GC/MS results for unknown compounds and surrogates, sample AE10981, May

NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\MSDCHEM\1\DATA\051402\10981.D Vial: 10 Acq On : 14 May 2002 8:50 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, 4,4-dimethyl- Concentration Rank 9

R.T. EstConc Area Relative to ISTD R.T.

7.73 0.36 ug/L 339791 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4,4-dimethyl- 114 C7H140 000590-50-1 17 2 4-Penten-2-one, 4-methyl- 98 C6H10O 003744-02-3 12 3 2,4-Pentanedione, 3-diazo- 126 C5H6N2O2 029397-21-5 12 4 Methyl l-methylcyclopropyl ketone 98 C6H10O 001567-75-5 9 Abundance Scan 791 (7.727 min): 10981.D (-785) (-) m/z 43.10 100.00% 43

5000 58 ■ ■ i ■ 1 ■ ■ । ■ i ■ ■ ■ ■ । 87 98 7.40 7,60 7.80 8.00 0 _____ l MV .. .. 1, 133 209 PIBnudmT m/z 58.10 25.79%

k ' I ‘' 11" ‘ I 1 1' " I ' I " " i 11" " I'1" I miz-> :20 30 40 50 60 70 80 90 100110120130140150160170180190 200 210 Abundance: #109615:2-Pentanone, 4,4-dimethyl- 43

wMMAA/N 5000 57 ■ - i ■ •

7.40 7.60 7.80 8.00 m/ Z 87.10 15.78% I29 — 71 86 99 114 0 ' I " "I' TTTTETTTTTTTTTTTTTTTTTTTTTTTTTT i■■ ■ ■ i ""i""i''"i m/z-> 20 30 40 50 60 70 80 90 100110120130140150160 170180190 200 210 Abundance #110033:4-Penten-2-one, 4-methyl- 43

7.40 7.60 7.80 8.00 5000 m/ Z 41.10 11.96% 83 98 0 1——011"""11-T i" " i" " i" " i" " i " i" " i"1' i" " i niz-> 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 Abundance #4996: 2,4-Pentanedione, 3-diazo- 43 7.40 7.60 7.80 8.00 m/z 57.00 11.87%

5000

54 98

m/z-> 0 'i""r HHH 70 83 126 ’r " ■ r " ■ i11111 ■111 ] *1 *11 ■1" [111' i" " i1" ’ i TTT 20 30 40 50 60 70 80 90 100110120130140150 160170180190 200 210 1 7.40 7.60 7.80 8.00 TT

10981.D 050102.M Thu May 16 14:37:14 2002 Page 6

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