GCMS blank analysis results for May 2002

NYC 9/11 Public Portal Document LlprarY pearcn compound KepOrC

Data File C:\MSDCHEM\1\DATA\050902\0508LB.D Vial: 4 Acq On 9 May 2002 5:43 pm Operator: Mclean Sample 5/8 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 4 Cyclotrisiloxane, hexamethyl- Concentration Rank 16 R.T. EstConc Area Relative to ISTD R.T.

5.42 0.21 ug/L 169383 1,4-Dichlorobenzene-d4 9.94

Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 Cyclotrisiloxane, hexamethyl- 222 C6H1803Si3 000541-05-9 72 2 Cyclotrisiloxane, hexamethyl - 222 C6H1803Si3 000541-05-9 64 3 Cyclotrisiloxane, hexamethyl - 222 C6H1803Si3 000541-05-9 64 4 2-Methyl-7-phenylindole 207 C15H13N 001140-08-5 59 Abundance Scan 398 (5.418 min): 0508LB.D (-391) (-) m/z 207.10 100.00% 2017

5000

96 191 5.00 5.20 5.40 5.60 5.80 42 133 II 0- i ■ ■ ■ ■ i ■ ■ 1 1 I' 1 ■ ■ i 1 ....................................... m/z 96.00 19.43% it TTT m/z-> 0 20 40 60 80 100 120 140 160 180 200 Abundance #126481: Cyclotrisiloxane, hexamethyl- 207

5000 ....... Illi......... 5.00 5.20 5.40 5.60 5.80 m/ z 2 08.00 18.81% 01 . ........ % 119 133,147 . 163 177,111 , , "T m/z-> 0 20 40 60 80 100 120 140 160 180 200 Abundance #126480: Cyclotrisiloxane, hexamethyl- 207

5.00 5.20 5.40 5.60 5.80 5000 m/z 209.00 16.45% A 96 133 191

n/z-> 28 45 61 75 86 0- 111**1** T’T-f l 1 0 20 40 60 80 fl 11" I1 106 119 123 147 163 177 0 1 1 ' ' i | ■ । । ' । i i । । । " i । Tl Tu । r ‘ 100 120 140 160 180 200 I Abundance #84874: Cyclotrisiloxane, hexamethyl- 207 5.00 5.20 5.40 5.60 5.80 m/z 191.10 13.67% 5000

96 133 191 4 16 29 45 61 75 85. | 119 । 147 163 177 L 0 11B-L—TTTTTTTTTTTTTIIPT "II mfe-> 0 20 40 60 80 100 120 140 160 180 200 5.00 5.20 5.40 5.60 5.80

0508LB.D 050102.M Tue May 14 10:14:48 2002 Page 7

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