GCMS analytical comments for sample AD30986, Jan 2002

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Data File C:\HPCHEM\1\DATA\JAN1802\30986A.D Vial: 3 Acq On 18 Jan 2002 5:36 pm Operator: 209 GALOS Sample Inst : GC/MS 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0103.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 2 Silane, tetramethyl- Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T.

7.42 3.42 ug/1 1301100 1,4-Dichlorobenzene-d4 11.49

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Silane, tetramethyl - 88 C4H12Si 000075-76-3 9, 2 Pentane, 3-methoxy- 102 C6H140 036839-67-5 9 3 Butane,2-methoxy-2-methyl- 102 C6H140 000994-05-8 9 4 1 - Butanami ne, 3 - me thy 1 - 87 C5H13N 000107-85-7 7 Abundance ...... Scan 258 (7.415 min): 30986A.D (-) m/z 73.00 100.00% i / 73

5000 43 1***I* 87 7.00 7.20 7.40 7.60 7.80 50 5,5, ,61 67, 1 38 1, —I—— 103 —10001901- I - ■ I ■ rl i ■ ■ ■ ■ । । ■ 1 m/ z 43.0,5 31.52% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #845: Silane, tetramethyl- . 73

5000 7.00 7.20 7.40 7.60 7.80 45 m/z 45.05 11.92% 15 31 | 55 । 88 1HITTTITIPIIPI ■ ' i ■ ' ■ ' i ■ ' ■ ' i ■ 1

m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1793: Pentane, 3-methoxy- 73 1*14441** Aand. 1 i 1 1 7.00 7.20 7.40 7.60 7.80 5000- m/ z 41.05 11.36%

ak. 45

27 33 39 • ‘ i ' ' ' ■ i ' • ' • i ■ 1 ‘ ' i 1 55 I**1*1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1761: Butane, 2-methoxy-2-methyl- 73 7.00 7.20 7.40 7.60 7.80 m/z 71.00 6.69% 5000 55 87 45 27 33 I 1 ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ' ■ ■ ■ i ■ ■ ‘ ‘’i '■■■)■ 1 ■ ' i ■ ■ ' 1 I ' 1 1 ' i ' ‘ ' ■ i ■ 1 i rr i T’tT’ । । IIIPr ITTI m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.00 7.20 7.40 7.60 7.80

30986A.D GCMS1126.M Tue Jan 22 10:17:28 2002 Page 2

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