GCMS sample analysis results, AE11903, June 3, 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052202\11903.D Vial: 10 Acq On : 22 May 2002 9:09 pm Operator: Mclean Sample : 5/21 ad Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 19 3,6-Dioxa-2,4,5,7-tetrasila... Concentration Rank 12 R.T. EstConc Area Relative to ISTD R.T. 37.71 0.83 ug/L 472737 Perylene-dl2 34.66 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 3,6-Dioxa-2,4,5,7-tetrasilaoctan... 294 C10H3002Si4 004342-25-0 38 2 3-Isopropoxy-1,1,1,7,7,7 -hexamet... 576 C18H5207Si7 071579-69-638 3 Mercaptoacetic acid, bis (trimeth. . . 236 C8H2002SSi2 006398-62-5 37 4 Trisiloxane, 1,1,1,5,5,5-hexamet. . . 384 C12H3604Si5 003555-47-3 27 Abundance Scan 5895 (37.716 min): 11903.D (-5875) (-) m/z 73.10 '00.00% 73 147 221 —

5000 281 355 191 429 1FT 37.40 37.60 37.80 38.00

niz-> 40 0- 1 1 1 Hpi 0 50 i, 1 +. 0711, 100 150 200 250 300 1 -I I 350 400 450 500 550 m/z 147.10 96.48% Abundance #87890: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7... 147 22!1

5000 73 A A k A 37.40 37.60 37.80 38.00 191 m/z 221.10 88.36% 279 45 249 I miz-> 0- 11* »111 0 50 100 150 *4* 1 ' "I r' f' 1 1 1 200 250 300 350 400 450 500 550 Abundance #26784:3-lsopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tris(tri... 73 37.40 37.60 37.80 38.00 5000 m/z 281.00 46.10% 147 43 221 281 22 A4 c I I i . 415 519 561 0 T—T o*01 14 1 । । f । > iz-> 0 50 100 150 200 250 300 350 400 450 500 550 Abundance #26922: Mercaptoacetic acid, bis(trimethylsilyl)- 73 37.40 37.60 37.80 38.00 147 m/z 355.10 28.49% 5000

221 45 193 13, 0 r >l.—104tr 1 ■1 Ti I । 1 miz-> 0 50 100 150 200 250 300 350 400 450 500 550 37.40 37.60 37.80 38.00

11903.D 052202.M Tue May 28 12:08:01 2002 Page 22

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