Laboratory blank report for GCMS analysis of sample AE00167 showing compound concentrations and quality control values.
NYC-WTC_000050444–000050480Folder label: “GCMS X 1/4/02 A 1/24 - 1/25/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Data File : C:\MSDCHEM\1\5973N\02JAN24\0104B.D Vial: 1 ’ Acq On : 24 Jan 2002 11:41 am Operator: Sample : lab blankl/4 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 5 2-Butenal, 3-methyl- $$ Cro... Concentration Rank 4
R.T. EstConc Area Relative to ISTD R.T.
4.86 0.11 ug/L 37900 1,4-Dichlorobenzene-d4 9.71
Hit# of 5 Tentative ID MW MolForm , CAS# Qual
1 2-Butenal, 3-methyl- $$ Crotonal... 84 C5H80 000107-86-8 50 2 Furan, 2,3-dihydro-4-methyl- (CA... 84 C5H80 034314-83-5 50 3 2-Butenal, 3-methyl- (CAS) $$ 3-... 84 C5H80 000107-86-8 50 4 Methyl cis-2,2,3-trimethylcyclop... 142 C8H14O2 123315-14-0 40 Abundance Scan 130 (4.858 min): 0104B.D (-) m/z 83.95 100.00% 84
5000 41 55 VWA t 207 ... . . 4.60 4.80 5.00 5.20 "I‘‘t‘1‘E1‘I‘ETI"TTITT‘TO2"1-B212111‘211m2119ST"3-1‘ET m/z 55.10 69.98% z-> 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #3222:2-Butenal, 3-methyl- $$ Crotonaldehyde, 3-methyl- $... 84 55
39 5000 • • ■ ■ i • • ■ ■ i ■ 1 ' • i ■ ‘ 1 ' i 1 1 ' 1 27 4.60 4.80 5.00 5.20 m/z 83.00 49.72% 69 111 ■ “ i'1 rr11,11'1 ■ -p miz—> 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #3351: Furan, 2,3-dihydro-4-methyl- (CAS) $$ 4-METHYL-2,3-.. 55 84 1 ■ i ■ • ■ ■ i ■ ■ 4.60 4.80 5W 5.20 5000 41 m/ z: 59.10 49.37%
69 mt 1______________________________________ ■ i" ■ ■ p ■ ■ ■ i ■ 1-1. p ... p .. i p h i p .. 11-1.. I P 111 P 111 (11. i P . 111 n rr p . 11 p . i. p . i n/z—> 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #3221:2-Butenal, 3-methyl- (CAS) $$ 3-Methyl-2-butenal -n-p-r ' ‘ ' I ’ ‘ ‘ ‘ 84 4.60 4.80 5.00 5.20 55 m/z 41.10 44.77%
5000 39 27
■ p1" i' ■ r m |l 69 ■ ‘ । • • ■ ■ i • • ■ • i ’1 ■ । ' m/z—> 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 4.60 4.80 5.00 5.20
)104B.D SCAN508.M Fri Jan 25 10:26:29 2002 Page 7
NYC-WTC_000050453
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_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 · Same agency, volume and box · similarity 0.997
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 · Same agency, volume and box · similarity 0.996
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.
3 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995
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 0.993
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 · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051531
Laboratory report showing GCMS analysis results for sample AE00555 conducted on February 1, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗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 0.993
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 · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000003425
Laboratory report showing GC/MS analysis results for a blank sample testing specific compounds on February 25 and 26, 2002.
2 shared non-person entities · 1 shared topics · similarity 0.995
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 non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000006065
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03185 conducted on March 15, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.993
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 · similarity 0.993
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_000050481
Laboratory report for sample AE00167 documenting detection of unknown compounds and surrogate recovery on January 28, 2002.
Filed in the same folder