GCMS analysis report sample AE09682, May 23, 2002

NYC 9/11 Public Portal Document Library search compound Report Data File : C:\MSDCHEM\1\DATA\0521029682.D Vial: 18 Acq On : 22 May 2002 3:11 am Operator: Mclean Sample : re-extract 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 1 Methylene Chloride Concentration Rank 3

R.T. EstConc Area Relative to ISTD R.T.

3.72 1.10 ug/L 778673 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Q 1 Methylene Chloride 84 CH2C12 000075-09-2/91 2 Methylene Chloride 84 CH2C12 000075-09-2 91 3 Methylene Chloride 84 CH2C12 000075-09-2/90 4 Methylene Chloride 84 CH2C12 000075-09-2)86 Abundance Scan 109 (3.720 min): 9682.D (-95) (-) m/z 49.10 100.00% 49 84 5000

3538 43 । 88 3.40 3.60 3.80 4.00 58 ol | | | > | n | 1 I I 1 | I ■ l-q-1 | ! | > 1 I > I i i i i (1 11 I | 11 ! 1 I i I | , > i I Tumam—um—n—anomnmpt t H m/z -/ 84.00 62.81% Tlfe-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111039: Methylene Chloride 49 84 5000 ■ ■ ■ i ■ ■ ■ ' i ■ 1 ■ ■ i ■ • • 1 i 1 '■ 1 1 I 3.40 3.60 3.80 4.00 m/z 86.00 51.32% 2831 3538 43 |i ,52 57 67 71 77 . 88 / 0/ T । i »i . । i . rl । »i »» j l I 1 1 11 I i ! j 11 I I ] 11 I j p4F Tumunmmmut H 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 T 3.40 3.60 3.80 4.00 5000 m/z 51.10 29.40%

miz-> 0 5 J. 14 18 | 24 H 11 2831 353841 11,82 70 88 ..J.... 11 I .. I 11 I ■ | 11 I I | I I 11 ) 11 1 | | 1 I | 11 | ■ 11 | > | 1 I | I I I | | | ! 1 1 I H I I ] I tT 1 I > | > 1 I 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 wt/*oo Abundance #111040: Methylene Chloride 49 3.40 3.60 3.80 4.00 84 m/z 47.10 19.82% 5000

35 88 w/“yw4 14 o- 14 2528 32 ,3841 1 _______ _ J miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.40 3.60 3.80 4.00

9682.D 052202.M Wed May 22 11:46:39 2002 Page 3

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