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Table 1: Analytical Results -Volatile Organic Compounds Stockton Avenue Area Wells (2003 - 2009) Former Nestle USA, Inc. Facility, Ripon, CA Well Name/Location Sample Chloroform cis 1,2- trans 1,2- Trichloroethene Vinyl Chloride Comments/Others Date Dichloroethene Dichloroethene M-9A 04/24/08 <1 59 <0.5 74.6 <0.5 Carbon Tetrachloride: 1.8 M-9A 04/10/09 <1 41 <0.5 <0.5 M-96 05/05/03 <0.5 7.2 - <0.5 Carbon Tetrachloride : 0.5 M-9B 04/15/04 0.6 9.6 <0.5 M-96 04/27/05 <0.50 6.3 <0.50 <0.50 Carbon Tetrachloride: 0.66 M-9B 04/27/05 <0.50 5.5 <0.50 <0.50 Carbon Tetrachloride: 0.60 M-913 04/19/06 <1 16 <0.5 8.6 <0.5 M-96 04/25/07 1.3 8.1 <0.5 4.5 <0.5 Carbon Tetrachloride: 2.0 M-913 04/24/08 <1 1.3 <0.5 1.4 <0.5 Carbon Tetrachloride: 0.70 M-913 04/10/09 <1 0.82 <0.5 <0.5 <0.5 Intermediate Aquifer E-6 10/27/03 <0.5 210 1.2 70.0 65 E-6 05/05/05 <1.0 110 <0.50 40 43 1,1-Dichloroethene: 1.7 E-6 02/16/06 <1 81 0.87 32 41 111-Dichloroethene: 0.99 E-6 04/18/06 <2 80 <1 30 35 E-6 07/19/06 <2 79 <1 30 21 E-6 10/10/06 <1 86 0.88 32 36 1,1-Dichloroethene: 0.88 E-6 02/22/07 <1 75 0.92 34 27 1,1-Dichloroethene: 0.92; E-6 04/25/07 <1 62 0.78 28 23 1,1-Dichloroethene: 0.92; E-6 07/03/07 <1 61 0.77 27 21 1,1-Dichloroethene: 0.76; E-6 11/13/07 <1 62 0.54 24 23 1,1-Dichloroethene: 0.79; E-6 02/05/08 <1 59 0.75 25 22 1,1-Dichloroethene: 0.76 E-6 04/22/08 <1 53 0.62 22 21 1,1-Dichloroethene: 0.68 E-6 07/22/08 <1 46 0.63 18 17 1,1-Dichloroethene: 0.57 E-6 11/06/08 <1 50 0.65 21 20 1,1-Dichloroethene: 0.65 E-6 02/09/09 <1 51 0.73 22 17 1,1-Dichloroethene: 0.72 E-6 04/24/09 <1 43 0.67 21 17 1,1-Dichloroethene: 0.53 M-8C1 05/02/03 <0.5 170 0.7 48 27 1,1-Dichloroethene: 1.3 M-8C1 10/27/03 <0.5 1 200 0.9 60 50 M-8C1 04/22/04 <0.5 150 - 40 27 M-8C1 04/19/05 <0.50 73 1.5 28 74 1,1-Dichloroethene: 0.80 M-8C1 04/19/05 <0.50 70 1.4 28 72 1,1-Dichloroethene: 0.74 Page 3 of 4