Laboratory report documenting GCMS analysis of a method blank for sample AE03508 to verify analytical system cleanliness.
NYC-WTC_000037635–000037654Folder label: “GCMS X 2/19/02 A 3/8/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report . Data File : C: \MSDCHEM\1\5973N\02MAR08\03508 . D Vial: 4 Acq On : 8 Mar 2002 1:07 pm Operator: Sample : 508 scan Inst : Instrumen Mise : March 8, 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 ISOBUTYRALDEHYDE, DIMETHYLA... Concentration Rank 13 R.T. EstConc Area Relative to ISTD R.T. 3.93 0.08 ug/L 37878 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 78 2 Propane, 1,l-dimethoxy-2-methyl-... 118 C6H14O2 041632-89-7 78 3 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H14O2 000000-00-0 78 4 Propane, 1,1-dimethoxy-2-methyl- 118 C6H14O2 041632-89-7 64 Abundance Scan 49 (3.927 min): 03508.D (-) m/z 75.00 100.00% 75
5000 87 55 41 47 I' 1 ' ' I ' 1 ' ' I S 51 71 84 3.60 3.80 4.00 4.20 miz-> Of Tuu1unp—mu—8f —p -—H -I 5 10 15 20253035404550556065 70 75 808580 95 m/z 87.00 36.01% Abundance #17848: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1 1-Dimethoxyi... 75
5000 87 3.60 3.80 .... L i 1 ■ > । i <' ' 1 । 4.00 4.20 15 55 m/z 55.10 29.65% 27 31 47 59 71 0b “ i" TIOp—n—adanaaaannam “ i “ -HT HT HIPg miz-> 5 10 15 20_25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17844: Propane, 1,1-dimethoxy-2-methyl-$$ Isobutylaldehy... 75 3.60 1 ' I ' 1 3.80 AAALL 4.20 4.00 5000 m/ z 47.00 17.65% 87 31 47 55 — 43, 59 71 OfTTTTJTTTT| "1111/111 mH TIOH] Hp *pagm miz—> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17847: ISOBUTYRALDEHYDE, DIMETHYLACETAL$$ 1 1-Dimethoxyi... . . | 1 1 , I j . । . , , , । ■ t 75 3.60 3,80 4.00 4.20 m/z 41.10 14.99% 5000 87 31 47 55
O ! 43, 59 71 TOTTTTT 1111111 i111111,11111, ■, H Bpmngor A A miz—> 5 10 15 202530354045505560 65 70 75 80 85 90 95 3.60 3.80 4.00 4.20
03508.D HP022102.M Fri Mar 15 10:08:50 2002 Page 4
NYC-WTC_000037642
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NYC-WTC_000037720
Laboratory report documenting GCMS analysis of a method blank for sample AE03612 to verify analytical system cleanliness.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037660
Laboratory report documenting GCMS analysis of a method blank for sample AE03509 to verify analytical system cleanliness.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037780
Gas chromatography-mass spectrometry analysis of sample AE03616 performed on 3/28/2002, detecting other unknown compounds with surrogate 2,4-DDD at 5.0 µg detection limit.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037740
Laboratory report documenting GCMS analysis of a method blank for sample AE03614 to verify analytical system cleanliness.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037680
Laboratory report documenting GCMS analysis of a method blank for sample AE03510 to verify analytical system cleanliness.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037760
Laboratory report documenting GCMS analysis of a method blank for sample AE03615 to verify analytical system cleanliness.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037800
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AE03617 conducted on March 28, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037700
Laboratory report documenting GCMS analysis of a method blank for sample AE03611 to verify analytical system cleanliness.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000010967
Gas chromatography-mass spectrometry analysis of sample AE02718 performed March 5, 2002, documenting other unknown compounds and surrogate 2,4-DDD recovery at 97 percent.
1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000004494
Multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.
1 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000009966
Analytical results for sample AE01508 analyzed via GCMS on March 4, 2002, including surrogate recovery data.
1 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000010867
Laboratory report documenting gas chromatography-mass spectrometry results for sample AE02713 including surrogate recovery.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000010907
Laboratory report documenting gas chromatography-mass spectrometry results for sample AE03075 including surrogate recovery.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037740
Laboratory report documenting GCMS analysis of a method blank for sample AE03614 to verify analytical system cleanliness.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037720
Laboratory report documenting GCMS analysis of a method blank for sample AE03612 to verify analytical system cleanliness.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036779
GCMS analysis report for sample AD29522 listing unknown compounds and surrogate recovery data from February 8, 2002.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000004935
Multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000010927
Laboratory report documenting gas chromatography-mass spectrometry results for sample AE03075 including surrogate recovery.
Similarity score 0.998 (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_000037604
Department of Environmental Protection site log sheet for the World Trade Center area covering February and March 2002.
Filed in the same folder
NYC-WTC_000037605
Record of water sample extraction parameters including drip rates, volumes, and pH measurements from February to March 2002.
Filed in the same folder
NYC-WTC_000037611
Reference standard analysis data verifying instrument performance for detecting volatile organic compounds in water samples.
Filed in the same folder
NYC-WTC_000037616
Laboratory report showing GCMS blank analysis results for volatile organic compounds with detection limits below MDL.
Filed in the same folder
NYC-WTC_000037655
Laboratory report listing concentrations of volatile organic compounds in sample AE03509 analyzed on March 19, 2002.
Filed in the same folder