GCMS analysis results, sample AE10701, May 2002

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Gas chromatography-mass spectrometry analysis of sample AE10701 conducted May 20, 2002, detecting unknown compounds and 2,4-DDD at 82% recovery.

NYC-WTC_000045748–000045760

Folder label: “GCMS X 5/3/02 A 5/13/02”

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Data File : C:\MSDCHEM\l\DATA\020513\10701.D Vial: 12 Acq On : 13 May 2002 11:24 pm Operator: Nefliu Sample : sample Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: rteint.e

Quant Method : C:\MSDCHEM\1\METHODS\SCAN020507.M (RTE Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1

Peak Number 3 Cyclopentasiloxane, decamet... Concentration Rank 4

R.T. EstConc Area Relative to ISTD R.T. 28.37 0.35 ug/1 35272 Phenanthrene-dl0 31.72 Hit# Of 5 Tentative ID MW MolForm CAS# Qual 1 Cyclopentasiloxane, decamethyl- 370 C10H3005Si5 000541-02-6 12 2 1-Methyl-7-(2-Hydroxypropyl )xant... 296 C12H20N4O3Si 1000099-11-3 9 3 N-(Trifluoroacetyl)-N,O,O' ,O''-t... 553 C22H42F3NO4Si4 1000072-26-7 9 4 2-Butene, 1-(phenylthio)-1-(pent... 294 C15H26SSi2 1000193-32-1 9 Abundance /Scan 4304 (28.368 min): 10701.0 (-4292) (-) -m/z 73.10 100.00% 73

5000 147 221 355 * f.............. A 281 401 28.00 28.20 28.40 28.60 28.80 44 TII—— I m/z 221.10 27.63% m/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #115273: Cyclopentasiloxane, decamethyl- 73

5000 267 355 m 28.00 28.20 28.40 28.60 28.80 1-1 i r

m/Z 147.10 25.14% 45 103 133 165,193 223 1 , ..I, I , 1—ITm 293 323 । ' 'i 1 1 ——T"m9TT 1*‘I*11/I***IIII*IIIII ' Tl/Z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #26543:1-Methyl-7-(2-hydroxypropyl)xanthine, TMS 73 ' i ' 1 1 1 i ' 1 1 ' I ■ ■ ' 1 1 1 28.00 28.20 28.40 28.60 28.80 117 m/z 355.00 24.14% 5000

45 252 281

n/z—> -450s , 1111001411/150166 200223 250 |300 ...................................................................... 1 ' I ' ' ' ' I ' 1 350 400 450 500 550 Abundance #27961: N-(Trifluoroacetyl)-N,O,O',O"-tetrakis(trimethyls... 1 1 1 1 1 1 1 1 1 ■ ■ i ' ■ 1 1 i ■ 73 28.00 28.20 28.40 28.60 28.80 m/Z 281.10 19.01% 5000 355 4 45 I 116 147 193 236 267 538 1 1 1 ’ 1 ‘I" 1 ■ i ' m/z-> 50 100 150 200 250 300 350 400 450 500 550 28.00 28.20 28.40 28.60 28.80

10701 .D SCAN020507.M Wed May 15 08:41:59 2002 Page 5

NYC-WTC_000045756

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