Laboratory report listing unknown compounds and surrogate recovery for sample AE00250 analyzed on January 28, 2002.
NYC-WTC_000050596–000050614Folder label: “GCMS X 1/4/02 A 1/24 - 1/25/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document **—Z ~*r***
Data File : C: \MSDCHEM\1\5973N\02JAN24\00250.D Vial: 6 . Acq On : 24 Jan 2002 7:06 pm Operator: Sample : .508scan Inst : Instrumen Mise : January 24, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1... \SCAN508.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 2 3-Methyl-2,3-epoxybutanal Concentration Rank 8 R.T. EstConc Area Relative to ISTD R.T. 4.25 0.15 ug/L 71592 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 3-Methyl-2,3-epoxybutanal 100 C5H802 000000-00-0 42 2 Formic acid, 2-methylpropyl este... 102 C5H10O2 000542-55-2 22 3 1-Butanamine, 2-methyl- (CAS) $$... 87 C5H13N 000096-15-1 10 4 2-Pyrrol idinone 85 C4H7NO 000616-45-5 9 Abundance Scan 77 (4.253 min): 00250.D (-) m/z 85.00 100.00% 85 41
5000
55 60 . AAW. A 4.00 4.20 4.40 4.60 mfc-> l • • ‘ • I “ • ‘ 11' ‘ ’ I +47. 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 .iT... 100105 m/ z 41.10 82.73% Abundance #7969:3-Methyl-2,3-epoxybutanal
5000 41
60 85
, .. . A m/ z 4.00 4.20 4.40 4.60 43.10 59.97% 11111211110131112 ’1111 . 100 ■ i ■ ■ ■ ‘ i ■ ■ ■ ■ i'' +’’’1’44’1’14148***2**** 11111.... I ■i.. 11:nI>11 miz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 Abundance #9310: Formic acid, 2-methylpropyl ester (CAS) $$ Isobutyl... 43 29 56 A_A_MA 4.00 4.20 4.40 4.60 5000 60 m/z 39.10 30.10%
33 47 4 I... IJ11.. 1.... 1.... j.... 1. 1111.... 1.... “ i •■ “ i ‘ 1 ■' T niz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 Abundance #4413:1 -Butanamine, 2-methyl- (CAS) $$ 2-Methylbutylamine... 41 4.00 4.20 4.40 4.60 m/z 60.00 24.89%
5000 56 87 70 iz—> m . — 34 T 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 ■n | . l.. 11111p . ‘I | I 1111 <
4.00 4.20 4.40 4.60
)0250.D SCAN508.M Fri Jan 25 10:26:22 2002 Page 4
NYC-WTC_000050603
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_000050481
Laboratory report for sample AE00167 documenting detection of unknown compounds and surrogate recovery on January 28, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051967
GCMS analysis log for sample AE00739 showing surrogate recovery and unknown compounds detected on January 29, 2002.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050539
Laboratory report for sample AE00247 documenting detection of unknown compounds and surrogate recovery on January 28, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050519
Laboratory report for sample AE00169 documenting detection of unknown compounds and surrogate recovery on January 28, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051842
Gas chromatography-mass spectrometry analysis of sample AE00703 conducted on 1/28/02, detecting unknown compounds and 2,4-DDD surrogate at 117 ug with 5.0 MDL.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051930
GCMS analysis log for sample AE00737 showing surrogate recovery and unknown compounds detected on January 29, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050645
Laboratory report listing unknown compounds and surrogate recovery for sample AE00110 analyzed on February 13, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051549
Laboratory report showing GCMS analysis results for sample AE00556 conducted on February 1, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050754
Laboratory report listing unknown compounds and surrogate recovery for sample AE00108 analyzed on February 7, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050735
Laboratory report listing unknown compounds and surrogate recovery for sample AE00027 analyzed on February 7, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051586
Laboratory report showing GCMS analysis results for sample AE00613 conducted on February 1, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000006126
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03247 conducted on March 15, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
Page similarity is temporarily unavailable or this page has no indexed vector.
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_000050432
Administrative record from DEP Box 28 documenting GCMS activities at the World Trade Center site in January 2002.
Filed in the same folder
NYC-WTC_000050433
Fragmented page containing a document identifier and instructions regarding liquid-liquid extractor drip rates from January 24-25, 2002.
Filed in the same folder
NYC-WTC_000050435
Gas chromatography-mass spectrometry calibration analysis of sample AE00167 detecting multiple organic compounds including nitrosamines and dichlorobenzenes.
Filed in the same folder
NYC-WTC_000050439
Laboratory report listing concentrations of volatile organic compounds in sample AE00167 analyzed on January 24-25, 2002.
Filed in the same folder
NYC-WTC_000050444
Laboratory blank report for GCMS analysis of sample AE00167 showing compound concentrations and quality control values.
Filed in the same folder