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 Purge Q 04/13/2010 <0.50 <0.50 <0.50 Purge Q 08/04/2010 <0.50 <0.50 <0.50 Purge Q 11/08/2010 <0.50 <0.50 <0.50 M-31 D (formerly M- Purge 07/20/2004 <0.5 <0.5 <0.5 31 C2/D) Purge 07/20/2004 <0.5 <0.5 <0.5 DUP Purge - 02/02/2005 <0.5 <0.5 <0.5 PDB 198.5 04/27/2005 <0.5 <0.5 <0.5 PDB 203.5 04/27/2005 <0.5 <0.5 <0.5 PDB 208.5 04/27/2005 <0.5 <0.5 <0.5 PDB 203.5 08/24/2005 <0.5 <0.5 <0.5 PDB 203.5 10/28/2005 <0.5 <0.5 <0.5 PDB 203.5 02/02/2006 <0.5 <0.5 <0.5 PDB 203.5 4/18/2006(h) 150 15 31 1,1-DCE:0.61;t-1,2-DCE:0.86 PDB 203.5 07/19/2006 <0.5 <0.5 <0.5 PDB 203.5 NR 10/18/2006 <0.5 <0.5 <0.5 PDB 203.5 NR 02/28/2007 <0.5 <0.5 <0.5 PDB 203.5 NR 04/26/2007 <0.5 <0.5 <0.5 PDB 203.5 NR 07/05/2007 <0.5 <0.5 <0.5 PDB 203.5 NR 10/11/2007 <0.5 <0.5 <0.5 PDB 203.5 NR 02/28/2008 <0.5 <0.5 <0.5 - 02/28/2008 <0.5 <0.5 <0.5 DUP PDB 203.5 NR 04/22/2008 <0.5 <0.5 <0.5 PDB 203.5 NR 07/18/2008 <0.5 <0.5 <0.5 PDB 203.5 NR 10/17/2008 <0.5 <0.5 <0.5 PDB 203.5 NR 01/30/2009 <0.5 <0.5 <0.5 PDB 203.5 NR 04/28/2009 <0.5 <0.5 <0.5 - 04/28/2009 <0.5 <0.5 <0.5 DUP PDB 203.5 NR 07/28/2009 <0.5 <0.5 <0.5 PDB 203.5 NR 10/08/2009 <0.5 <0.5 <0.5 PDB 203.5 NR 01/15/2010 <0.50 <0.50 <0.50 PDB 203.5 SA 04/16/2010 <0.50 <0.50 <0.50 PDB 203.5 SA 10/15/2010 <0.50 <0.50 <0.50 M-32D New wells installed in 2005. Will be monitored quarterly for 2006. In 2007,monitoring frequency will be reevaluated. PDB 219.5 02/02/2006 2 0.63 <0.5 PDB 224.5 02/02/2006 2.3 0.93 <0.5 PDB 229.5 02/02/2006 2.1 0.86 <0.5 PDB 224.5 04/18/2006 2.1 0.81 <0.5 PDB 224.5 07/19/2006 2.8 0.99 <0.5 PDB 224.5 NR 10/18/2006 3.2 1.1 <0.5 PDB 224.5 NR 02/28/2007 4 1.5 <0.5 PDB 224.5 NR 04/26/2007 4 1.3 <0.5 PDB 224.5 NR 07/05/2007 3.4 1.3 <0.5 PDB 224.5 NR 10/11/2007 4.4 1.6 <0.5 PDB 224.5 NR 02/27/2008 3.3 1.7 <0.5 PDB 224.5 NR 04/22/2008 3.8 1.5 <0.5 PDB 224.5 NR 07/18/2008 4.9 1.9 <0.5 PDB 224.5 NR 10/16/2008 4.7 2 <0.5 PDB 224.5 NR 01/30/2009 4.7 2.1 <0.5 PDB 224.5 NR 04/28/2009 4.4 1.8 <0.5 PDB 224.5 NR 07/28/2009 4.7 2.1 <0.5 PDB 224.5 NR 10/07/2009 5.6 2.2 <0.5 PDB 224.5 NR 01/15/2010 5.6 2.7 <0.50 PDB 224.5 NR 04/16/2010 5.2 2.5 <0.50 PDB 224.5 Q 07/02/2010 4.1 1.8 <0.50 - 07/02/2010 6.1 2.9 <0.50 DUP PDB 224.5 Q 10/15/2010 5.0 2.4 <0.50 M-33C New wells installed in 2005. Will be monitored quarterly for 2006. In 2007,monitoring frequency will be reevaluated. PDB 190.5 02/02/2006 <0.5 <0.5 <0.5 PDB 195.5 02/02/2006 <0.5 <0.5 <0.5 PDB 190.5 05/08/2006 <0.5 <0.5 <0.5 PDB 190.5 07/19/2006 <0.5 <0.5 <0.5 PDB 190.5 NR 10/18/2006 <0.5 <0.5 <0.5 PDB 195.5 NR 02/28/2007 <0.5 <0.5 <0.5 PDB 195.5 NR 04/26/2007 <0.5 <0.5 <0.5 PDB 195.5 NR 07/05/2007 <0.5 <0.5 <0.5 PDB 195.5 NR 10/11/2007 <0.5 <0.5 <0.5 PDB 195.5 NR 02/28/2008 <0.5 <0.5 <0.5 Page 60 of 93