GC/MS blank analysis results, Jan 25 2002

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Data File C:\HPCHEM\1\DATA\DEC3101\LBE.D Vial: 40 Acq On 2 Jan 2002 2:43 am Operator: 209 GALOS Sample gems scan 12/19a Inst : GC/MS 209 Mise Multiplr:'1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 8 3-Isopropoxy-l,1,1,7,7,7-hexam Concentration Rank: 8

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

26.89 0.33 ug/1 141727 Phenanthrene-dl0 24.98

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 3-Isopropoxy-1,1,1,7,7,7 -hexamethyl 576 C18H52O7Si7 071579-69-6 28 2 Mercaptoacetic acid, bis(trimethyls 236 C8H20O2SSi2 006398-62-5 23 3 2-Pentenoic acid, 2-[(trimethylsily 260 CllH24O3Si2 055045-17-5 23 4 3-Isopropoxy ,1,1,5,5,5-hexamethyl 354 C12H3404Si4 072182-11-7 14 Abundance Scan 2380 (26.891 mln): LBE.D (-) m/z 73.0,0 100.00% 73

5000 147 ----- 221 281 45 327,355 429 26.60 26.80 27.00 27.20

m/z-> 117 1914..... rr’ 1 r ■ '■ l Pin i ■ ■................................. 50 100 TTT*UTHTTIIT 150 200 250 300 350 400 450 500 550 m/z 147.00 32.65% Abundance #60503:3-Isopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tris(trim 73

5000 147 26.60 26.80 27.00 27.20 m/z 281.00 16.23% 221 281 327 415 i 519 561 ‘•/4/*/1/**1****I****II* ‘*I**SI****1*I ‘‘4*I । "h । 1 i ' 1 miz-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #30949; Mercaptoacetic acid, bis(trimethylsilyl)- 73 147 T T T T^ 26.60 26.80 27.00 27.20 5000 m/z 221.05 13.96% 221 45 104 t 193 ■11 1 miz-> 50 100 150 200 250 ‘ 300 350 400 450 500 550 Abundance #71697:2-Pentenoic acid, 2-[(trimethylsilyl)oxy]-, trimeth ..... . 73 147 26.60 26.80 27.00 27.20 m/z 74.00 8.84% 5000 45

— 113 I III .21, 245 .... ......... T T T m/z-> 50 100 150 200 250 300 350 400 450 500 550 * 26.60 26.80 27.00 27.20

LBE.D GCMS1126.M Fri Jan 25 12:07:54 2002 Page 8

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