GCMS method 508 scan data for WTC samples, March 19-21,

NYC 9/11 Public Portal Document

i Library Search Compound Report

Data File : C:\MSDCHEM\l\DATA\031902\3822.D Vial: 16 Acq On : 19 Mar 2002 11:56 pm Operator: McLean Sample : RE-INJ 2/20 Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\MSDCHEM\1\5973N\5080302.M (RTE Integrator) Title : Quantitation For Method 508gcscan Library : C:\DATABASE\WILEY7N.L

Peak Number 2 Cyclopentasiloxane, decamet... Concentration Rank 1

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

12.05 0.51 ug/L 216652 Naphthalene-d8 13.03

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Cyclopentasiloxane, decamethyl- 370 C10H3005Si5 000541-02-6 90 2 Cyclopentasiloxane, decamethyl- 370 C10H3005Si5 000541-02-6 62 3 Benzoic acid, 2-[ (trimethylsilyl.. . 282 C13H22O3Si2 003789-85-3 37 4 Benzoic acid, 2-[(trimethylsilyl... 282 C13H22O3Si2 003789-85-3 37 Abundance Scan 989 (12.046 mln): 3822.D (-) m/ z 73.10 100.00% 73

5000 267 355 T-r-p-r-n-pT ' ■ i ‘ ' 11.80 12.00 12.20 12.40 45 — 162 ,193,223 , i ——1 IT 1 * ■ ' i 1 1 11* 323 t m/z 267.00 34.03% 0 m/z—> 50 100 150 200 250 300 350 Abundance #313068: Cyclopentasiloxane, decamethyl- 73

355 267 5000 I ’ ‘ * I P T 11.80 12.00 12.20 12.40 m/z 355.10 22.97%

45 323 0- I । I ' I • • *. 207 I ′ r . —1 , ——— m/z-> 50 100 150 200 250 300 350 Abundance #313065: Cyclopentasiloxane, decamethyl- 73 — 1 * • • ■ 1 T 11.80 12.00 12.20 12.40 m/z 268.00 9.48% 5000 267 355 45 0- 26 ], | 96 133 165 123 44223 247, ,293 ,323 , 4 ‘ 1 1 1 1 TT 1 50 100 150 200 250 300 350 Abundance #227689: Benzoic acid, 2-[(trimethylsilyl)oxy]-, trimethyl... 70 117/621/1/1/111 ’I 11.80 12.00 12.20 12.40 m/z74.10 8.53%

267 5000

45

miz—> 0 1 18% * ’150 4'1 92. 100 1144 2233 ........ . . ’ 150 ' ' '260’ ’ '250' 13001 350 ’ 1111111 ' • i1 1 ■ 11 ■ ‘ 11.80 12.00 12.20 12.40

3822.D 5080302.M Thu Mar 21 11:50:10 2002 Page 4 NYC-WTC_000037984