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\l\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 5 3,4-Dihydropyran $$ 2H-Pyra... Concentration Rank 5 R.T. EstConc Area Relative to ISTD R.T. 4.88 G.13 ug/L 62723 1,4-Dichlorobenzene-d4 9.72
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 3,4-Dihydropyran $$ 2H-Pyran, 3,... 84 C5H80 000110-87-2 2 Furan, 2,3-dihydro-4-methyl- (CA... 84 C5H80 034314-83-5 3 3 2-Ethylacrolein $$ 2-Ethacrolein... 84 C5H80 000922-63-4 53 4 3,4-Dihydropyran $$ 2H-Pyran, 3,... 84 C5H80 000110-87-2 53 Abundance Scan 133 (4.875 min): 03508.D (-) m/z 83.95 100.00% 84 55 41 5000
207 11211/1T*1/1/4/*1/1/1/1/1/1/1/21F 4.60 4.80 5.00 5.20 0 '11 “ *'i “ l‘i' I.J.... 1.... 1.... I....tI{1 1......... 1...'. 1... m/z 55.10 68.45% miz—> 2030405060 70 8090 100110120130140150160170180190200210 Abundance #3368: 3,4-Dihydropyran $$ 2H-Pyran, 3,4-dihydro- (CAS) 55 84 5000 4.60 4.80 5.00 5.20 m/z 59.00 59.95% 69 ...... 45 1 0 ' I'" ‘I' ' r' ■ 111111 miz—> 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 Abundance #3351: Furan, 2,3-dihydro-4-methyl- (CAS) $$ 4-METHYL-2,3-.. 55 84 A 4.60_ 4.80 5.00 5.20 5000 41 m/z 41.10 51.39%
69 -l miz—> Abundance O-pm 1______________________________________ TTTTTT rrrpTTTpTnyTTTTpTTTp-rTTp-rrrp-rTTpT^TTrrr^^ 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 #3305:2-Ethylacrolein $$ 2-Ethacrotein $$ Butanal, 2-meth... 55 84 AL . , MA4.80 5.00 5.20 —4.60 m/z 83.00 40.73% 5000 39 27 66 _________ 1)________ o ■ i' “ ■ i ‘ TpHT T-r I r-r-r-r-j-T-T-n 122/11/8-T miz-> 2030405060 70 8090 100110120130140150160170180130200210 4.60 4.80 5.00 5.20
03508.D HP022102.M Fri Mar 15 10:08:50 2002 Page 7
NYC-WTC_000037645
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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_000037800
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AE03617 conducted on March 28, 2002.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051236
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE00366 conducted on January 18, 2002.
Similarity score 0.994 (not a probability)
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.
Similarity score 0.994 (not a probability)
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.
Similarity score 0.993 (not a probability)
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.
Similarity score 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051137
Laboratory report showing GCMS analysis of sample AE00320 for unknown compounds and DDD on January 10, 2002.
Similarity score 0.989 (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