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GCMS analysis results, sample AE09968, May 2002

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Gas chromatography-mass spectrometry analysis report for sample AE09968, detecting unknown compounds and 2,4-DDD surrogate with 78% recovery, dated May 9, 2002.

NYC-WTC_000043938–000043957

Folder label: “GCMS X 4/25/02 A 5/7/02

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Data File C:\MSDCHEM\1\DATA\050602\9968.D Vial : 25 Acq On 7 May 2002 7:14 am Operator: Mclean Sample 4/25 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 10 trans-2-Ethoxy-b-methyl-b-n... Concentration Rank 7

R.T. EstConc Area Relative to ISTD R.T. 34.92 0.27 ug/L 180340 Perylene-dl2 34.71

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 trans-2-Ethoxy-b-methyl-b-nitros... 207 C11H13NO3 134040-21-4 5 2 Benzaldehyde, (phenylmethylene)h... 208 C14H12N2 000588-68-14 3 Benzaldehyde, (phenylmethylene)h... 208 C14H12N2 000588-68-1 4 4 Benzaldehyde, (phenylmethylene)h... 208 C14H12N2 000588-68-1 4 Abundance Scan 5420 (34.925 min): 9968.D (-5418) (-) m/z 40.10/ 100.00% 43

5000 131 207 T T B 1 I I | I I Ir i r“ i | i i" r ' i |

। 1 1 1 ' 1 1 ' । 1 'I 84 1 1 di I I > I I I I | I I I I I I I I 1 I I 1 I 1 ... .........259 , ' 1 ' 1 1 1 1 1 I ' 1 1 1 I ' ' ’ ' 1 1 ' 34.60 34.80 35.00 35.20 m/z 131.50 43.68% m/z-> 20 40 60 80 100 120 200 220 140 160 180 240 260 Abundance #59317: trans-2-Ethoxy-b-methyl-b-nitrostyrene 131

5000 1 ' 1 1 ' 1 ' i ' 1 ' 1 i 1 ' ' ' i 77 105 207 34.60 34.80 35.00 35.20 43 m/z 130.70 24.43%

m/z—> 20 40 I i ' 1 1 1 i ' ■ I I

60 651711 I . 145, L 160 177 I I I 'I 4

80 I I II

100 I I I I I

120 I 114/4/1*11) I I

220 240 260 140 160 180 200 Abundance #122059: Benzaldehyde, (phenylmethylene)hydrazone 131 1 1AAA A zv__________ 7 1 1 I ■ 1 ■ ■ i ■ ‘ ■ ■ i

207 34.60 34.80 35.00 35.20 77 5000 m/z 207.05 22.99%

Wwum 104 180 51 63 89 27 39 FTTTTr -4—44 i 1 ‘ " I 117 1152 165_ i r i । i i I । । ′ ill । ii i < +1d0/1/nn—an m/z~> 20 40 60 &80 100 200 220 120 140 160 180 240 260 Abundance #121981: Benzaldehyde, (phenylmethylene)hydrazone ' ' I ■ 1 1 1 i 1 1 131 34.60 34.80 35.00 35.20 77 m/z 44.10 20.40% 5000 51 104 180 207 whdlvhlvpwa/MlM#hA 63 89 28 3,9 । 1L117L 152 165 —— I ' ■li, ' ' i 1 1 1 1 i 1 11 ■ i " ' l '' ' i,I 192 I । । 'I ■ ■ ■ | ■ I ■ ■ i ■ • ■ ■ । ■ ■ - । ■ i । । । | i ।' । “ । i । । । i I 1 i | i i" r r । m/z--> 20 40 (60 80 100 120 140 160 180 200 220 240 260 34.60 34.80 35.00 35.20

9968.D 050102.M Tue May 07 15:47:03 2002 Page 14

NYC-WTC_000043956

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NYC-WTC_000043956Source: NYC Law Department, mirrored locally

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