NYC 9/11 Public Portal Document
■Data File C:\MSDCHEM\1\DATA\051402\10814.D Vial: 24
Acq On 15 May 2002 9:06 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 2 Cyclotetrasiloxane, octamet.. Concentration Rank 4
R.T. EstConc Area Relative to ISTD R.T.
9.25 0.21 ug/L 197626 1,4-Dichlorobenzene-d4 9.94
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Cyclotetrasiloxane, octamethyl- 296 C8H24O4Si4 000556-67-2 78
2 Cyclotetrasiloxane, octamethyl- 296 C8H2404Si4 000556-67-278
3 Cyclotetrasiloxane, octamethyl- 296 C8H24O4Si4 000556-67-2 72
4 7H-Dibenzo[b,g]carbazole, 7-methyl- 281 C21H15N 003557-49-1 45
Abundance Scan 1051 (9.254 min): 10814.D (-1043) (-) m/z 281.10 '100.00%
201
5000
... ..............
49 73 193207
0 TTUOuom- 1’1’ f I ! 11 I I ' I I I ■ I I I I I I I I I I _"Ur:
119133 249 265
|
ll, I I d*1 I I I I I I I I I II I “ PI I I I I I I I I I I I m/z 282.00
9.00 9.20 9.40
24.82%
9.60
m/z-> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300
Abundance #128142: Cyclotetrasiloxane, octamethyl-
281
5000
............... 1 .................
1 I 1 , I 1 I I [ I I I > I I I "I I I III-
9.00 9.20 9.40 9.60
m/z 283.00 17.28%
25 51 73 87 103 119133147 1 63177 193207221 235249 265 , 299
O-T 1 I ■' ' 1 I 1 ■ 1 1 I 1 T PI"t 1“1“ I t | । i t 1 | । i l"l | I "I' I i | T i r i । । । li । IT > । । i । 17 | । Il r । ii । । I
/z-> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300
Abundance #128141: Cyclotetrasiloxane, octamethyl-
2(H
9.00 9.20 9.40 9.60
5000 m/z 133.00 9.56%
265
73 133
o1 ' I ■' I 11 I ■ i
45 59
■■ ■ ■ ■
I
i ■
।
■ ■1 i ■ ■11 r 1 11 i ■ ■ 11 i
177 193207 235 i11'11 1
m/z-> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300
Abundance #97367: Cyclotetrasiloxane, octamethyl-
2(11 9.00 9.20 9.40 9.60
m/z 193.00 9.56%
5000
120 207
15 29 45 59 73 96 119 | 147 163177191 | 221235249 265
O-T ■ । • i । ■ ■' । ■
, .. I ll______________ ______ 1 . II
' ' | ' ' ' ' | ' ' ' ' | ' 1 ' ' | ......! . I | I I . . I
.III . III III
+295— ■ ■ । ■ ■ ■ ■ । ■ ■ ■ ■ । । ' i । । । ।
m/z-> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 9.00 9.20 9.40 9.60
10814.D 050102.M Thu May 16 14:16:38 2002 Page 5
NYC-WTC_000046090
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