GCMS analysis results sample AE11926, June 2002

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Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052302\11926.D Vial: 6 Acq On : 23 May 2002 2:02 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 6 Methylene Chloride Concentration Rank 5

R.T. EstConc Area Relative to ISTD R.T. 3.86 0.86 ug/L 607739 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2 4 2 Methylene Chloride 84 CH2C12 000075-09-2 2 3 Ethanol, 2,2 -dichloro- 114 C2H4C120 000598-38-9 1 4 Borane, trifluoro- 68 BF3 007637-07-2 1 Abundance Scan 133 (3.861 min): 11926.D (-131) (-) m/z 49.10 '100.00% 49

5000

43 ,58 83 88 3.60 3.80 4.00 4.20 O' 1 i ' 1 1 1 1 1 --------------------------------------- m/z 43.10 21.33% miz->____ 20 30 40 50 60 70 80 90 100 110 120 Abundance #111039: Methylene Chloride 49 AAAuno"auaanMankadt 84 5000 3.60 3.80 4.00 4.20 m/z 44.00 19.91% 28 0 1 1 I ' 1 11 1 1 ',|'1 35 3I!50, BmmT 57 71 77 9.... iz-> 20 30 40 60 70 80 90 100 110 120 Abundance #111041: Methylene Chloride 49 ‘I ‘ ‘E ‘TI 84 3.60 3.80 4.00 4.20 5000 m/z 39.20 14.07%

iz-> 0--11* 20 29 30 41 40 150—— 60 59 65 73 78 ■ i ■ ■ ■ ■ i ■ • ■ ■ i ■ 70 80 44001) 90 ... . 100 110 120 Abundance #1082: Ethanol, 2,2-dichloro- , । It JI , 31 3.60 3.80 4.00 4.20 m/z 50.00 10.88% 5000

26, 0 TTIBH 36 43 49 55 61 70 78 83 88 96 103 114119 -nfe-> 20 30I 40 50 60 70 80 90 100 110 120 3.60 3.80 4.00 4.20

11926.D 052202.M Wed May 29 09:47:51 2002 Page 9

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