GCMS analysis report, sample AE07520, April 2002

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Laboratory results for volatile organic compounds in a GCMS blank sample analyzed on April 2-3, 2002.

NYC-WTC_000047159–000047176

Folder label: “GCMS X 4/2/02 A 4/3/02”

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Data File C:\MSDCHEM\l\DATA\020403\0402LB.D Vial: 10 Acq On 3 Apr 2002 5:21 pm Operator: Nefliu Sample 04/02 lab blk Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\1\METHODS\SCAN020403.M (Chemstation Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1 ******************************************************************* * * Peak Number 10 trans-2,3-Methylenedioxy-b-... Concentration Rank 9 R.T. EstConc Area Relative to ISTD R.T. 43.84 0.22 ug/1 158917 Perylene-dl2 42.30 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 trans-2,3-Methylenedioxy-b-methy... 207 C10H9NO4 086029-47-2 5 2 trans-2,3-Methylenedioxy-b-methy... 207 C10H9NO4 086029-47-2 5 3 Adenosine, 2-methyl- 281 C11H15N5O4 016526-56-0 3 4 Pyrido[2,3-d]pyrimidin-4 (1H)-one 147 C7H5N3O 024410-19-3 2 Abundance Scan 6937 (43.838 min): 0402LB.D (-6925) (-) m/z 73.10 100.00% 73 147 207 221 5000 40 281 ‘ I’’ ■rl I 1 1 1 1 1 1 ' 43.60 43.80 44.00 44.20 or m/z 147.10 66.30% m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #126466: trans-2,3-Methylenedioxy-b-methyl-b-nitrostyrene 77 103 147 207

51 5000 91 ■ 1 1 1 '

39 43 60 43.80 44.00 44.20 63 119131 m/z 221.10 55.49%

n/z-> 0b ‘ * I ' ' 1 1 I 1 1 20 40 60 JU TH—r .16° 179... | 80 100 120 140 160 180 200 220 240 260 280 ft Abundance #84750: trans-2,3-Methylenedioxy-b-methyl-b-nitrostyrene 77 103 147 207

43.60 43.80 44.00 44.20 51 m/z 207.00 50.18% 5000 39 63 91 119131 161 M 0b II — L 179........ |....................................... 1 ' i ' ■ ■ ■ i ■ ■ n/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #1079: Adenosine, 2-methyl- lb it 7 v I' "k"’ 1 I ' 31 43.60 43.80 44.00 44.20 m/z 281.00 37.48% 5000 45 59 74 149 k 163 178 10 Oh —4 „ , 86 108-120133 | 17-206 239251264 281 TTTT 1 I II-v ' r I ■ I ■ I 'I' Ti l “I" I 'I I I ‘l I I I I Ppnon n/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 43.60 43.80 44.00 44.20

0402LB.D SCAN020403.M Thu Apr 04 10:14:26 2002 Page 12

NYC-WTC_000047173

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