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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NYC 9/11 Public Portal Document Library Search Compound Report 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 1 2-Propanone, 1,1,1-trichloro Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 6.12 0.54 ug/1 39896 1,4-Dichlorobenzene-d4 11.38 Hit# of 5 Tentative ID MW MolForm CAS# Qual

′ 1 2-Propanone, 1,1,1-trichloro- 160 C3H3C130 000918-00-3 40 2 Propanoic acid, 2,3-dichloro-, 1... 184 C6H10C12O2 054774-99-1 23 3 N-Acetylpyrrolidone 127 C6H9NO2 000932-17-2 9 4 Heptafluorobutyric acid, n-penta... 424 C19H31F7O2 1000216-79-3 9 Abundance 7 Scan 518 (6.123 min): 10701.D (-512) (-) -m/ z 43.05 100.00% / 43

5000

‘ ' i ' 1 1 ■ i ' ’ ■ 1 i 84 125 5.80 6.00 6.20 6.40 | ... .................208...................... 413 I | i > i i i i i | 1 > i | i i i i [ t i i । i i i < | i i > i | i i i I । i i i i | i I r i । i i । । i i I | । I । i | i i । | I I I [ I I I I | I I I | I I I I | I I I r| I I I I | I '' i j i r > । i i I I m/z 125.00 13.63% m/z-> 0 20 40 60 80 100120140160180 200 220240 260 280300 320340 360 380400 Abundance #3877: 2-Propanone, 1,1,1 -trichloro- 43

5000 mm 5.80 6.00 6.20 6.40 m/z 84.00 7.73% 15 __ 63 83 125 H++ +mmmmmmmmmTTTTT /z—> 0 20 40 60 80 100120140160180200220240260280300320340360380400 Abundance #8486: Propanoic acid, 2,3-dichloro-, 1-methylethyl ester 43 1 1 ’ i ■ ' 1 ■ I ' 1 ' 1 I ' 1 1 1 1 1 1 1 ' I 5.80 6.00 6.20 6.40 5000 m/z 96.90 7.72% 125 97

n/z—> 1514162444 I. , 11. 11. 145 169 Il Tii ।II ii |Ti । i । i i i । ।

0 20 40 60 80 100120140160180200220240260280300320340360380400 TTTTTr^rHTTTTTpTTTpn-FTpTTTp^

Abundance #7671: N-Acetylpyrrolidone ............ Ah............. ' ‘I I I I I I I I I I I 43 5.80 6.00 6.20 6.40 m/z 82.90 6.31% 5000 99 127

44 4mtmmmmmmmmmmmmmm 69 Hr ' . . ! „ <1 . /wo M . | m/z-> 0 20 40 60 80 100120140160180200220240260280300320340360380400 5.80 6.00 6.20 6.40

10701.D SCAN020507 .M Wed May 15 08:41:58 2002 Page 3

NYC-WTC_000045754

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NYC-WTC_000045754Source: NYC Law Department, mirrored locally

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