GCMS analysis results for sample AE12161, June 2002

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Laboratory report documenting GCMS analysis of sample AE12161 conducted on June 5, 2002.

NYC-WTC_000013624–000013642

Folder label: “GCMS X 5/22/02 A 5/23/02”

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NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052302\12161.D Vial: 14 Acq On : 23 May 2002 8:33 pm Operator: Mclean Sample : 5/22ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library . : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 7 Methylene Chloride Concentration Rank 8 R.T. EstConc Area Relative to ISTD R.T.

4.73 0.60 ug/L 336827 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2 10 2 Methylene Chloride 84 CH2C12 000075-09-2/9 3 Methylene Chloride 84 CH2C12 000075-09-/ 9 4 Krypton 84 Kr 007439-90/9 7 Abundance Scan 281 (4,730 min): 12161 ,D (-277) (-) m/z 35.10 100.00% 35 84 49 Mm MWl• Ne 5000 88 • * । * ‘ • * । i * ‘ * । । * * * । i * 1 * । 41 । 58 4.40 4.60 4.80 5.00 0+ TTTTT Th < i “'11 ■ “ TH m/z 84.00 87.02% miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12327: Methylene Chloride 49

84 5000 ' ■ i ■ ■ ■ ‘ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i 4.40 4.60 4.80 5.00 m/z 49.10 68.96% 14 18 24 2831 353841 || 152_________ 70______ . 88 0 .. ।. ।. 11 . 1 M I 11111J I i i I it 1 11 1111 11 11111 1111! I |riirji।ii[!iii(।iii।iin।iiii।iiI t - miz-> 5 10 15 20253035404550556065 70 75 80859095 Abundance #111041: Methylene Chloride 49 ■ ■ ।1 ■ ■' i1 ■ ■ ■ । ‘ । • ■ ■ ■ । 84 4.40 4.60 4.80 5.00 5000 m/z 88.00 29.63%

46 2629 41! 152 59 65 73 77 88 0+ .. ।... > j.. rr| i > i. [ > u 11 ill 111 ii 11:111111111 I1' i" " I'" iz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111039: Methylene Chloride ■ ■ i 1 1 ■ ■ i 1 ' ■ ‘ i 11 ' i । i । । । । ■ 49 4.40 4.60 4.80 5.00 m/z 86.00 23.61% 84 5000i

n/z—> 2831 3538 43 0: . . f > > . I | . . 1 1 J I l > 1 J ! ! > 1 J ! 1 1 1 J ! 1 1 * | 1 I l . | I 1 I . | > 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 12 57 67 71 77 TtnmmgmmgH H • < । 4.40 ■ i * • ■ • i * • > >) • ■ > ■ । 4.60 4.80 5.00

12161.D 052202.M Wed May 29 09:54:43 2002 Page 9

NYC-WTC_000013637

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NYC-WTC_000013637Source: NYC Law Department, mirrored locally

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