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GCMS analysis results for sample AE10703, May 20 2002

Machine-extracted title · confidence 100%

Gas chromatography-mass spectrometry report for sample AE10703 showing detection of unknown compounds and surrogate recovery.

NYC-WTC_000045778–000045792

Folder label: “GCMS X 5/3/02 A 5/13/02

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NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\020513\10703.D Vial: 14 Acq On : 14 May 2002 1:24 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 2 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T.

6.15 13.29 ug/1 1068360 1,4-Dichlorobenzene-d4 11.38 Hit# of 5 Tentative ID MW MolForm CAS# Qual

2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 50 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 50 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 45 4 Propane, 2-methyl-2-(1-methyleth... Abundance / Scan 523 (6.152 min): 10703.D (-520) (-) 116 C7H160 017348-59-3 33 m/z 43.10 100.00% 4(3

59 5000

101 ■ ■ i ■ 1 1 1 1 1 1 1 1 1 ' 1 1 1 1 1 1 1 1 1 580 6.00 6.20 6.40 ..............................37,1, 53, 69 83 125 m/z 59.10 56.14% ■ ■ i ' ' 1 ■ i 1 1 ■ ■ i 1 ' 1 1 I 1 H ' r I■111i111 1 1 ‘ 1 1 1 i 1 1 ■ 1 i 1 1 1 1 i ' ' 1 1 i 1 1 1 1 i 1 1 n/z--> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 *II*/IT’*IIIILTTIII11I 5.80 6.00 6.20 6.40 m/z 58.05 17.75% ...... 25,,,^37 , 93 83 — 93 101 I ' । | I I i । | । | I r | i i i I | I 11111 iji 1 I 1 ■ 1 1 i 1 1 ■ 1 i ' 1 1 1 i ‘ ■ 1 i 1 1 1 ' I 1 ' ■ ■ i 1 1 1 1 l ' ' n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 - , , । 1 i r-|-[ l "Pi । i i TTt 580 6.00 6.20 6.40 5000 m/Z 101.10 17.55% 59 — 101

m/z—> 27 ,< , । 37 V’I ii 1 1 1 1 1 1 ' I 1 111117 'i | । 10 20 30 40 +53+ 50 60 67 77 83 91 IIttI*‘**IUI*I**#1I+I*IIIIIIII1II 70 80 90 100 110 120 130 |

Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 1 43 580 6.00 6.20 6.40 m/ z 41.05 7.87%

5000 59

15 101 1 I 1 25.71,3744 53, I | < • 1 " | ■ ' ■ ■ | 83 i | 1 ' l 1 1 " i 1 ’1 ' 1 | 1 ' 1 I | I 1 ■ l-| i I I I | ! > ■> i | r-r i “maorTrii rrpmrr mlz~> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.80 6.00 6.20 6.40

10703 .D SCAN020507.M Wed May 15 08:59:07 2002 Page 4

NYC-WTC_000045785

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