GCMS analysis results for sample AE02577, March 2002

NYC 9/11 Public Portal Document Library search compound Keport

Data File : C:\HPCHEM\l\DATA\MAR1902\2577.D Vial: 26 Acq On : 21 Mar 2002 5:39 am Operator: Sample : gc/ms scan 3/4 Inst : GC/MS 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS0308.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L

Peak Number 4 3-Isopropoxy-l,1,1,7,7,7-hexam Concentration Rank 4

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

20.86 0.40 ug/1 72299 Acenaphthene-dl0 21.21

Hit# of 5 Tentative ID MW MolForm CAS# Qual ____ 1______ 1 3-Isopropoxy-1,1,1, 7,7,7-hexamethyl 576 C18H5207Si7 071579-69-6 43 2 Trisiloxane, 1,1/1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 17 3 3-Isopropoxy-1,1, 1,5,5,5-hexamethyl 354 C12H3404Si4 072182-11-7 9 4 4-Amino-5-imidazole carboxamide, tr 342 C13H30N4OSi3 000000-00-0 9 Abundance Scan 1723 (20.863 min): 2577.D (-) m/ z 73.00 100.00% 73

5000 147 281 ) 327 ' ' i ■ ■ ■ 1 i ' ‘ 1 ■ i ' -A 45 I 1 * 1 I * ' 191 221 249 -383414—....... — 20.60 20.80 21.00 21.20 m/ z 2 81.10 48.92% m/z-2 50 100 150 200 250 300 350 400 450 500 550 Abundance #60503: 3-lsopropoxy-i,i,i.7,7,7-hexamethyl-3,5,5-tris(trim 73

5000 -...... + 147 20.60 20.80 21.00 21.20 221 m/z 147.00 43.96% 281 327 415.... 519 561 m/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance * ; 73 147

281 ..... -A 20.60 20.80 21.00 21.20 5000 m/ z 32 6.90 22.38%

207 240 : 369 _ 442— , 338 —................. ............ 50 100 150 200 250 300 350 400 450 500 550 Abundance #49645: 3-Isopropoxy-1,1,1,5,5,5-hexamethyi-3-(trimethyisil II 111 73 20.60 20.80 21.00 21.20 281 m/z 282.00 15.13% 5000 207 339

m/z-> .750 100 150 200 250 300 350 400 450 500 550 .................................................... 20.60 20.80 21.00 21.20

2577.D GCMS0308.M Thu Mar 21 14:26:46 2002 Page 4

NYC-WTC_000038858