GCMS results for sample AE09021, April 30, 2002

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Data File : C:\HPCHEM\1\DATA\APR2502\9021.D Vial: 19 Acq On : 26 Apr 2002 6:04 am Operator: Sample : re-inject Inst : 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0412.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 2 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 8.18 6.01 ug/1 672822 1,4-Dichlorobenzene-d4 12.21 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 50 2 Acetic acid, 1,1-dimethylethyl este 116 C6H1202. 000540-88-5 33 3 2-Propanol, 2-methyl- 74 C4H10O 000075-65-0 17 4 CH2=CHCH2C(O)OCH3 ________________ 100 C5H802 003724-55-8 10 Abundance Scan 342 (8.181 min): 9021 .D (-) m/z 43.05 100.00% 43

5000 59

101 7.80 8.00 8.20 8.408.60 miz-> • ■ i ' 10 ..................... ^,l| 20 30 40 +—53+ 50 60 69 70 80 83 90 mm m/z 100 110 59.05 50.66% Abundance #64275:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 7.80 8.00 8.20 8.40 8.60 m/z 101.05 20.56% 15 31 . 101 mz-> ■ ‘ i ‘ 10 I I ■ i • ■ ' ■ i ' ■ 20 30 TT 1I Tr31 40 50 60 ---8 70 80 90 100 110 Abundance #3292: Acetic acid, 1,1-dimethylethyl ester 43 1 i ■ ■ • ■ i ■ ■ • ■ i ■ ■ 7.80 8.00 8.20 8.40 8.60 5000 57 m/z 58.05 16.62% 101 15 27 । + PTI 1 ■ 1 T' ■ • ■ । ' • ■ ■ । ■ ■ • ■ । 1 1 i ■ ■ • ■ I ■ 1 • ■ i 1 ' 1 ' 1 ‘ | 1 1 I 1 miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62572:2-Propanol, 2-methyl- 59 7.80 8.00 8.20 8.40 8.60 m/z 41.05 8.20% 5000 31 41

————————————26 —————————I1......... Il, 1*——————)OTTT n/z—> 10 20 30 40 50 ।60 70 80 90 100 110 7.80 8.00 8.20 8.40 8.60

9021.D GCMS0412.M Fri Apr 26 11:08:23 2002 Page 2

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