NYC-WTC_000023887
Laboratory report showing GC/MS analysis of sample AE10980 with surrogate recovery data for 2,4-DDD.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗Laboratory report showing GC/MS analysis of sample AE10901 with surrogate recovery data for 2,4-DDD.
NYC-WTC_000023871–000023886Folder label: “GCMS X 5/10/02 A 5/14/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document LLDL CL Y DEdLtii COIpOUIIC REDOL L
Data File : C:\MSDCHEM\1\DATA\051402\10901.D Vial: 8 Acq On : 14 May 2002 7:12 pm Operator: Mclean Sample : 5/10 kb 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 4 Octamethyl-1,3-cyclohexadiene Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T.
21.22 0.68 ug/L 809091 Phenant hr anene - dl 0 22.95
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Octamethyl-1,3-cyclohexadiene 192 C14H24 1000110-41-8 42 2 N-[4-(Ethyl-methyl-amino)-phenyl... 192 C11H16N2O 1000194-36-4 38 3 Pyrazine, 2,5-bis(1,1-dimethylet ... 192 C12H20N2 018709-51-8 30 4 1,4-Benzenediamine, N,N'-bis(1-m... 192 C12H20N2 004251-01-8 27 Abundance Scan 3087 (21.217 min): 10901 .D (-3078) (-) m/z 177.10 100.00% 1/7
163 191 5000 41 55 69 91 105 123 135 149 205 219 233 248 s.. , 20.80 21.00 21.20 21.40 21.60
m/z—> O- 20 40 /60 w 80 Il100[ ill , all, +lh | |lilji,, . , I 1B.T 120 140 160 180 200 220 240 t-- 1rrl 1 i i m/z 191.10 57.17% Abundance #76425: Octamethyl-1,3-cyclohexadiene 177
... 5000 162 20.80 21.00 21.20 21.40 21.60 192 m/z 163.10 54.91%
n/z-> .... 47.69 91 105 19 47 | 0 0d,nt-0d/—=-1=n/—/-C—TT——-T-T=d///"/TOOB—T/TT ' i ' r ■ ' i ' ' 1 1 i ' ' ' 1 i 20 40 60 80 100 120 140 160 180 200 220 240 Abundance #76475: N-[4-(Ethyl-methyl-amino)-phenyl]-acetamide 1777 192 ... l\.... 20.80 21.00 21.20 21.40 21.60 5000 m/z 248.20 43.47% 135 149 119 28 43 54 65 79 92 106 I „ 161 0-11 r 1 1" ' r ■ I ....... |" ' ''''I I (" I,. — 1‘+1‘11"1‘I++I-I n/z—> 20I 40 60 80 100 120 140 160 180 200 220 240 Abundance #76399: Pyrazine, 2,5-bis(1,1-dimethylethyl)- 177 20.80 21.00 21.20 21.40 21.60 150 m/z 41.10 42.57%
5000 192 41 135 162 . .................... )........................... 53 67 79 94 121 0 1’1 " 0** I■ .• 1 । , >I i । ■ < 1 I 1 1 1 1 i 1 1 1 1 I 1 1 1 ' I Tl/Z-> 20 40 60 80 100 120 140 160 180 200 220 240 20.80 21.00 21.20 21.40 21.60
10901.D 050102 .M Thu May 16 14:35:39 2002 Page 7
NYC-WTC_000023882
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_000023887
Laboratory report showing GC/MS analysis of sample AE10980 with surrogate recovery data for 2,4-DDD.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024167
Lab notes regarding low recovery in sample AE10206 requiring re-extraction and successful re-analysis on May 21, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025257
Laboratory report showing gas chromatography/mass spectrometry results for sample AE11412 analyzed on May 28, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023179
Laboratory report showing GCMS analysis of sample AE09577 conducted on May 14, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025319
Laboratory report documenting gas chromatography/mass spectrometry analysis of sample AE11416 conducted on May 28, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023063
Laboratory report detailing gas chromatography mass spectrometry analysis of sample AE09572 conducted on May 14, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
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 non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023156
Laboratory report showing GCMS analysis of sample AE09576 conducted on May 14, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023517
Laboratory report page showing GC/MS analysis for sample AE10817 including surrogate recovery data on May 14, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023472
Laboratory report showing GC/MS analysis results for sample AE10163 including surrogate recovery data on May 14, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.994
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 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025274
Laboratory report documenting gas chromatography/mass spectrometry analysis of sample AE11413 conducted on May 28, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗No available related records indexed in this group.
Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000046036
Gas chromatography-mass spectrometry report for sample AE10811 showing detection of unknown compounds and surrogate recovery.
Similarity score 0.978 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050444
Laboratory blank report for GCMS analysis of sample AE00167 showing compound concentrations and quality control values.
Similarity score 0.977 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023179
Laboratory report showing GCMS analysis of sample AE09577 conducted on May 14, 2002.
Similarity score 0.977 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050444
Laboratory blank report for GCMS analysis of sample AE00167 showing compound concentrations and quality control values.
Similarity score 0.976 (not a probability)
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.
Similarity score 0.976 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000006146
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03248 conducted on March 15, 2002.
Similarity score 0.976 (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_000023840
Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.
Filed in the same folder
NYC-WTC_000023841
Document containing sample identifier NYC-WTC_000023840 associated with Department of Environmental Protection testing records.
Filed in the same folder
NYC-WTC_000023843
Laboratory report showing non-detectable levels of nitrosamines and other contaminants in a GC/MS blank sample AE10901.
Filed in the same folder
NYC-WTC_000023859
Calibration data for volatile organic compounds including nitrobenzene and isophorone from sample AE10901 analysis.
Filed in the same folder
NYC-WTC_000023863
Calibration data for volatile organic compounds including nitrobenzene and isophorone from sample AE10901 analysis.
Filed in the same folder