GCMS analysis report sample AE09517, May 23, 2002

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Data File : C:\MSDCHEM\l\DATA\052102\9517.D vial: 13 Acq On : 21 May 2002 11:07 pm 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 2 Methylene Chloride Concentration Rank 3

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

3.71 2.91 ug/L 2006450 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qu.

1 Methylene Chloride 84 CH2C12 000075-09-2/96 2 Methylene Chloride 84 CH2C12 000075-09-2 91 3 Methylene Chloride 84 CH2C12 000075-09-2 91 4 Methylene Chloride 84 CH2C12 000075-09-2 83 Abundance Scan 108 (3.714 min): 9517.D (-92) (-) m/z 49.10 100.00% 49 84

5000

■ ■ ■ i ‘ ■ i ■ ' ■ 1 i 1 ■ • ■ i ■ • • ■ ।

miz-> 01mmTTTTTHH 352841 |, + t ' I ■ i “111111 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 88 m/z 3.40 3.60 84.00 3.80 4.00 76.73% Abundance #12327: Methylene Chloride 49 84 5000 ‘ * 4 I ‘ ‘ ‘ 1 ‘ 161i * * * t f ’ ‘ * t 3.40 3.60 3.80 4.00

88 14 18 24 2831 353841 70 0. TIWTTTHTTTTTTITTTTTNTTT 12 I “ “ I ’' * * I 1 T TT t — m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 .65 70 75 80 85 90 95 Abundance #111041: Methylene Chloride 49 ‘ ' I ■ ‘ ‘ • I ' ' ' M ‘ ' 1 I ‘ ‘ ‘ I 84 3.40 3.60 3.80 - 4.00 5000 m/z 51.10 27.65%

46 M/s 2629 41 | ,152 59 65 73 77 88 0+TLTMTTTTTTTTTTH umaam—mdnmmnpmoprt I '11111111'1' miz-> 5 10 15 2025303540 45 50556065 70 75 80859095 Abundance #111039: Methylene Chloride ■ • 1 ' I ■ ' ‘ ' I ■ ■ ' ■ I ' ' 1 ‘ I ‘ ‘ ' i 49 3.40 3.60 3.80 4.00 m/z 47.10 14.39%

5000 84

88 A/"Wan 2831 3538 43 0 1' l “1' i1"1111'1111" I “ " 1'11' 11"11"1' 11 52 57 ]Fi■ rjtn■ 11.■.। 67 71 77 ।j n > j11>»।>i Hmm n/z-> 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

9517.D 052202.M Wed May 22 11:29:17 2002 Page 5

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