GCMS sample analysis results, AE11799, June 3, 2002

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Data File : C:\MSDCHEM\l\DATA\052202\11799.D Vial: 6 Acq On : 22 May 2002 5:54 pm Operator: Mclean Sample : 5/21 ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e 2** Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 4 Methylene Chloride Concentration Rank 15

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

3.79 0.72 ug/L 573195 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2 256 2 Methylene Chloride 84 CH2C12 000075-09-29 3 Methylene Chloride 84 CH2C12 000075-09-2 7 4 2-Imidazolidinone 86 C3H6N20 000120-93-4 7 Abundance Scan 122 (3.796 min): 11799.D (-119) (-) m/z 49.10 100.00% 49 86

5000 43 3.40 3.60 3.80 4.00 4.20 36,40 , 83 O+ ” । “ i •" ■ । । “ i ■■ ■ ■ i ■ ■ ■ ■ ।111 ■ I '* ”i “ ■ —pmmmmmmpe ■ ■ i “ • • i" ■ m/z 86.00 98.07% miz-> Abundance 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 #12327: Methylene Chloride 49 vMwoy/ Mt W 84 5000 3.40 3.60 3.80 4.00 4.20 m/z — 51.10 62.63% 88 Of 14 18 24 2831 353841 li .52 70 - T TTT 1'"11' Tf 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 84 3.40 3.60 3.80 4.00 4.20 5000 m/z 84.00 60.57%

n/z-> _______________ 2831 3538 43 01 nl’0—1——00m10/n1/—TTtur Hm 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 152 57 T 67 71 77 I “ “ l‘" 11 ‘ “ *1 ‘ ‘ I 88

Abundance #111041: Methylene Chloride 49 3.40 3.60 3.80 4.00 4.20 m/z 43.10 25.00% 84 5000 MWLhWNWWMWWybwyr, 46 152 59 65 73 77 88 2629 41 | 0 —pOTTTTTT# Tmpmpt Hpmp m/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 4.20

11799.D 052202.M Tue May 28 12:02:49 2002 Page 7

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