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Appendix B: Historical Analytical Results for Volatile Organic Compounds <br /> 2010 Annual Report <br /> Former Nestle USA, Inc. Facility, Ripon, CA <br /> USEPA Method 8010,8021,8260 or 524 in micrograms per liter(ppb) <br /> Well Name/ Sampling Method Average PDB Current <br /> Location (Purge/PDB) Depth(ft bgs) Sampling Sample Date cis-1,2-DCE TCE VC Comments/Other Detected VOC's <br /> Fre uenc <br /> PDB 65.5 NR 01/18/2010 <0.50 1.1 <0.50 <br /> PDB 55.5 NR 04/19/2010 <0.50 1.2 <0.50 <br /> PDB 55.5 NR 07/06/2010 <0.50 1.3 <0.50 <br /> PDB 55.5 NR 10/21/2010 <0.50 2.0 <0.50 CF:2.2; <br /> M-52B PDB 24.5 NR 01/18/2010 <0.50 0.55 <0.50 <br /> PDB 29.5 NR 01/18/2010 <0.50 3.6 <0.50 <br /> PDB 34.5 NR 01/18/2010 <0.50 3.9 <0.50 <br /> PDB 39.5 NR 01/18/2010 <0.50 3.5 <0.50 <br /> PDB 34.5 NR 04/28/2010 <0.50 2.6 <0.50 <br /> PDB 34.5 NR 07/06/2010 <0.50 2.5 <0.50 <br /> PDB 34.5 NR 10/21/2010 <0.50 2.4 <0.50 <br /> PDB 34.5 NR 11/23/2010 <0.50 1.5 <0.50 <br /> PDB 34.5 NR 12/21/2010 <0.50 1.2 <0.50 <br /> M-53B PDB 24.5 NR 01/18/2010 <0.50 <0.50 <0.50 <br /> PDB 29.5 NR 01/18/2010 <0.50 <0.50 <0.50 <br /> PDB 34.5 NR 01/18/2010 <0.50 <0.50 <0.50 <br /> PDB 39.5 NR 01/18/2010 <0.50 1.5 <0.50 <br /> PDB 39.5 NR 04/28/2010 <0.50 <0.50 <0.50 <br /> PDB 39.5 NR 07/06/2010 0.83 0.77 <0.50 <br /> PDB 39.5 NR 1 10/21/2010 1 <0.50 1 <0.50 1 <0.50 <br /> Intermediate Aquifer <br /> C1/C2 PIEZ" Purge - 06/04/1999 8.9 6 <0.5 <br /> Purge 07/19/1999 29 12 <0.5 <br /> Purge 01/21/2000 70 23 <0.5 1,1-DCE:0.6;MC:0.6 <br /> Purge 04/14/2000 80 22 <0.5 1,1-DCE:0.6;CF:2.1 <br /> Sampling Not Required <br /> E-6 <br /> (Extraction Well) Purge 11/27/2000 97 27 17 <br /> Purge 11/27/2000 88 23 14 DUP <br /> Purge 01/15/2001 130 34 21 <br /> Purge 01/16/2001 160 44 32 1,1-DCE:1.1 <br /> Purge 01/18/2001 160 44 31 1,1-DCE:1.2 <br /> Purge 10/27/2003 210 70 65 t-1,2-DCE:1.2 <br /> Purge 05/05/2005 110 40 43 1,1-DCE:1.7 <br /> Grab 02/16/2006 81 32 41 t-1,2-DCE:0.87;1,1-DCE:0.99 <br /> Grab 04/18/2006 80 30 35 <br /> Grab 07/19/2006 79 30 21 <br /> Grab Q 10/10/2006 86 32 36 t-1,2-DCE:0.88;1,1-DCE:0.88 <br /> Grab Q 02/22/2007 75 34 27 t-1,2-DCE:0.92;1,1-DCE:0.92 <br /> Grab Q 04/25/2007 62 28 23 t-1,2-DCE:0.78;1,1-DCE:0.92 <br /> Grab Q 07/03/2007 61 27 21 t-1,2-DCE:0.77;1,1-DCE:0.76 <br /> Grab Q 11/13/2007 62 24 23 t-1,2-DCE:0.54;1,1-DCE:0.79 <br /> Grab Q 02/05/2008 59 25 22 t-1,2-DCE:0.75;1,1-DCE:0.76 <br /> Grab Q 04/22/2008 53 22 21 t-1,2-DCE:0.62;1,1-DCE:0.68 <br /> Grab Q 07/22/2008 46 18 17 t-1,2-DCE:0.63;1,1-DCE:0.57 <br /> Grab Q 07/22/2008 50 21 22 t-1,2-DCE:0.73;1,1-DCE:0.74,DUP <br /> Grab Q 11/06/2008 50 21 20 t-1,2-DCE:0.65;1,1-DCE:0.65 <br /> Grab Q 02/09/2009 51 22 17 1,1-DCE:0.72;t-1,2-DCE:0.73; <br /> Grab Q 04/24/2009 43 21 17 1,1-DCE:0.53;t-1,2-DCE:0.67; <br /> Grab Q 07/29/2009 47 23 14 <br /> Grab Q 10/06/2009 28 11 20 <br /> Grab Q 01/18/2010 50 23 12 t-1,2-DCE:0.65;1,1-DCE:0.58 <br /> Grab Q 04/12/2010 33 17 8.7 t-1,2-DCE:0.58;1,1-DCE:0.54 <br /> Grab SA 10/05/2010 45 20 15 t-1,2-DCE:0.61;1,1-DCE:0.58 <br /> M-5C1 Purge 11/28/2000 2.3 3.4 <0.5 From ERM report <br /> Purge 01/10/2001 2.2 2.4 <1.0 <br /> Purge 04/16/2001 <2.0 <2.0 <2.0 <br /> Purge 07/12/2001 2.2 3.1 <0.5 CF:1.2 <br /> Purge 07/12/2001 2.2 4.1 <0.5 DUP;CF:1.5 <br /> Purge 10/09/2001 3.9 7.2 <0.5 CF:2.8 <br /> Purge 01/21/2002 5.1 6.6 <0.5 CF:0.9 <br /> Purge 01/21/2002 6.1 6.6 <0.5 DUP;CF:1 <br /> Purge 05/07/2002 4.7 5.7 <0.5 CF:0.7 <br /> Purge 08/02/2002 2.6 3.8 <0.5 CF:0.8 <br /> Purge 10/10/2002 2.9 4.4 <0.5 CF:1.1 <br /> Purge 02/04/2003 8.7 8.6 <0.5 CF:1.6 <br /> Purge 05/02/2003 10 14 <0.5 CF:4.5 <br /> Page 34 of 93 <br />