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GCMS analysis results for sample AE11280, May 2002

Machine-extracted title · confidence 100%

Laboratory report documenting GCMS analysis of sample AE11280 conducted on May 22, 2002, including surrogate recovery data.

NYC-WTC_000024730–000024742

Folder label: “GCMS X 5/13/02 A 5/15/02

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NYC 9/11 Public Portal Document Library bearen compound Report Data File : C:\MSDCHEM\l\DATA\020515\11280.D Vial: 14 Acq On : 16 May 2002 12:39 am Operator: Nefliu Sample : sample 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. 6.16 23.01 ug/1 1841390 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 C6H12O2 000123-42-2 36 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 28 Abundance Scan 524 (6.158 min): 11280.D (-515) (-) m/z 43.10 100.00% 43

5000 59

101 ' ' l 1 1 ' ■T ' l 1 ' ~! 1 ' 1 ' I 1 5.80 6.00 6.20 6.40 6.60 ........ 381) +48,53+ i ‘ r ■|_i 1 1 1 1 i 1 1 1 1 i 1 1 1 ' i ' 69 75 83 . I ' I ' ' ' ■ I ' 1 1 1 I ' ' 1 1 r' 1 1 1 1 1 m/ z 59.10 49.34% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 ___________ ____ 111*’’II I TTI i 59 5.80 6.00 6.20 6.40 6.60 15 m/ z 58.10 19.00% 101

m/z—> —————— 10 20 26,3] 30 .. 38,1 40 +53+ 50 83 I ' ‘ 1 ' 1 ' 1 1 1 I ''' 1 1 1 1 60 70 80 90 a 100 110 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 5.80 6.00 6.20 6.40 6.60 5000 59 m/z 101.10 16.15%

........... . . । । । । ।26,31 38,। ‘i i " I ' //Imn ' । 1 ■ ■ ■ 1 1 1 1 1 83 1 1 1 — 93 101 | ■ < i ■ > ■ > l' ■ > ■ ■ । । m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- . - . 43 5 80 6.00 6.20 6.40 6.60 m/z 41.10 7.27% 5000 59 101 ..... 1 'I 1 1 1 1 1 1 1 27,32 111/1 1 138, 48 53 1 ! 1 —4 67 72 77 83 91 96, | 1711 . .7-1-1 Fr । 11dT" । । 1 । । n/z-> 10 20 30 40 50 60 70 80 90 100 110 5.80 6.00 6.20 6.40 6.60

11280.D SCAN020507.M Thu May 16 09:59:21 2002 Page 3

NYC-WTC_000024736

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NYC-WTC_000024736Source: NYC Law Department, mirrored locally

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