Laboratory report showing GC/MS analysis results for a blank sample testing specific compounds on February 25 and 26, 2002.
NYC-WTC_000003425–000003443Folder label: “GCMS X 1/20/02 A 2/25/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Data File : C:\MSDCHEM\1\5973N\02FEB25\0116B.D Vial: 1 . Acq On : 25 Feb 2002 11:14 am Operator: Sample : lab blank 1/16 Inst : Instrumen Mise : February 25, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method-: C:\MSDCHEM\1...\HP022102.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 2 Propane, 1,1-dimethoxy-2-me... Concentration Rank 6
R.T. EstConc Area Relative to ISTD R.T.
3.92 0.07 ug/L 22985 1,4-Dichlorobenzene-d4 9.72
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Propane, 1,1-dimethoxy-2-methyl-... 118 C6H14O2 041632-89-7 9 2 Isothiocyanatoacetaldehyde dimet... 147 C5H9NO2S 075052-04-9 9 3 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 9 4 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 9 Abundance Scan 48 (3,916 min): 0116B.D (-) m/z 75.00 100.00% 75
5000 87 55 * • l ‘ ‘ * I ‘ ‘ ‘ I ‘ ‘ 4 I ‘ ’ I 41 t 3.60 3.80 4.00 4.20 0- TTUIDTuT । ।, 11.1.... j.... ।.... p ... ।.... (.... ।.... ।.... ।.... ।.... ।.... । 207 . m/z 87.00 41.33% ‘‘‘‘I niz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200210 Abundance #17844: Propane, 1,1 -dimethoxy-2-methyl- $$ Isobutylaldehy... 75
... . .. 5000 87 3.60 3.80 4.00 4.20 m/z 55.10 32.87% 31 55 ov x +pthmmppgpITTTTT ‘I‘*IUL—COOUTNATTT- niz-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #42999: Isothiocyanatoacetaldehyde dimethyl acetal 75 3.60 3.80 4.00 4.20 5000 m/z 47.00 18.19% 31 47 15 58
iz-> 0-Nmp .. ....... 1 +8s101.= 10 2030405060 70 8090 100110120130140150160170180190200210 Abundance #17847: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1,1-Dimethoxyi... *1** 18,8 I ■ 1 ■ • i ■ ■ ■ ■ i 75 3.60 3.80 4.00 4.20 m/ z 41.10 10.79%
5000 87 55 ....... A 31 01′0099110101111111117 HttmmmpmgTTPTITTTPI niz—> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 3.60 3.80 4.00 4.20
0116B.D HP022102.M Tue Feb 26 08:30:41 2002 Page 4
NYC-WTC_000003431
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000003523
Laboratory report documenting GCMS analysis of sample AE01142 conducted on February 27, 2002.
2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000003463
Gas chromatography-mass spectrometry results for sample AE01138 identifying unknown compounds and surrogates on February 27, 2002.
4 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000003503
Laboratory report documenting GCMS analysis of sample AE01140 conducted on February 27, 2002.
1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000003483
Gas chromatography-mass spectrometry analysis report for sample AE01139 detecting surrogate 2,4-DDD at 76 ug with MDL of 5.0, analyzed on 02/27/2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000006026
Laboratory report documenting a GCMS blank test for sample AE03184 conducted on March 6, 2002.
1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000052233
Laboratory report showing GCMS blank analysis of sample AE00842 with compounds below detection limits.
1 shared non-person entities · 1 shared topics · similarity 0.996
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.
2 shared non-person entities · 1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050716
Laboratory report showing non-detect results for volatile organic compounds in a GCMS blank analyzed on January 25-February 7, 2002.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050627
Laboratory report showing non-detect results for volatile organic compounds in a GCMS blank analyzed on February 4-7, 2002.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051794
GCMS analysis log for sample AE00703 showing blank results with compounds below detection limits on January 16, 2002.
2 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051674
Laboratory report showing GCMS blank analysis results for sample AE00365 conducted between January 15 and 16, 2002.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050825
Blank analysis report for GCMS of sample AE00277 showing compounds below method detection limits from January 10, 2002.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000052291
Laboratory report detailing GCMS scan results for sample AE00844, including detection of unknown compounds and surrogate recovery data.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000052251
Laboratory report showing GCMS analysis of sample AE00842 including surrogate recovery and unknown compounds.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000003503
Laboratory report documenting GCMS analysis of sample AE01140 conducted on February 27, 2002.
Similarity score 0.993 (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 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000006085
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03245 conducted on March 15, 2002.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000003483
Gas chromatography-mass spectrometry analysis report for sample AE01139 detecting surrogate 2,4-DDD at 76 ug with MDL of 5.0, analyzed on 02/27/2002.
Similarity score 0.991 (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_000003413
Fragmented GCMS document excerpt from January and February 2002, related to World Trade Center environmental activities.
Filed in the same folder
NYC-WTC_000003414
Laboratory report showing GC/MS analysis results for sample AE01136 testing specific compounds on February 25 and 26, 2002.
Filed in the same folder
NYC-WTC_000003418
Data recording sheet containing sample identification and measurement parameters for a DEP World Trade Center environmental sample.
Filed in the same folder
NYC-WTC_000003420
Laboratory report showing GC/MS analysis results for sample AE01136 testing specific compounds on February 25 and 26, 2002.
Filed in the same folder
NYC-WTC_000003444
Laboratory report showing GC/MS analysis results for sample AE01136 testing unknown compounds and specific analytes on February 27, 2002.
Filed in the same folder