GCMS analysis comments, sample AD29231, Jan 2002

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Library Search Compound Report

Data File : C:\HPCHEM\l\DATA\DEC2701\29231.D Vial: 57 Acq On : 30 Dec 2001 3:05 pm Operator: 209 GALOS Sample : GC/MS SCAN 12/18 A 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 7 3-Isopropoxy-1,1,1,7,7,7-hexam Concentration Rank 3

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

20.27 1.96 ug/1 2630990 Acenaphthene-dl0 20.57

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 3-Isopropoxy-1,1,1,7,7,7-hexamethyl 576 C18H5207S17 071579-69-6 45 2 Trisiloxane, 1,1,1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 40 3 Heptade anoic acid, trimethylsilyl 342 C20H42O2Si 055517-58-3 9 4 Octadec noic acid, 2-[(trimethylsil 386 C22H46O3Si 056196-58-8 9 Abundance Scan 1659 (20.272 min): 29231.D (-) m/z 73.00 100.00% 73 J 5000 147 281 / TT ' 1 1 Tr 327 20.00 20.20 20.40 20.60 —— 45 117 1 355,383 415 191 221 249 —Ir ' ' ' r T TT m/z 147.00 35.17% m/z-> 50 100 150 200 250 300 350 400 450 500 550 'Abundance #60503: 3-isopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tris(trim 73

/ Tipr 5000 1 1 11 147 20.00 20.20 20.40 20.60 m/z 281.00 30.71% 221 281 . ........... I , 327 ... 415 .... 519 561 miz-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #52459: Trisiloxane, 1,1,1.5,5.5-hexamethyl-3.3-bis[(trimet 73 147 i —....... 281 20.00 20.20 20.40 20.60 5000 m/z 326.90 12.19% 369 338 i................... m/z--> Abundance 50

73 100 150 200 250 300 350 400 #48394: Heptadecanoic acid, trimethylsilyl ester 450 500 550 — — ■!4 L ' 1 1 20.00 20.20 20.40 20.60 117 m/z 282.00 8.86% 5000 327 145

47 ■ ■ 'i — 201 300 [ ----- m/z-> 50 100 150 200 250 300 350 400 450 500 550 20.00 20.20 20.40 20.60

29231.D GCMS1126.M Mon Dec 31 13:59:34 2001 Page 7

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