GCMS blank analysis for volatile organics, May 2002

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Library Search Compound Report Data File C:\HPCHEM\1\DATA\MAY0 8 02\LBA.D Vial: 13 Acq On 8 May 2002 10:18 pm Operator: Sample GC/MS SCAN 5/7 Inst : 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0507.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 8.16 15.57 ug/1 1079450 1,4-Dichlorobenzene-d4 12.19 Hit# of 5 Tentative ID MW MolForm CAS# Qual ------- +- 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 78 2 CH2=CMCH2C(0)OCH3 100 C5H802 003724-55-8 9 3 Acetic acid, 1,1-dimethylethyl este 116 C6H1202 000540-88-5 9 4 Acetone 58 C3H60 000067-64-1 7 Abundance Scan 340 (8.156 min): LBA.D (-) m/z 43.05 100.00% 43

5000 59

11110 1am । । । । । । । 101 780 8.00 8.20 8.40 8.60 53 , 38 I -1H++ 69 83 . | | । | > । | r i —' “i ।“ । 1 r । । । । । । । "r i i —। r m/z 59.10 43.17% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000- 59 7.80 8.00 8.20 8.40 8.80 m/z 58.10 16.71% 27 101 I +49— J I 83 1 I ' 1 ■ 1 i ■ 1 ' 1 i ''1 ' ' I - m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1448: CH2=CHCH2C(O)OCH3 43 7.80 8.00 8.20 8.40 8.60 5000 m/z 101.15 13.87%

58 38,4 I ■ i ■ ■ ■■I I । । 1 । । I ' 72 ■ i ■ ■ 1 ■ । — 100 ' '-i 1 mfe-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #3292: Acetic acid, 1,1-dimethylethyl ester ' 1 I ' 1 1 ■ 1 1 1 r 1 I 1 1 I ' 1 1 1 1 ■ 43 7.80 8.00 8.20 8.40 8.60 m/z 41.05 6.88% 5000 57

101 15 27 i ■1 ■ i • ■ 1 ' i ' 1 1 ■ i ' 1 1 r1 1 1 ■ i 1 1 1 1 i 11 1 1 r1 11,1 i1 1 TT '' < 1 * i” ’ ) 1 । । । । । T [i i । i“ । ■ r m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.80 8.00 8.20 8.40 8.60

LBA.D GCMS0507.M Fri May 10 08:23:14 2002 Page 1

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