GCMS method 508 scan data for WTC samples, March 2002

NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\031902\3800.D Vial: 10 Acq On : 19 Mar 2002 7:02 pm Operator: McLean Sample : RE-INJ 2/20 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\l\5973N\5080302.M (RTE Integrator) Title : Quantitation For Method 508gcscan Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 5 2,5-Dimethylhexane-2,5-dihy... Concentration Rank 14 R.T. EstConc Area Relative to ISTD R.T. 15.96 0.82 ug/L 418265 Acenaphthene-dl0 18.13

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2,5-Dimethylhexane -2,5-dihydrope... 178 C8H18O4 003025-88-5 33 2 Silane, trimethyl(methylenecyclo... 126 C7H14Si 097778-10-4 28 3 4-Acetyl-1H-1,2,3-triazole ill C4H5N3O 000000-00-0 25 4 Imidazole-4-carboxamide 111 C4H5N3O 026832-08-6 17 Abundance Scan 1420 (15.956 mln): 3800.D (-) m/z 57.10 100.00% 57

111 5000

I ——um TIMfgv 15.60 15.80 16.00 16.20 146 207 341 415 m/z 73.10 66.59% 0- 1 .1 ■ ‘I 112 ■ ' i • ■ ‘ • i m/z-> 50 100 150 200 250 300 350 400 Abundance 3: 2,5-Dimethylhexane-2,5-dihydroperoxide $$ Hydroper... 43

69 5000 T-f-r-m-p-r TITTTT 111 15.60 15.80 16.0016.20 _ m/z 111.20 50.80%

0- ■ f i 4144 178..................................... m/z-> 50 100 150 200 1 250 300 1 350 1400 Abundance #22670: Silane, trimethyl(methylenecyclopropyl)- 73 111 11WTITTTT 15.60 15.80 16.00 16.20 m/z 69.10 33.09% 5000 45

0- 4444 f“t — --PI m/z-> 50 100 150 200 250 300 350 400 Abundance #12650: 4-Acetyl-1H-1,2,3-triazole TTT-m-r-j-r 1 1 ' I " " 11' 15.60 15.80 16.00 16.20 69 m/z 95.10 29.82%

5000

[. 0 ■ 1 i ‘ BDTOTS86F[TT TIIr ........ t TT-r T——B*tur miz—> 50 100 150 200 250 300 350 400 15.60 15.80 16.00 16.20

3800.D 5080302.M Thu Mar 21 11:42:19 2002 Page 7 NYC-WTC_000037893