GCMS analysis results for unknown compounds, June 2002

NYC 9/11 Public Portal Document Llprary Searcn compound Report

Data File C:\MSDCHEM\l\DATA\060702\12737.D Vial: 13 Acq On 7 Jun 2002 6:21 pm Operator: Sample Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 11 tert-Butyl Hydroperoxide Concentration Rank 12 R.T. EstConc Area Relative to ISTD R.T. 5.95 0.64 ug/L 353498 1,4-dichlorobenzene-d4 9.89

Hit# of 5 Tentative ID MW MolForm CAS# Qua

1 tert-Butyl Hydroperoxide 90 C4H10O2 000075-91-2 8 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2/ 9 3 Acetic acid, 1,1-dimethylethyl e... 116 C6H12O2 000540-88-5 9 4 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42/2 9 Abundance Scan 489 (5.952 min): 12737.D (-484) (-) m/z 43.1.0 100.00% 43

5000 58 1 ‘ I ‘ ‘ ' I ‘ ' I ' ' ' ‘ I ' 49 83 88 101 5.60 5.80 6.00 6.20 - , , I......... 0- ■ I . ! -f-r ■ i • ■ ■ i ■ 1 ■ 1 i ■ ■ ' ■ i — ——— m/z 58.10 28.08% niz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #5471: tert-Butyl Hydroperoxide

V_ 43 57

5000 29 —444 * ' ' i ■ ■ ■ ■ i ‘ 1 560 5.80 6.00 6.20 15 m/z 59.10 21.72% 75

miz-> 0- .......... 10 20 30 +3 +5P 40 50 60 | 90 I • ■ ■ ■ i 1 ■ ' ‘ i ■ ■ ' 'I' ’III I I 70 , 80 90 100 110 Abundance #5851: 2-Pentanone, 4-hydroxy-4-methyl- 43 ' ' i ■ ■ ■ ■ i ■ ■ ■ ' i ■ • ■ ■ i ■ 5.60 5.80 6.00 6.20 50001 m/z 101.10 9.54% 59 101 O-Peg"pi ■ l ' ,27,32. 38,11 +48,534 67 72‘ 1 77 I ■ ' ■ • i 83 91 96. | ‘ ' i ■ ' ■ ■ i ■ ' ' 1 1 1 ' 1 1 i 1

niz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109592: Acetic acid, 1,1-dimethylethyl ester 43 560 5.80 6.00 6.20 ‘ ‘ 1 ‘ m/z 49.10 7.48% 5000 57 29 101 0 ■ ■ i • ■ 11112 1 50 , 78 | miz-> 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20

12737.D 060302 .M Mon Jun 10 11:24:12 2002 Page 14

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