NYC 9/11 Public Portal Document
Library Search Compound Report
Data File : C:\HPCHEM\1\DATA\02MAROl\03924D.D Vial: 26
Acq On : 2 Mar 2002 6:59 am Operator:
Sample : nyc dup Inst : 210
Mise : March 1, 2002 Multiplr: 1.00
MS Integration Params: LSCINT.P
Quant Method : C:\HPCHEM\1\METHODS\HP021102.M (RTE Integrator)
Title : VOCs BY EPA METHOD 524
Library : C:\DATABASE\NBS75K.L
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Peak Number 5 Cyclotetrasiloxane, octamethyl Concentration Rank 5
R.T. EstConc Area Relative to ISTD R.T.
24.86 0.03 ug/L 12315 CHLOROBENZENE-D5 23.35
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Cyclotetrasiloxane, octamethyl- 296 C8H24O4Si4 000556-67-2 9
2 4H-l-Benzopyran-4-one, 5,7-dimethox 282 C17H1404 021392-57-4 5
3 5-(2-Oxo-6-phenyl-l,2-dihydropyrimi 282 C14H10N4O3 000000-00-0 5
4 9-Benzoylanthracene 282 C21H140 001564-53-0 5
Abundance Scan 1892 (24.864 min): 03924D.D (-) m/z 281.10 100.00%
281
5000 91
44
133
73 106 122 193 207
m/z-> 40 60 80
II]
100 120 140 160 180 200 220
I.. ...
260
I, 240 280
24.60 24.80 25.00 25.20
m/z 282.05 51.47%
Abundance #41966: Cyclotetrasiloxane, octamethyl-
281
5000
,24.60 24.80 25.00 25.20
m/Z 91.05 43.28%
207
■ i ■ • ' ■ i ■
73 113 163 177 191 I ‘ T ‘ 1 I 235 249 265 |
m/z-> 40 60 80 100 120 140 160 180 200 220 240 260 280
Abundance #39788:4H-1-Benzopyran-4-one, 5,7-dimethoxy-2-phenyl-
282 N
"I L
. 24,60 24.80 25.00 25.20
m/Z 44.05 38.79%
5000 236 253
76 122 149 209
224
265 hAwMMyM
■ i ■ ■ ■ ' i ■ 1 I ' ' ' ' i ‘ ' 1 1 I ' ' 1 ‘ I ' ’ • । । i j i rr i । I8
m/z-> 40 60 80 100 120 140 160 180 200 220 240 260 280
Abundance #39717:5-(2-Oxo6-phenyt-1,2-dlhyciropyrimidlnyl-4)uracil
282 , 24.60 24.80 25.00 25.20
m/z 283.15 33.85%
211
5000
73
104 238
184
rI-ETIT tt+p-
156 196 .II | 254
il 266
' I ‘ ‘ I ‘ ‘ 1 ‘ I ' ■ ‘ ‘ I — T
Tl/Z-> 40 60 80 100 120 140 160 180 200 220 240 260 280 24.60 24.80 25.00 25.20
03924D.D HP021102.M Mon Mar 04 13:51:19 2002 Page 5
NYC-WTC_000020642
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