ARCHIVED REPORTS_2010 ANNUAL REPORT

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Appendix B: Historical Analytical Results for Volatile Organic Compounds 2010 Annual Report Former Nestle USA, Inc. Facility, Ripon, CA USEPA Method 8010,8021,8260 or 524 in micrograms per liter(ppb) Well Name/ Sampling Method Average PDB Current Location (Purge/PDB) Depth(ft bgs) Sampling Sample Date cis-1,2-DCE TCE VC Comments/Other Detected VOC's Fre uenc PDB 127.5 Q 10/15/2010 93 37 85 t-1,2-DCE:1.81,1-DCE:1.3 M-30C2 Purge - 07/19/2004 9.7 4.3 4.8 Purge 10/18/2004 11 3.6 2.6 Purge - 02/02/2005 12 5.3 4.8 PDB 152.5 04/27/2005 11 5.2 5.7 PDB 152.5 08/24/2005 11 3.5 7.2 PDB 152.5 10/28/2005 6.6 1.2 2.4 PDB 152.5 01/26/2006 8.7 0.89 2.2 PDB 152.5 04/18/2006 11 1.6 2.4 PDB 152.5 07/19/2006 14 1.7 1.5 PDB 152.5 NR 10/18/2006 12 4.7 0.54 PDB 152.5 NR 02/28/2007 14 3.2 0.58 PDB 152.5 NR 04/26/2007 12 2.9 <0.5 PDB 152.5 NR 07/05/2007 7.8 2.2 <0.5 PDB 152.5 NR 10/11/2007 8.1 1.9 <0.5 t-1,2-DCE:0.58 PDB 152.5 NR 02/28/2008 5.8 1.5 <0.5 t-1,2-DCE:0.53 PDB 152.5 NR 04/22/2008 4.8 <0.5 1.1 - 04/22/2008 5.2 <0.5 1.2 DUP PDB 152.5 NR 07/18/2008 6.3 1.2 <0.5 PDB 152.5 NR 10/17/2008 5 1 0.51 PDB 152.5 NR 01/30/2009 4.9 1.1 <0.5 PDB 152.5 NR 04/28/2009 5.1 1.1 <0.5 t-1,2-DCE:0.52; PDB 152.5 NR 07/28/2009 2.4 0.89 <0.5 PDB 152.5 NR 10/07/2009 2.3 0.71 <0.5 PDB 152.5 NR 01/15/2010 1.8 0.98 <0.50 PDB 152.5 NR 04/16/2010 4.5 <0.50 1.1 - 04/16/2010 4.5 <0.50 1.0 DUP PDB 152.5 Q 07/02/2010 0.98 0.61 <0.50 PDB 152.5 Q 10/15/2010 <0.50 0.57 <0.50 M-31C1 Purge - 07/19/2004 190 40 74 1,1-DCE:0.8,t-1,2-DCE:1.1 Purge 10/18/2004 220 52 62 1,1-DCE:1.1,t-1,2-DCE:1.1 Purge - 02/02/2005 240 52 89 1,1-DCE:1.3;t-1,2-DCE:1.2 PDB 122.5 04/27/2005 180 8.2 54 t-1.2-DCE:1 PDB 122.5 08/24/2005 230 34 57 Purge - 08/29/2005 250 38 71 PDB 122.5 10/28/2005 210 21 50 PDB 122.5 02/02/2006 150 16 22 PDB 122.5 4/18/2006(h) <0.5 <0.5 <0.5 PDB 122.5 07/19/2006 220 26 31 PDB 122.5 NR 10/18/2006 220 36 35 PDB 122.5 NR 02/28/2007 200 31 8.5 PDB 122.5 NR 04/26/2007 200 33 10 PDB 122.5 NR 07/05/2007 220 40 22 PDB 122.5 NR 10/11/2007 240 46 47 PDB 122.5 NR 02/28/2008 220 43 49 t-1,2-DCE:2.1 - 02/28/2008 230 38 48 DUP PDB 122.5 NR 04/22/2008 190 31 28 PDB 122.5 NR 07/18/2008 260 47 55 PDB 122.5 NR 10/17/2008 240 53 67 PDB 122.5 NR 01/30/2009 240 50 44 PDB 122.5 NR 04/28/2009 240 49 56 1,1-DCE:1.1;t-1,2-DCE:1.4; PDB 122.5 NR 07/28/2009 180 35 3.8 PDB 122.5 NR 10/08/2009 240 55 31 PDB 122.5 NR 01/15/2010 200 50 58 1,1-DCE:1.2;t-1,2-DCE:1.4; PDB 122.5 NR 04/27/2010 240 53 71 1,1-DCE:1.4;t-1,2-DCE:1.3; PDB 122.5 Q 08/03/2010 220 50 57 1,1-DCE:<2.0;t-1,2-DCE:<2.0 PDB 122.5 08/03/2010 240 48 86 1,1-DCE:1.0;t-1,2-DCE:1.1;DUP PDB 122.5 Q 10/15/2010 250 52 65 t-1,2-DCE:<5.0;1,1-DCE:<5.0 M-32C New wells installed in 2005. Will be monitored quarterly for 2006. In 2007,monitoring frequency will be reevaluated. PDB 120.5 02/02/2006 20 5.9 <0.5 PDB 125.5 02/02/2006 23 5.9 <0.5 PDB 130.5 02/02/2006 27 6.3 <0.5 PDB 135.5 02/02/2006 30 6.7 <0.5 PDB 135.5 04/18/2006 15 6.6 <0.5 PDB 135.5 07/19/2006 45 7.7 <0.5 PDB 135.5 NR 10/18/2006 20 7.1 <0.5 PDB 135.5 NR 02/28/2007 24 6.4 <0.5 PDB 135.5 NR 04/26/2007 24 5.7 <0.5 PDB 135.5 NR 07/05/2007 19 4.5 <0.5 Page 51 of 93