GCMS sample analysis results, AE11901, June 4, 2002

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Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052202\11901.D Vial: 8 Acq On : 22. May 2002 7:31 pm Operator: Mclean Sample : 5/21 ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 7 Methylene Chloride Concentration Rank 14

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

4.09 0.73 ug/L 493611 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qua

1 Methylene Chloride 84 CH2C12 000075-09-2 33 2 Methylene Chloride 84 CH2C12 000075-09-/ 53 3 Methylene Chloride 84 CH2C12 000075-09/2 36 4 Ethyl Chloride 64 C2H5C1 000075-00-3 4 Abundance Scan 172 (4.090 min): 11901.D (-170) (-) m/z 49.10 100.00% 49 43 5000 86 58 36 40 I 3.80 4.00 4.20 4.40 O+ pamm ‘“‘I" mpmphT-p-rr m/z 43.10 62.83% m/z-> 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- 3.80 4.00 4.20 4.40 ' m/z 41.10 42.93% 88 2831 3538 43 ,!>2 57 67 71 77 . 0 > > । > > ■ >! i > > > j > ■ > > j ■ i > > j > t > 11 > > ■ >, 11 > 111 >»> i > । ri 11111 rTi1, । r11. ।> । ■ 111 ■ 1111 >। — 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 ■ ■ ■ i ■ ■ ‘ ■ i ■ 1 ■ 1 i ■ ' ■ ■ i ■ ■ • 1 84 3.80 4.00 4.20 4.40 5000 m/z 86.00 40.46%

88 14 18 24 2831 353841 01TTp-rTTp-rttTTTTTTTT^j^^ 52________ 70______ , - | l.. । v. -.-r, .. .. , .,..,. .. , ।. . . . (. 11 n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111041: Methylene Chloride *I*’*I*[*’}*** 49 3.80 4.00 4.20 4.40 m/z 58.10 37.99% 84 5000

46 2629 41 | J>2 59 65 73 77 88 0 113 । ■ ‘" ।1 “ ■ । ।> 1.1h . ■ .f ■. ■ i n 11111 TumTepmamammpmmomprt Ihmp n/z—> 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

11901.D 052202.M Tue May 28 12:05:39 2002 Page 10

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