GCMS analysis results for sample AE08756, May 2002

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- Data File C:\MSDCHEM\l\DATA\050202\8756.D Vial : 15 Acq On 2 May 2002 11:05 pm Operator: Mclean Sample 4/29 re-ext 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 4 Ethene, 2-chloro-1,1-difluoro- Concentration Rank 5

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

4.28 0.28 ug/L 201821 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Ethene, 2-chloro-l,1-difluoro- 98 C2HC1F2 000359-10-4 5 2 1-Propyne, 1-(ethenylthio)- 98 C5H6S 058547-36-7/ 4 3 3H-Pyrazol-3-one, 2,4-dihydro-5-... 98 C4H6N2O 000108-26-9 4 4 3-Methyl-3-pyrazolin-5-one 98 C4H6N20 1000223-45-0 4 Abundance Scan 205 (4.284 min): 8756.D (-197) (-) m/ z 98.10 7100.00% 93 40

5000 49 l i-1 । i i-1 i । ill । । । । t t 1 m i- 85 4.00 4.20 4.40 4.60

m/z-> i 1 1 1 1 i 1 1 ■ 1 I 1 1 10 20 30 -L 40 60 70 50 80 58 ■ i i ' ' ' 1 । . Jill l . , . — 90 100 m/z •WAWwy 40.10 82.21%

Abundance #42808: Ethene, 2-chloro-1,1-difluoro- 98

5000 I I I I [ I I I I [ I ! I I-] I I-—1 1 ] t ! I I-

4.00 4.20 4.40 4.60 31 48 63 m/z 100.10 66.00% 79 20 25 1 1 1 1 1 1 1 I ' 1 ' 1 1 1 , 37 43 I 1, , ' 1 । 1 11 ill [ I69 ' ' ' I1I ’ .''I', Mo Ft I I 75 i' "tT m/z-> 10 20 30 40 50 60 70 80 90 100 Abundance #42758: 1-Propyne, l-(ethenylthio)- 93 45 71 i । । I | I-! I 1 | ill i । > ‘ l [ I i i r

4.00 4.20 4.40 4.60 58 m/ z 49.10 41.89%

"MMlMur*y_Mankd 5000 27 39 53 .1 . 32 ii 65,1 ..83.93 li , +4+++l - T T | I I t 1 | i ill | I l I I | —H 11 1 1 1.......... I 1 1 1 1 | ' I m/z-> 10 20 30 40 70 80 50 90 60 100 Abundance #42455: 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl- I > I I I < "I I I I I I t n I I l I I I I I 93 4.00 4.20 4.40 4.60 m/z 43.10 27.47%

5000 41 MAWpMwWAuttpop. 29 56 67 I n/z-> +15243 51-175-81 10 20 30 40 50 60 70 80 90 100 "TT 1 i 1 1 1 1 i 1 ‘ 1 1 1 1 1 1 1 i ' 1 4.00 4.20 4.40 4.60

8756.D 050102.M Mon May 06 14:02:58 2002 Page 7

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