GCMS blank analysis results, DEP Box 25, May 1 2002

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Library Search Compound Report

Data File C:\HPCHEM\1\DATA\MAY0102\LB.D Vial: 7 Acq On 1 May 2002 1:33 pm Operator: Sample gc/ms scan 4/18 Inst : 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0501.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.

8.18 13.85 ug/1 889027 1,4-Dichlorobenzene-d4 12.20

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2 -Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 78 2 3-Hydroxy-2-pentanone 102 C5H10O2 003142-66-3 9 3 N,N‘-Bis (2-methyl-2-nitrosopentan-4 258 C12H22N2O4 094514-30-4 9 4 Acetone 58 C3H60 000067-64-1 7 Abundance Scan 343 (8.181 min): LB.D(-) m/ z 43.05 100.00% 43

5000 59 0 —— । । > । T । । । । । । 101 7.80 8.00 8.20 8.40 8.60

mfe-> 37, । 1 1 I ' 1 " I " " I ' 1 1 1 i 1 10 20 30 40 +53+ 60 70 80 90 50 69 I ■'1 '7' ■' ■ । 83 ‘ ■ i'' THI——BBTTT 100 110 120 130 m/z 59.10 44.03% Abundance #64274:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 7.80 8.00 8.20 8.40 8.60 m/ z 58.10 15.89% 27 101

mfa-> ----- 10 20 30 40 +49 70 80 90 100 110 120 130 50 60 1 i 83 । ■ ■ 1 ■ i ''■ ■ ■ i ■ ■ ■ 1 i 1 ■ ■ ' i ■ ■ ■ ■ i ' ■ ■ ■ i ' 1

Abundance #1691:3-Hydroxy-2-pentanone 31 59

780 8.00 8.20 8.40 8.60 5000 m/z 101.15 13.10% 45 15 ,66 73 84 102 !' ■1 ' i 1 ■ ■ ■ i ■ ■ ' ■ i 1 ■ '' i 1 ■ ■ ■ i ■ ‘ ‘ ‘ i '' ■ ■ i ■ ■ ‘1iB ' ■ i1 ' mfe-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #35454: N,N'-Bis(2-methyl-2-nitrosopentan-4-one) 43 7.80 8.00 8.20 8.40 8.60 m/z 41.15 7.00% 5000

99 5 27 ■ ■ ।111 ■ । ■111 ■' ■11 56 72 83 | 130 miz—> 10 20 30 40 50 60 70 80 90 100 110 120 130 7.80 8.00 8.20 8.40 8.60

LB.D GCMS0501.M Thu May 02 12:04:56 2002 Page 1

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