GCMS analysis results, sample AE09154, May 2002

NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\MSDCHEM\1\DATA\050902\9154.D Vial: 19 Acq On : 10 May 2002 6:47 am Operator: Mclean Sample : 5/8 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 Mercaptoacetic acid, bis(tr... Concentration Rank 11 R.T. EstConc Area Relative to ISTD R.T. 32.04 0.31 ug/L 267898 Chrysene-dl2 30.80 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Mercaptoacetic acid, bis (trimeth... 236 C8H20O2SSi2 006398-62-5 38 2 Heptasiloxane, 1,1,3,3,5,5,7,7,9... 504 C14H4406Si7 019095-23-9/38 3 1,1,1,5,7,7,7-Heptamethyl-3,3-bi... 444 C13H40O5Si6 038147-00-1 36 4 Octasiloxane, 1,1,3,3,5,5,7,7,9,... 578 C16H50O7Si8 019095-24-0 25 Abundance Scan 4928 (32.034 min): 9154.D (-4917) (-) m/ z 73.10 100.00% 73 147

5000 221 281 355 429 31.80 32.00 32.20 32.40 40 191 O-T J........... 1 i I m/z 147.10 68.74% 1 ' I ' ' ■ ' i 1 ' 1 ' i 1 ' 1 1 i ■ ‘ ‘ 1 1 ■ ’ ■ i 1 ' DIT nz-> 0 50 100 150 200 250 300 350 400 450 Abundance #26922: Mercaptoacetic acid, bis(trimethylsilyl)- 73 147

5000 ■ ■ i ■ ' 1 ' i ■ ■ 1 ■ i ' ■ 31.80 32.00 32.20 32.40 221 m/z 221.10 45.47% 45 193 miz—> 0 13 . .1 1,,■!' 0- I' >• । T 50 1194. 150[ 179 200 100 L. 250 300 350 400 450 Abundance #27374: Heptasiloxane, 1,1,3,3,5,5,7,7,9,9,11,11,13,13-tet... 73

31.80 32.00 32.20 32.40 5000 207 m/z 281.00 32.46%|

133 281 355

nz-> 0- f 103, I [ 200 177, i , , 2531 1 , 250 300 327 I, 383 —| 1" 429 i 1 ■ 489 ■ ■ i

Abundance 0 50 100 150 350 400 #26950:1,1,1,5,7,7,7-Heptamethyl-3,3-bis(trimethylsiloxy)... 450 ... | ..1A4Alh 1 31.80 32.00 32.20 32.40 73 m/z 206.95 29.80% 147 5000

45 207 267 355 429 pukosolwo. miz-> 0 i ■ ■ ' • i 1 1 1 1 1 1 ' 0 50 100 ,,111/1.1/110110004 150 200 250 300 350 -P 400 450 7II 31.80 32.00 32.20 32.40

9154.D 050102.M Mon May 13 11:28:54 2002 Page 12

NYC-WTC_000022835