GCMS comments for sample AD26532 detecting 1,1,2,2-Tetrachloroethane

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Library Search Compound Report

Data File C:\HPCHEM\1\DATA\DEC0 701\26532.D Vial: 8 Acq On 8 Dec 2001 12:29 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 3 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1

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

7.85 7.59 ng/uL 2379120 1,4-Dichlorobenzene-d4 11.88

Hit# of 5 Tentati ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 2 2-Pentanone, 4-hydroxy- 4 -methyl - 116 C6H1202 000123-42-2 43 3 2-Pentanone. 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 40 4 Acetic acid. 1,1-dimethylethyl este 116 C6H1202 _____ 000540-88-5 28 Abundance 7 Scan 328 (7.852 min): 26532.D (-) m/z 43.00 100.00%| 43

5000 59

101 ' • i ■ • ' • i • ' ‘ ' I • ‘ • i ' ' 83 - 7.60 7.80 8.00 8.20 ................................... 3,?, 11 , 53. , I ‘ ' • 69 ■ ■ i • ■ • ■ I ' ' ■ ■ i ■ ' ' 1 I1 1 1 1 1 '' 1 1 1 ' ‘ ‘ ‘ I ‘ I ‘ m/z 45.77% miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64274:2-Pentanone, 4-hydroxy-4-methyl- 43

m/z-> 5000

Abundance 27 -......... I 10 20 30 40 +48+ 50 1 60 59

1 I ■ • • • 1 1 1 1 • l 70 #3245: 2-Pentanone, 4-hydroxy-4-methyl- 80 83 90 । 101 । I i'i i > i i । 100 110 m/z 1 ' । ■1 7.60 7.80 U 8.00 8.20 17.35

43 ■' • • i ■ • • • i • ■ ■ n • • ■ • i • ■ • 7.60 7.80 8.00 8.20 5000 59 m/z 101.05 15.95%

__________ 31 L_____ |_______ ! 73 83 83 101 | miz-> Abundance TT T TI TII I T T Td8,T T I I ‘ 1 * * f T 1 T[ 10 20 30 40 50 60 1 1 ‘ 70 #64275: 2-Pentanone, 4-hydroxy-4-methyl- 4 ‘ I ‘ ‘ ‘ ‘ i 1 1 • • I ‘ ‘ 1 ‘ I ‘ 80 90 100 110

7.60 7.80 L.... 8.00 8.20

_1 m/z 41.10 6.72% 5000 59 15 31 I , I 1 1 ' • । • » • • । • i H 1ru—t 00m0/n/n—n/1B—u/n—nnB3/n/00/B/B—B/a/ 33 101 m/z—> 10 20 30 40 50 60 70 80 90 100 110 7.60 7.80 8.00 8.20

26532.D NP112701.M Thu Dec 13 11:23:14 2001 Page 3

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