NYC-WTC_000024748
Reference document describing Method 509 procedures for laboratory analysis, dated February 14, 1992.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗Document / 11 pages
GCMS blank results for sample AE11157, May 2002
Machine-extracted title · confidence 100%Laboratory report showing blank test results for GCMS analysis of sample AE11157 conducted between May 13 and May 16, 2002.
NYC-WTC_000024629–000024639Folder label: “GCMS X 5/13/02 A 5/15/02”
Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document Llbrary aearen compound Report Data File : C:\MSDCHEM\1\DATA\020515\0513LB1.D Vial: 3 Acq On : 15 May 2002 1:48 pm Operator: Nefliu Sample : 05/13 lab blk Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: rteint.e Quant Method : C:\MSDCHEM\1\METHODS\SCAN020507.M (RTE Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1 ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 6.15 22.47 ug/1 1555840 1,4-Dichlorobenzene-d4 11.37
Hit# of 5 Tentative ID MW MolForm CAS# Qual
T 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 59 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 50 3 2-Pentanone, 4 - hydroxy - 4 - me t hyl - 116 C6H1202 000123-42-2 36 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H12O2 000540-88-5 28 Abundance Scan 523 (6.152 min): 0513LB1 .D (-516) (-) m/ z 43.10 100.00% 43
5000
101 5.80 6.00 6.20 6.40 iz— > I’T m+61 | 122 83 396 “ i'" ‘11 11' i ■' ■ 'i' ■ ■ ■ i''" i" ‘ ■ i" " i ■ ■ ■ ‘ r1" i" " i"'11"1' I" " I" " 11"11" " I" 0 20 40 60 80 100120140160180200220240260280300320340360380400 m/z 59.10 51.45% Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43
5000 1 1 i ■ ■ ■ ' i ■ ■ 1 1 i ■ ■ * 'i 1 * 1 * । 1 580 6.00 6.20 6.40 m/z 58.05 17.96% 15 101 .. 4 Al t Hir 1————83— .1 — m/z-> 0 20 40 60 80 100120140160180200220240260280300320340360380400 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43
580 6.00 6.20 6.40 5000 m/z 101.10 16.19%
m/z—> mAH+r 83 101 wun 11'1 ■ TT ‘ » I 1 ‘ I I I * >• 1 1 * I I I I > I I I I I I I I I I I I I 11 I I I I I I I I I I I I I I I I 11 I I I I I I I 1 I I [ I J I J I I I
0 20 40 60 80 100120140160180200220240260280300320340360380400 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- ' 1 i ' ■ ' ' i ■ ' ' 1 i ' ‘ ' 1 ' I ' 43 580 6.00 6.20 6.40 m/z 41.10 7.69% 5000
101 1 83 pn »।< i!... 1111.. 11 . j.. 111,, CTTs n । > < >>]>>>> । >> >< 111111111111111111 +Prr orr J । mm TIm m/z—> 0 20 40 60 80 100120140160180200220240260280300 320 340 360 380 400 5.80 6.00 6.20 6.40
0513LB1.D SCAN020507.M Thu May 16 14:43:11 2002 Page 3
NYC-WTC_000024634
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000024634Source: NYC Law Department, mirrored locally
Related records
Browse subjects →Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
Same-box records
NYC-WTC_000022495
Technical log detailing gas chromatography mass spectrometry method parameters and calibration settings from May 2002.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024534
Laboratory report showing blank test results for GCMS analysis of sample AE11282 conducted between May 13 and May 16, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025499
Laboratory report showing non-detect levels for 15 volatile organic compounds in a GCMS method blank processed on May 17-21, 2002.
1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024730
Laboratory report documenting GCMS analysis of sample AE11280 conducted on May 22, 2002, including surrogate recovery data.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.990
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024427
Record of sample preparation parameters including drip rates and volumes for GCMS analysis conducted in mid-May 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.990
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024706
Laboratory report documenting GCMS analysis of sample AE11281 conducted on May 22, 2002, including surrogate recovery data.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.990
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024596
Laboratory report documenting GCMS analysis of sample AE11304 conducted on May 28, 2002, including surrogate recovery data.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024692
Laboratory report documenting GCMS analysis of sample AE11278 conducted on May 22, 2002, including surrogate recovery data.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000022561
Laboratory commentary noting no unusual compounds detected in the GCMS scan of sample AE11480 on May 29, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗Filed elsewhere
NYC-WTC_000045687
Laboratory report of a GC/MS blank run analyzing volatile organic compounds with results below detection limits in May 2002.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000046117
Laboratory report showing GCMS blank results for volatile organic compounds from sample AE10068 dated May 7-13, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗More like this 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.
Others also read
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_000024623
Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.
Filed in the same folder
NYC-WTC_000024624
Laboratory report documenting GCMS analysis of sample AE11305 conducted on May 28, 2002, including surrogate recovery data.
Filed in the same folder
NYC-WTC_000024640
Laboratory report displaying calibration data for GCMS analysis of sample AE11157 conducted between May 13 and May 16, 2002.
Filed in the same folder
NYC-WTC_000024644
Laboratory report displaying reference standard results for GCMS analysis of sample AE11157 conducted between May 13 and May 16, 2002.
Filed in the same folder
NYC-WTC_000024652
GCMS analysis for sample AE11157 identifying other unknown compounds with a 2,4-DDD surrogate recovery of 91%, completed May 22, 2002.
Filed in the same folder