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Table 3.1: Volatile Organic Compounds, Analytical Results, Upper Aquifer Wells <br /> Third Quarter 2011 Site Status Report <br /> Former Nestle USA, Inc. Facility, Ripon, CA <br /> Sample Sample Average PDB MRP Actual Sample cis-1,2- trans-1,2- Trichloro- Vinyl <br /> Location Method Depth (ft, bgs) Sampling Sampling Date Chloroform Dichloroethene Dichloroethene ethene Chloride Comments/Others <br /> Frequency Frequency <br /> USEPA Methods 8260B and 524, micrograms per liter (pg/L) <br /> Upper Aquifer <br /> E-2 PDB 48.5 Semi-Annual Monthly, Quarterly 01/11/11 <1.0 <0.50 <0.50 1.3 <0.50 <br /> E-2 Duplicate 01/11/11 <1.0 <0.50 <0.50 1.5 <0.50 <br /> E-2 PDB 48.5 Semi-Annual Monthly', Quarter) 04/12/11 <1.0 <0.50 <0.50 2.5 <0.50 <br /> E-2 PDB 48.5 Semi-Annual Monthly', Quarterly 07/12/11 <1 <0.50 <0.50 0.78 <0.50 <br /> EI-1 Grab - Semi-Annual Quarterly2 01/04/11 6.2 2.4 <0.50 22 <0.50 1,1-DCA: 0.56 <br /> EI-1 Grab - Semi-Annual Quarterly2 04/12/11 5.3 2.7 <0.50 31 <0.50 <br /> EI-1 Grab - Semi-Annual Quarterly2 07/12/11 3.9 2.5 <0.50 32 <0.50 <br /> EU-3 Grab - Quarterly Quarterly 01/04/11 3.2 <0.50 <0.50 26 <0.50 1,1-DCA: 1.3 <br /> EU-3 Grab - Quarterly Quarterly 04/12/11 3.2 <0.50 <0.50 25 <0.50 1,1-DCA: 0.98 <br /> EU-3 Grab - Quarterly Quarterly 07/12/11 3.1 <0.50 <0.50 19 <0.50 1,1-DCA: 0.91 <br /> EU-4 Grab - Quarterly Quarterly 01/04/11 17 <0.50 <0.50 33 <0.50 <br /> EU-4 Grab - Quarterly Quarterly 04/12/11 19 <0.50 <0.50 48 <0.50 <br /> EU-4 Grab - Quarterly Quarterly 07/12/11 20 <0.50 <0.50 32 <0.50 <br /> EW-1 Grab - Semi-Annual Semi-Annual 04/19/11 1.2 23 <0.50 130 <0.50 1,1-DCA: 1.0 <br /> M-1 A PDB 118.5 Quarterly Quarterly 01/07/11 <1.0 10 <0.50 26 <0.50 1,1-DCA: 2.0 <br /> M-1A PDB 118.5 Quarterly Quarterly 04/08/11 <1.0 13 <0.50 38 <0.50 1,1-DCA: 1.4 <br /> M-1 A PDB 118.5 Quarterly Quarterly 07/12/11 <1.0 9.5 <0.50 30 <0.50 1,1-DCA: 1.3 <br /> M-1 B PDB 38.5 Quarterly Quarterly 01/07/11 1.0 <0.50 <0.50 110 <0.50 1,1-DCA: 1.2 <br /> M-1 B Duplicate 01/07/11 1.0 <0.50 <0.50 120 <0.50 1,1-DCA: 1.2 <br /> M-1 B PDB 38.5 Quarterly Quarterly 04/08/11 2.5 <0.50 <0.50 120 <0.50 1,1-DCA: 3.4 <br /> M-113 Duplicate 04/08/11 2.4 <0.50 <0.50 120 <0.50 1,1-DCA: 3.2 <br /> M-1 B PDB 38.5 Quarterly Quarterly 07/12/11 9.6 <0.50 <0.50 100 <0.50 1,1-DCA: 9.9; 1,1-DCE: 1.3 <br /> M-1 B Duplicate 07/12/11 9.8 <0.5 <0.5 100 <0.5 1,1-DCA: 10; 1,1-DCE: 1.2 <br /> M-2A PDB 103.5 Annual Annual 04/08/11 <1.0 <0.50 <0.50 0.55 <0.50 <br /> M-213 PDB 36.5 Annual Annual 04/08/11 110 <0.50 <0.50 <0.50 <0.50 1,1-DCA: 0.52 <br /> M-3A PDB 99.5 Annual Annual 04/12/11 <1.0 <0.50 <0.50 0.82 <0.50 <br /> M-313 PDB 35 Annual Annual 04/12/11 <1.0 <0.50 <0.50 5.2 <0.50 <br /> M-413 PDB 38.5 Annual Annual 04/08/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> M-5A PDB 107.5 Quarterly Quarterly 01/11/11 <1.0 <0.50 <0.50 0.58 <0.50 <br /> M-5A Duplicate 01/11/11 <1.0 <0.50 <0.50 0.55 <0.50 <br /> M-5A PDB 107.5 Quarterly Quarterly 04/11/11 <1.0 <0.50 <0.50 0.57 <0.50 <br /> M-5A PDB 107.5 Quarterly Quarterly 07/12/11 <1.0 <0.50 <0.50 0.61 <0.50 <br /> M-513 PDB 38.5 Annual Annual 04/11/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> .M-6A PDB 107.5 Semi-Annual Semi-Annual 04/08/11 <1.0 16 <0.50 66 0.57 <br /> M-613 PDB 40.5 Semi-Annual Semi-Annual 04/08/11 <1.0 1.2 <0.50 100 <0.50 <br /> Page 1 of 4 <br />