE10895.
NYC-WTC_000024041–000024057Folder label: “GCMS X 5/10/02 A 5/16/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document J MUpOLIL ICDOA
Data File : C:\MSDCHEM\1\DATA\051602\510LB.D Vial: 3 Acq On : 16 May 2002 4:10 pm Operator: Mclean Sample : 5/10 eh Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 2 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T. 5.97 17.60 ug/L 13410300 1,4 -Dichlorob'enzene-d4 9.93
Hit# of 5 Tentative ID MW MolForm CAS# Qu 1 2-Pentanone, 116 4 - hydroxy - 4 - me t hyl - C6H1202 000123-42 -283 2 2-Pentanone, 4 -hydroxy-4-methyl- 116 C6H1202 000123-42-2 78 3 2 -Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 42 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 25 Abundance Scan 492 (5,970 min): 510LB.D (-485) (-) m/z 43.10 100.00% 43
5000 59
101 560 5.80 6.00 6.20 6.40 0 ........................ 381, t 53 , 69 83 1 I 1 1 1 1 1 1 ‘‘ ‘ 1 1 1 m/ z 59.10 43.44% n/z- > 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43
5000 59 560 5.80 6.00 6.20 6.40 m/z 58.05 21.16% 15 101 01 . .. . +26,130.38,4 +53+ II 83 I m/z-> 10 20 40 50 60 70 80 90 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 560 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 17.51%
63 — 93 101 Of 10 26, 3] ■ 38,4 । 1 1 1 * 1 1 20 . | . .'I 83 । I ■ ■ 1 ■ 1 1 1 1 ' i ' ' ■ ■ 1 1 ■ ' 1 1 1 ' 1 1 1 1 m/z-> 30 40 50 60 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 560 5.80 6.00 6.20 6.40 m/ z 41.10 6.54%
5000 59 101 0 ...........27.32 38,1 Tm" 48 53, 1 ' I ' ' ' 1 1 1 ' 1 1 J 1 1 'II1 67 72 77 83 91 96, i ! ' 1 1 * I ' ' 1 1 1 1 ' 1 ' 1 1 ' ' 1 1 1 1 ■ ■ 1 ' m/z-> 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20 6.40
510LB.D 050102.M Fri May 17 15:08:53 2002 Page 5
NYC-WTC_000024049
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000022965
Laboratory report of a GCMS blank run conducted on May 14, 2002, showing non-detect results for various compounds.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023409
Laboratory report showing non-detect results for volatile organic compounds in a method blank sample AE10137 analyzed on May 14, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025216
Laboratory report showing GCMS blank analysis for sample AE11410 conducted on May 22, 2002.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023991
Laboratory report showing GC/MS analysis of sample AE10984 with surrogate recovery data for 2,4-DDD.
1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023949
Laboratory report showing GC/MS analysis of sample AE10983 with surrogate recovery data for 2,4-DDD.
1 shared topics · Same agency, volume and box · similarity 0.990
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023454
Laboratory report showing GC/MS analysis results for sample AE10160 including surrogate recovery data on May 14, 2002.
1 shared topics · Same agency, volume and box · similarity 0.990
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045936
Gas chromatography-mass spectrometry blank analysis conducted May 17, 2002 testing for semivolatile organic compounds with all results below method reporting limits.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044559
Laboratory report showing blank test results for various organic compounds on May 7, 2002.
1 shared topics · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000046006
Gas chromatography-mass spectrometry report for sample AE10810 showing detection of unknown compounds and surrogate recovery.
1 shared topics · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045984
Gas chromatography-mass spectrometry report for sample AE10809 showing detection of unknown compounds and surrogate recovery.
1 shared topics · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044672
Laboratory report documenting GCMS analysis of sample AE09335 conducted on May 8, 2002.
1 shared topics · similarity 0.990
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044381
Gas chromatography-mass spectrometry blank analysis showing results below method detection limits for organic compounds.
1 shared topics · similarity 0.990
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_000024038
Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.
Filed in the same folder
NYC-WTC_000024039
Document containing sample identifier NYC-WTC_000024038 with laboratory processing parameters including drip rates and pH.
Filed in the same folder
NYC-WTC_000024058
Laboratory report showing calibration data for volatile organic compounds in sample AE10895 analysis.
Filed in the same folder
NYC-WTC_000024062
Laboratory report showing reference standard analysis results for nitrosamines and other compounds in sample AE10895.
Filed in the same folder
NYC-WTC_000024070
Gas chromatography-mass spectrometry analysis of sample AE10895 with 91% surrogate recovery for 2,4-DDD, conducted May 21, 2002.
Filed in the same folder