GC/MS results for unknown compounds and surrogates, sample AE10981, May

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Data File : C:\MSDCHEM\l\DATA\051402\10981.D Vial: 10 Acq On : 14 May 2002 8:50 pm Operator: Mclean Sample : 5/10 kb 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 12 1,1,1,5,7,7,7-Heptamethyl-3... Concentration Rank 2

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

39.34 1.69 ug/L 1368580 Perylene-d12 34.71

Hit# of 5 Tentative ID MW MolForm CAS# Qual I l,l,l,5,7,7,7-Heptamethyl-3,3-bi. . . 444 c1314005s16 038147-00-1 38 2 3,6-Dioxa-2,4,5,7-tetrasilaoctan. . . 294 C10H3002Si4 004342-25-0 38 3 Mercaptoacetic acid, bis (trimeth. . . 236 C8H20023Si2 0063 98 -62-5 37 4 Trisiloxane, 1,1,1,5,5,5-hexamet. . . 384 C12H3604Si5 003555-47-3 22 Abundance 73 Scan 6171 (39.338 min): 10981 .D (-6152) (-) 147 221 m/z 73.05 100.00%

5000 281 355 429

m/z-> 0— 0 40 -I 50 ,96 100 150 ,1 1 ,1 ,1 1 193, 200 250 1 1 ' r 300 350 ih, L 325,h +41L 400 39.00 39.20 39.40 39.60 m/z 147.10 _ / 89.14%

Abundance #26950:1,1,1 t5,7,7,7-Heptamethyl-3,3-bis(trimethylsiloxy)... 73 147 5000 267 Pfi 355 429 39.00 39.20 39.40 39.60 45 207 m/z 221.10 85.87% ,1. O—T T" ■ i ' ■ ‘ ■ I 1 1 m/z-> 0 50 100 150 200 250 - 300 350 400 Abundance #87890:3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7.7... 147 22!1 TIT 73 39.00 39.20 39.40 39.60 5000 m/z 281.00 48.58% 191 117 279 O—T 45 TT ■ । h' 1 ■ 1 ' 1 L 1, 249, . | । m/z-> 0 50 100 150 200 250 300 350 400 Abundance #26922: Mercaptoacetic acid, bis(trimethylsilyl)- 73 39.00 39.20 39.40 39.60 147 m/z 207.00 44.24%

5000

45 221 As oH-0 13,144 1.104 , 169,193 1, ; m/z-> 50 100 150 200 250 300 350 400 39.00 39.20 39.40 39.60

10981.D 050102.M Thu May 16 14:37:25 2002 Page 15

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