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 0.995
machine-extracted · confidence unavailable · Check page ↗Record of sample preparation parameters including drip rates and volumes for GCMS analysis conducted in mid-May 2002.
NYC-WTC_000024427–000024436Folder label: “GCMS X 5/13/02 A 5/16/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
Data File : C:\MSDCHEM\1\DATA\020515\0513LB2.D Vial: 4 Acq On : 15 May 2002 2:47 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 20.54 ug/1 1519690 1,4-Dichlorobenzene-d4 11.38
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 83 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 50 3 2 -Pentanone, 4-hydroxy-4 -methyl- 116 C6H1202 000123-42-2 40 4 2-Hexanol , 2-methyl- 116 C7H160 000625-23-0 25 Abundance 7 Scan 523 (6.152 min): 0513LB2.D (-517) (-) m/ z 43.05 100.00% 43
59 5000
101 IIP — । । i i । । 5.80 6.00 6.20 6.40 .................................. 37, |, 53 , 69 74 83 . | 109 +i rPH' I ■ 1 1 ■ i 1 1 1 1 I 1 ' 1 1 TP 1-111 m/z 59.10 51.26% iz—> Abundance 10 20 30 40 50 I60 70 #109755:2-Pentanone, 4-hydroxy-4-methyl- 80 90 100 110 ft 4(3
5000 ■ ‘ i ■ ' ■ ■ I ■ ■ ' ' 1 11n77 I ' 1 1 1 i 1 59 580 6.00 6.20 6.40 m/z 58.10 20.76% 15 31 101 —251,37 . ...................... .... .......... . miz—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 ~1 ' | ‘ ' f 1 ' | ' TT-p-T-r-1 -J " 580 6,00 6.20 6.40 5000 m/z 101.10 15.88% 59
92 — 93 101 m/z-> +1/11 10 —1125130.3 20 30 7,401 tri 50i 1774 60 83 | I ■ ' ■ ■i 1 1 1 ■ i ■ 1 1 1 i' 1 1 1 rr 1 1 1 1 1 1 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- । । । । । it । । । IT! i iTTpri 111 43 5.80 6.00 6.20 6.40 m/z 41.10 7.24% 5000 59
27 37 . 101 ---44 !■' ' l 53. — — 67 —77 — 83 91 , | 1* t mpin r r -A । Pm* m/z—> 10 20 30 40 50 60 70 80 90 100 110 5.80 6.00 6.20 6.40
0513LB2.D SCAN020507.M Thu May 16 14:44:12 2002 Page 3
NYC-WTC_000024432
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_000024748
Reference document describing Method 509 procedures for laboratory analysis, dated February 14, 1992.
1 shared topics · Same agency, volume and box · similarity 0.995
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 0.995
machine-extracted · confidence unavailable · Check page ↗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 0.993
machine-extracted · confidence unavailable · Check page ↗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.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024804
Laboratory report documenting GCMS analysis of sample AE10242 conducted on May 28, 2002, including surrogate recovery data.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.993
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 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000022609
Laboratory commentary regarding low recovery and subsequent re-analysis of sample AE10519 conducted on May 29, 2002.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025568
GCMS analysis report for sample AE11567 showing unknown compounds and surrogate recovery data from May 29, 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_000024824
Laboratory report documenting GCMS analysis of sample AE10243 conducted on May 28, 2002, including surrogate recovery data.
1 shared topics · Same agency, volume and box · 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 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000048602
Laboratory blank analysis results confirming absence of contamination in GCMS testing for volatile organic compounds.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000048085
Laboratory report showing non-detect results for volatile organic compounds in a GCMS blank run (Sample AE08323) from April to May 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.
NYC-WTC_000025624
GCMS analysis report for sample AE11572 showing unknown compounds and surrogate recovery data from May 29, 2002.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024907
Laboratory report documenting GCMS analysis of sample AE10247 conducted on May 28, 2002, including surrogate recovery data.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000022609
Laboratory commentary regarding low recovery and subsequent re-analysis of sample AE10519 conducted on May 29, 2002.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024935
Chromatogram and integration data from Method 508 GC/MS analysis of sample AE10302 performed on May 28, 2002.
Similarity score 0.997 (not a probability)
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.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024748
Reference document describing Method 509 procedures for laboratory analysis, dated February 14, 1992.
Similarity score 0.997 (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_000024423
Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.
Filed in the same folder
NYC-WTC_000024424
Brief log entry or header page from a GCMS analysis record dated between May 13 and May 16, 2002.
Filed in the same folder
NYC-WTC_000024437
Laboratory report showing calibration results for volatile organic compounds using GCMS methods between May 13 and May 15, 2002.
Filed in the same folder
NYC-WTC_000024441
Laboratory record of reference standard analysis for volatile organic compounds using GCMS methods from May 13 to May 15, 2002.
Filed in the same folder
NYC-WTC_000024450
Chain of custody record for GCMS analysis of sample AE10986 on May 22, 2002, including surrogate compound data.
Filed in the same folder