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Table 5: Volatile Organic Compounds, Analytical Results, Private Wells and Other Wells <br /> Third Quarter 2011 Site Status Report <br /> Former Nestle USA, Inc. Facility, Ripon, CA <br /> Sample Sample Average PDB Sampling Sample cis-1,2- trans-1,2- Vinyl <br /> Location Method Depth (ft, bgs) Frequency Date Chloroform Dichloroethene Dichloroethene Trichloroethene Chloride Comments/Others <br /> USEPA Method 8260B and 524, micrograms per liter (pg/L) <br /> Diamond Pet Food Processors (formerly Neenah Paper Company) Wells <br /> PW-6 Purge - Quarterly (a) Well not operational <br /> PW-6 Purge - Quarterly (a) 07/25/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> PW-8 Purge - Quarterly (a) Well not operational <br /> 7H-1 PDB 278.5 Annual 04/28/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> TH-7 PDB 90 Annual 04/28/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> TH-8 PDB 142.5 Quarterly 02/02/11 <1.0 8.8 <0.50 2.7 9.9 <br /> TH-8 PDB 142.5 Quarterly 04/28/11 <1.0 8.7 <0.50 3.1 12 <br /> TH-8 PDB 142.5 Quarterly 07/08/11 <1.0 8.5 <0.50 2.9 9.2 <br /> TH-9 PDB 82.5 Quarterly 02/02/11 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> TH-9 PDB 82.5 Quarterly 04/28/11 <1.0 2.4 <0.50 1.2 4.1 <br /> TH-9 PDB 82.5 Quarterly 07/08/11 <1.0 2.5 <0.50 1.2 2.9 <br /> TH-10 PDB 145.5 Quarterly 02/02/11 <5 150 2.5 12 150 <br /> TH-10 PDB 145.5 Quarterly 04/28/11 <5.0 130 <2.5 41 160 <br /> TH-10 PDB 145.5 Quarterly 07/08/11 <5.0 120 2.5 38 130 <br /> TH-11 PDB 175 Semi-Annual 04/28/11 <1.0 30 0.60 10 18 <br /> Parallel Avenue Domestic Wells <br /> 361 Parallel Purge - Quarterly 01/04/11 <0.10 <0.10 <0.10 <0.10 <0.10 <br /> 361 Parallel Purge - Quarterly 04/21/11 <0.10 <0.10 <0.10 <0.10 <0.10 <br /> 361 Parallel Purge - Quarterly 07/25/11 <0.10 <0.10 <0.10 <0.10 <0.10 <br /> 415 Parallel Purge - Quarterly House condemned by the City of Ripon; Documentation provided to RWQCB. <br /> 501 Parallel Purge - Quarterly Well decommission by owner and connected to City of Ripon water supply; Documentation provided to RWQCB. <br /> Phase I Domestic Wells (South of Stanislaus River) <br /> 5500 Hall Road Purge - Annual 04/21/11 <0.10 <0.10 <0.10 <0.10 <0.10 <br /> 1,2-Dichlorobenzene: 1.6; <br /> 5724 Hall Road Purge - Monthly 01/28/11 <0.10 <0.10 <0.10 <0.10 <0.10 1,3-Dichlorobenzene: 0.14; <br /> 1,4-Dichlorobenzene: 0.22; <br /> Tetrachloroethene (PCE): 0.15 <br /> 5724 Hall Road Purge - Monthly 02/25/11 <0.10 <0.10 <0.10 <0.10 <0.10 1,2-Dichlorobenzene 0.47; <br /> 1,4-Dichlorobenzene 0.11 <br /> 5724 Hall Road Purge - Monthly 03/22/11 <0.10 <0.10 <0.10 <0.10 <0.10 1,2-Dichlorobenzene 0.55 <br /> 5724 Hall Road Purge - Monthly 04/21/11 No Access Granted <br /> 5724 Hall Road Purge - Monthly 05/24/11 <0.10 <0.10 <0.10 <0.10 <0.10 1,2-Dichlorobenzene 0.63; <br /> 1,4-Dichlorobenzene 0.10 <br /> 1,2-Dichlorobenzene: 1.2; <br /> 5724 Hall Road Purge - Monthly 06/24/11 <0.10 <0.10 <0.10 <0.10 <0.10 1,3-Dichlorobenzene: 0.10; <br /> 1,4-Dichlorobenzene: 0.14 <br /> Page 1 of 4 <br />