GCMS data file header for May 24-28, 2002

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Data File : C:\MSDCHEM\1\DATA\052802\524LB.D Vial: 3 Acq On : 28 May 2002 3:56 pm Operator: McLean Sample : 5/24 ad 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 3 Methylene Chloride Concentration Rank 6

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

4.14 0.70 ug/L 463924 1,4-Dichlorob'enzene-d4 9.89

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2/50 2 Methylene Chloride 84 CH2C12 000075-09-2 36 3 Methylene Chloride 84 CH2C12 000075-09-2 36 4 Methylene Chloride 84 CH2C12 000075-09/2 2 Abundance Scan 180 (4.137 min): 524LB.D (-176) (-) m/z 47.05 100.00%

5000 35 47

51 '86 M"hauooZ. 40 44 ■. 1111 n-| i > 111111,111 u p r > 111 4— 3.80 4.00 4.20 4.40 01 !" I'11 11 l r 1′111111171 mH m/z 49.10 96.18% niz-> 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 ■ ■ । ■ ■'' । ■ ■' ■ । ■ ■ ■ ■ । ■ ■ ■ ■ ।1 3.80 4.00 4.20 4.40 i7z 86.00 36.94% 88

niz-> Of nIH14—18 24 2831 353841 || 2________ mTHH 70 , ।, 111! ।. 111111 ip i ■ > (111111 ti t 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 H Abundance #111041: Methylene Chloride 49 84 3.80 4.00 4.20 4.40 5000 m/z 35. 10 31.53%

2629 41 46 | 88 MMM w Ws MW 01TP"emMtt 152 59 65 73 77 TTumutyoomonnprf Hmm miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111039: Methylene Chloride 49 3.80 4.00 4.20 4.40 84 m/z 51.10 26.27% 5000

88 t1m—3538 0 TIn———0——0——00—2831 43 —updnp ,52 57 67 71 77 Tttuuugmnuutuunoonputt ylayanngun 1 ‘ i ' ' ' ' i 1 ■ ■ ■ i ’ 1 ■ ■ i ' ' 1 ' i ' •nfe-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.80 4.00 4.20 4.40

524LB.D 052202.M Thu May 30 10:44:11 2002 Page 6

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