GCMS comments for sample AD26533 detecting 1,1,2,2-Tetrachloroethane

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Library Search Compound Report

Data File C:\HPCHEM\l\DATA\DEC0701\26533.D Vial: 7 Acq On 7 Dec 2001 11:35 pm Operator: GALOS Sample gc/ms unknown 11/6 Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method C:\HPCHEM\1\METHODS\NP112701.M (RTE Integrator) Title 208 625/TCLP calibration table Library C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 3 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1

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

7.86 8.26 ng/uL 1981230 1,4-Dichlorobenzene-d4 11.88

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 53 2 2-Pentanone, 4-hydroxy- 4 -methyl - 116 C6H1202 000123-42-2 43 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 43 4 Acetic acid. 1,1-dimethylethyl este 116 C6H1202 000540-88-5 28 Abundance Scan 329 (7.857 min): 26533.D (-) m/ z 43.00 100.00% 43

5000 59

101 — 7,60 7.80 8.00 8.20 -........................... 69 53 , 83 .......+ 1 — ————— m/z 59.10 47.20% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64275: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 7.60 7.80 8.00 8.20 m/ Z 5 8.10 18.09% 15 31 101 | __ i 83 | ■ ■ i ■ • ■ ■ i IT I ' ' ' ' I mz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 43 n-f. . ——————— t-t-> 1 ■ T-r-> 7.60 7.80___8. ) 8.20 5000 m/z 101.05 17.24% 59

27 . 101 49 83 । ’’i 1 1 1 TT m/z-> 10 20 30 40 50 60 70 80 90 100 110 'Abundance #3245: 2-Pentanone, 4-hydroxy-4-methyl- 43 7.60 7.80 8.00 8.20 m/ z 41. 7.00% 5000 59

31 101 _____________ । । < i > • ■ > । ■ i ..1 73 83 ' I ' ' ' ' 1 1 • ' 1 I ' ' ' ' I 1 ' ■ ■ I ' ' i — rut 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.60 7.80 8.00 8.20

26533.D NP112701.M Thu Dec 13 11:23:44 2001 Page 3

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