GC/MS blank analysis results for nitrosamines, sample AE10895, May 20

NYC 9/11 Public Portal Document -- -2 .

Data File : C:\MSDCHEM\1\DATA\051602\510LB.D Vial: 3 Acq On : 16 May 2002 4:10 pm Operator: Mclean Sample : 5/10 eh Inst Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\l\METHCDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 9 3,6-Dioxa-2,4,5,7-tetrasila... Concentration Rank 4

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

39.72 2.03 ug/L 1117670 Perylene-dl2 • 34.70

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 3,6-Dioxa-2,4,5,7-tetrasilaoctan... 294 C10H30O2S14 004342-25-0 37 2 Trisiloxane, 1,1,1,5,5,5-hexamet... 384 C12H3604Si5 003555-47-3 22 3 2-(2,6,6-Trimethylcyclohex-l-eny... 222 C14H2202 1000185-64-/ 16 4 2,6-Dimethyl-3,4-bis(trimethylsi... 311 C15H29NO2Si2 . 1000079-52/1 16 ■ Abundance Scan 6236 (39.719 min): 510LB.D (-6211) (-) m/z 221.10 100. 00% 73 147 221

281 5000- 355

44 429

1, 1 96 39.40 39.60 39.80 1

A 0- —L - m/z 147.10 91.55% m/z-> 100 50 150 200 250300 350 400 Abundance #87890:3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7... 147 221

5000 73 ,/WA 39.40 1 y, 1 39.60 ' * 1 ' I 39.80 1 1 I I I

191 m/z 73.10 84.51%

m/z-> 0- 45 Ttr 50 100 1, 117

150 U

200 L,

250 249,. 300 279

350 400 _/

Abundance #26961: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trime... 73 147 281 Mr 39.40 39.60 39.80

_A 5000 m/z 281.00 51.22%

369 45 177 207226 249 , m/z-> 0- H 50 95 117 II - 100 150 200 250 310 341 300 350 400 Abundance #66034:2-(2,6,6-Trimethylcyclohex-1-enyl)cyclopropanecarb... 147 39.40 39.60 39.80 m/z 207.00 48.87%

5000 41 107 175 207 npulsooo"""os 79

0 1 1,1. J 20 uL d 2] ’ + hu u 1 , 4 426 Til m/z-> 50 100 150 200 250 300 350 400 39.40 39.60 39.80

510LB.D 050102.M Fri May 17 15:08:54 2002 Page 12

NYC-WTC_000024056