GCMS analysis results, sample AE09771, May 2002

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Laboratory report for sample AE09771 showing surrogate recovery and unknown compounds from May 9, 2002.

NYC-WTC_000043893–000043918

Folder label: “GCMS X 4/25/02 A 5/7/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File C:\MSDCHEM\1\DATA\050602\9771.D Vial: 24 Acq On 7 May 2002 6:25 am Operator: Mclean Sample 4/25 Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 11 2-Pentanone, 4-hydroxy-4-me.. Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 5.97 12.35 ug/L 7355580 1,4-Dichlorobenzene-d4 9.94 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 90 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-272 3 2-Pentanone, 4 -hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 4 Acetone 58 C3H60 000067-64-1 32 Abundance Scan 491 (5.964 min): 9771 .D (-483) (-) m/z 43.10 100.00% 43

5000 59

101 ....... 1....... 5 60 5.80 6.00 6.20 6.40 l 1 ' ‘ ' i ' ' ' 1 i 1 384 —53+ 69 83 I i t i । | nn m IIIII i i l । J i i — r | m/z 59.10 34.77% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyI- 43

5000 59 0 5 60 5.80 6.00 6.20 6.40 | m/z 58.05 22.28% 15 31 101

m/z-> -2638,4 10 20 30 40 ..................... 83 ...... .......... 50 60 70 80 90 ' I 1 ' 1 1 1 1 1 1 1 I 1 1 1 1 I 1 ' 1 1 1 1 1 ‘ 1 1 1 ' 1 1 1 1 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 1 ‘ i ' ‘ ‘ 1 I ' 1 1 1 i ' ' 1 ' 1 1 1 1 1 1 1 5 60 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 13.06%

92 93 101 — /z—> ...... 10 .20 . 2931 30 .38,140 i । । । । ।11 50 60 70 Id‘/III/1I‘‘‘1I*i‘III1 80 83 90 I 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 5 60 5.80 6.00 6.20 6.40 m/z 41.20 5.98% 5000 59 101 ............ 1 1 1 ' ‘ 27,32 38,1 148,53 । I 1 1 671 1 ।72* 1 771 ■ । 831 1 *' 91। 1 ।96,1 । । I 1 ' 1 । । • ' I ' 1 1 I I 1 I I I I I T1——BR——mT—E=RTRT-RTTr /z-> 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20 6.40

9771.D 050102.M Tue May 07 15:44:22 2002 Page 14

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