GCMS analysis results for sample AE11305, May 2002

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Laboratory report documenting GCMS analysis of sample AE11305 conducted on May 28, 2002, including surrogate recovery data.

NYC-WTC_000024613–000024622

Folder label: “GCMS X 5/13/02 A 5/16/02”

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NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\020516\11305.D Vial: 16 Acq On : 17 May 2002 12:10 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 22.18 ug/1 1193850 1,4-Dichlorobenzene-d4 11.37 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 72 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 47 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H12O2 000540-88-5 25 Abundance Scan 524 (6.158 min): 11305.D (-512) (-) m/z 43.10 100.00% 4)3

59 5000

101 1111 । । । । । । 69 77 83 , | 580 6.00 6.20 6.40 6.60

m/z-> .. 10 jof 20 30 40 . 48 53,,. 50 ।60 *l 1 1 1 1 1 ‘' I ■ ■ ■ ■ I 1 1 1 1 i ■ ■ ' ■ i ' 1 1 ' r1 ' 1 1 1 1 70 80 90 100 110 m/z 59.10 51.14% Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 4)3

5000 Tu T’IIII i Ti r | i—i i ! । , 59 5.80 6.00 6.20 6.40 6.60 m/z 58.10 19.95% 15 31 101 ..238 +53+ 83 | ! ■ ■ ■ ' | 1 ' 1 1 | 1,1 1 1 | 1 1 1 • । 1 1 ' 1 । 1 Tl/Z-> 10 20 30 40 50 60 70 . 80 90 100 110 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 d*01n—/n—n—muT 580 6.00 6.20 6.40 6.60 5000 59 m/z 101.10 17.46%

R3 — 93 101 miz-> 10 20 26,31 30 . 38,1 40 tii i 50 II’8***I’’IIII 83 | 60 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 4)3 580 6.00 6.20 6.40 6.60 m/z 41.10 7.17%

5000 59 101 m/z—> ...... 10 11127,32 20 30 38,140 +48,53 50 60 67 72 77 83 91 96, | 70 80 l I' ■ 1 । i । ■ 1 1 । । i > ■ । । । > ■ 1 । 1 > i j i । 90 100 110 Tf—mTRTT 5,80 6.00 6.20 6.40 6.60

11305.D SCAN020507.M Fri May 17 13:12:50 2002 Page 3

NYC-WTC_000024619

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