GCMS analysis results for sample AE10811, May 2002

NYC 9/11 Public Portal Document

.Data File C:\MSDCHEM\1\DATA\051402\10811.D Vial: 21 Acq On 15 May 2002 6:39 am Operator: Mclean Sample 5/7 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 7 Cyclotetrasiloxane, octamet.. Concentration Rank 5

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

9.25 0.81 ug/L 761362 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual '

1 Cyclotetrasiloxane, octamethyl- 296 C8H2404Si4 000556-67-2 91 2 Cyclotetrasiloxane, octamethyl- 296 C8H24O4Si4 000556-67-2 78 3 Cyclotetrasiloxane, octamethyl- 296 C8H24O4Si4 000556-67-2 64 4 7H-Dibenzo[b,g]carbazole, 7-methyl- 281 C21H15N 003557-49-1 59 Abundance Scan 1051 (9.254 min): 10811.D (-1041) (-) m/z 281.00 100.00% 261

5000

73 133 ,193207 249 265 . ........ s....... , 1 1 ' 1 I ' ' ' ' 1 1 'n 1 I ' ' 1 1 I 1 1 1 9.00 9.20 9.40 9.60 O-T 45 59 88 103118, ।...... 177 IL 4.235-1 . I . . TIPTTTTT । 'i i j“ r i ■ । f i' i i ■ i । FCT’ । । । । i । r । i r |“i “i li । i r । । | । । । । । । । । । । ii । । p "' I" m/z 282.00 31.11% m/z-> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 Abundance #128142: Cyclotetrasiloxane, octamethyl- 281

5000 9.00 9.20 9.40 9.60 m/z 283.00 19.60% 25 51 73 87 103 1191334 47 163177 123207221 235249 265 299 0 I | II | I | rII I | I IT’p r r i ‘I I | I | T | I i ’| r i II |“i i' I । । T । । । । । t li | । T < i | I i । i | ' I I i | li > T | "'Oy, m/z-> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 Abundance #97367: Cyclotetrasiloxane, octamethyl- 281 .............................. 1 1 I 1 ' 1 ' I ' f 1 1 1 1 ' 1 ' 1 1 1 9.00 9.20 9.40 9.60 5000 m/z 193.00 10.34%

15 29 45 59 73 96 119133147 163177191 227221 235249 265 295 01 ■ l • ■ ■; ■ ■ ' ■ | | TIT ■ 1 i 1 ‘ "I I 11 11 I"1"1 1 '"11 111 I"" ' ' I ' ' ' ■' I 1 1 ' ' 1 1'1 I 1 ' 1 I' 1 ■ ' ' | ' m/z--> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 Abundance #128141: Cyclotetrasiloxane, octamethyl- ------------- 201 9.00 9.20 9.40 9.60 m/z 265.00 9.76%

5000

265 — 73 133 0-T 45 59 | 1 i ' 1 1 ' i ' 1 1 ' 1 1 i 177 193207 235 TOPImmouti l„ I' ''' ( 4P—— -9.00 F- ........ m/z-> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 9.20 9.40 9.60

10811 .D 050102.M Thu May 16 14:13:13 2002 Page 11

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