GCMS comments for sample AD2653S detecting 1,1,2,2-Tetrachloroethane

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Library Search Compound Report

Data File C:\HPCHEM\1\DATA\DEC0 701\26535.D Vial: 10 Acq On 8 Dec 2001 2:19 am 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 4 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 2

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

7.86 9.15 ng/uL 2734890 1,4-Dichlorobenzene-d4 11.88

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4 - hydroxy -4-methyl- 116 C6H12O2 000123-42-2 53 2 2-Pentanone, 4 -Hydroxy-4-methyl- 116 C6H12O2 000123-42-2 43 3 2-Pentanone, 4-hydroxy-4 -me thyl- 116 C6H12O2 000123-42-2 23 4 CH2=CHCH2C/C ) OCH3 100 C5H8O2 003724-55-8 10 Abundance ‘ Scan 329 (7.856 min): 26535.D (-) m/ z 4 3.10 100.00% 43

5000 59

101 1 'T ‘ ' 1 ' i ' 1 1 ' 7.60 7.80 8.00 8.20 , , — —...... .. 64 71 83 53 .91 — tr 11++ InB"UT m/ z 59.10 47.87% m/z—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 4

5000 59 7.60 7.80 8.00 8.20 m/ z 58.10 16.76% 27 101 49 - ------------------- TI I • I • • ' ' I 83 i ■ ' ' ' i -- 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 5000 59 m/z 101.05 16.26%

31 101 73 83 TI1"/11C"—CF-ACrT"I0rTI i ■ ' ' ■ i ' ' m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64275: 2-Pentanone, 4-hydroxy-4-methyl- 4 7.60 7.80 8.00 8.20 m/ z 41.10 6.57% 5000 59

15 31 101 I 83 m/z—> i ■ ' ■ ■ I 10 20 30 1 .TT — 40 + TIT 50 rt 60 I 1 1 1 '"i 70 ■ ■ ' ■ i ■ 80 ' ' ■ i 90 - 100 110 TTrm 7.60 7.80 8.00 । 1m 8.20

26535.D NP112701.M Thu Dec 13 11:25:03 2001 Page 4

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