GCMS sample analysis summary, March 2002

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. Data File C:\MSDCHEM\l\DATA\022802\03016.D vial: 9 Acq On 1 Mar 2002 6:56 pm Operator: McLean Sample 2/12/02 GC SCAN Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method C:\MSDCHEM\l\5973N\5080202.M (RTE Integrator) Title Quantitation For Method 508gcscan Library C:\DATABASE\WILEY7N. L ********************************************************************* Peak Number 1 2,2-Dimethoxybutane Concentration Rank 2

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

3.87 0.34 ug/L 103229 1,4-Dichlorobenzene-d4 9.58

Hit# of 5 Tentative ID MW MolForm CAS# Qual ------------- ------- 1 2,2-Dimetho^ybutane 118 C6H14O2 003453-99-4 78 2 2,2 -dimetho'xybutane 118 C6H14O2 003453-99-4 64 3 Thiazolidine (CAS) $$ Tetrahydro... 89 C3H7NS 000504-78-9 42 4 N-Hydroxymethylacetamide $$ Acet... 89 C3H7NO2 ______ 000625-51-4 9 /Abundance Scan 87 (3.865 min): 03016.D (- m/z 87.10 100.00% 87 55

[ililil; 45 71 103 3.60 3.80 4.00 4.20 Ol-.-........................... II I ll I I I m/z 89.10 78.01% m/z-> Abundance 20 30 40

43 50 60 70 #17888: 2,2-Dimethoxybutane

55 8*7 80 90 100 110 1 29 5000 ^_Ji60^J0_4;P0_4J0_ m/z 55.10 76.11% 103 0 I |49 I, ih 65 V , ,i93, , ^1^ , ' ’ ' I* ’ ' 'I ' ' ' ' I ' Tl/z-> 20 30 40 50 60 70 80 90 100 110 Abundance #17889: 2,2-dimethoxybutane 43 8*7 55

29 _3;60_3J0_£00_Jk20_ 5000 m/z 45.10 25.50%

71 103

m/z-> 0 20 30 h , 149 . iI ,1; 63 50 60 70 80 110 , ,193 ’ I* ' 90 100 i

Abundance #5047: Thiazolidine (CAS) $S Tetrahydrothiazole $S 1-Thia-... 89 _X60_3;80_4;00_4,20_ m/z 103.10 12.31%

5000 45 59

fn/z-> 0 20 30 40 50 60 70 76 ' I ’ ' ' ' I ‘ 70 80 ' 90 100 105 110 JI 3.60 3.80 4.00 4.20

>3016.D 032802.M Tue Apr 02 07:01:42 2002 Page 3

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