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

NYC 9/11 Public Portal Document **‘L

Data File : C:\MSDCHEM\l\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\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 6 3,6-Dioxa-2,4,5,7-tetrasila... Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T. 33.08 2.20 ug/L 1209580 Perylene-d12 ' 34.70 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 3,6-Dioxa-2,4,5,7-tetrasilaoctan... 294 C10H3002Si4 004342-25-0 32 2 Mercaptoacetic acid, bis(trimeth... 236 C8H20O2SSi2 006398-62-5 25 3 Pentasiloxane, dodecamethyl- 384 C12H3604Si5 000141-63-9/22 003555-47-3 22

A 4 Trisiloxane, 1,1,1,5,5,5-hexamet... 384 C12H3604Si5 Abundance Scan 5107 (33.086 min): 510LB.D (-5078) (-) m/z 73.10 10/6.00% 73 147 221

5000 281 355 429

O—T 40 IIIi 96 , —l '1 1, ,1 ,I .1 I11 32.80 33.00 33.20 33.40 m/z 221.05 97.23% m/z-> 0 50 100 150 200 250 300 350 400 Abundance #87890:3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7... 147 2211

73 5000 ‘ I’’ 32.80 33.00 33.20 33.40 191 m/z 147.05 94.55% 117

A 279 45 ,, L 249 J ....... 0—T 1111 m/z-> 0 50 100 150 200 250 300 350 400 Abundance #26922: Mercaptoacetic acid, bis(trimethylsilyl)- 73 147 32.80 33.00 33.20 33.40 5000 m/z 281.00 38.43%

m/z-> Abundance 0 0- I 13 ■ 45 104 —44 — [ — 50

73 100 _ 193 . I 169, I , , 150 200 221

250 L

281 ,

300 #115143: Pentasiloxane, dodecamethyl- 147 350 400 A j.,,/...... 32.80 33.00 33.20 33.40 m/z 207.00 38.13%

wuaudkJhhMwmul 5000 369

207

/z-> 0— 0 45 r— ' , 93 117 150i 177,200[ 50 *t 1 ' 1 ; 100 249 250 300 -L 350 400 32.80 33.00 33.20 33.40

510LB.D 050102.M Fri May 17 15:08:54 2002 Page 9

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