GC/MS results for unknown compounds and surrogates, sample AE10980, May

NYC 9/11 Public Portal Document ulDrary searcr compouri Keport

Data File : C:\MSDCHEM\1\DATA\051402\10980.D Vial: 9 Acq On : 14 May 2002 8:01 pm Operator: Mclean Sample : 5/10 kb 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 3 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. 5.97 18.35 ug/L 14497000 1,4-Dichlorob'enzene-d4 9.93

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4 -methyl- 116 C6H12O2 000123-42-2 7 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 " 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2/50 4 Acetone______ 58 C3H6O 000067-64/1 32 Abundance Scan 492 (5.970 min): 10980.D (-486) (-) m/ z 43.10 100.00% 43

5000 59 101 .... y..... 560 5.80 6.00 6.20 6.40 ................37 1 53 .69 0+ 1'i11'11 1 ' 1 1 1 1 ' 1 'I' I ' ' I ' .'I 83 | 117 125 m/z 59.10 31.00% m/z—> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 5.60 5.80 6.00 6.20 6.40 m/z 58.10 23.27% 15 101

m/z-> O+ — 25 J 37 , 10 20 ■ 114 ■ ■' r' 30 40 50 +53+ 1 I ' ‘

60 70 80 90 100 83 J ■ i ■ ■ ■ ■ i ''■ ■ ■ i ■ ■ ■ ' i 1 1 1 ■ i 1 ■ ' ■ i ' ■ ■ ■ i ■ ■

110 120 130 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43

560 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 11.96%

..... . , 25,3] 37,1 93 83 . 93 101 । 01 11 I 111 1 I■' 1 1 I' ' ' 1 I ' .............'I I ■ ■ ' ■ i ■ ' r ■ i ' 1 ■ ■ i ' 1 ' 1 i 1 ■ ■ ■ i ’ ■ ■ ■ i 1 ■ ■ ' i ' ' miz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 5 60 5.80 6.00 6.20 6.40 m/z 41.10 5.68%

5000 I 59 — 101 0 .........271.37 1 '' r111 n 11 >' । >11111 14 53 67 77 83 91 1 I ' ■ ' 1 i ■ 1 1 ' I ' ' ■ ■ i ' 1 ' ' i 1 ' ' ‘ i 1 ‘ ■ ■ i 1 ■ ■ 1 i ' 1 TTmmTRTTTTT /z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20 6.40

10980.D 050102.M Thu May 16 14:36:23 2002 Page 6

NYC-WTC_000023897