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 195.5 NR 04/22/2008 <0.5 <0.5 <0.5 PDB 195.5 NR 07/18/2008 <0.5 <0.5 <0.5 - 07/18/2008 <0.5 <0.5 <0.5 DUP PDB 195.5 NR 11/11/2008 <0.5 <0.5 <0.5 PDB 195.5 NR 01/30/2009 <0.5 <0.5 <0.5 PDB 195.5 NR 04/28/2009 <0.5 <0.5 <0.5 PDB 195.5 NR 07/28/2009 <0.5 <0.5 <0.5 PDB 195.5 NR 10/08/2009 <0.5 <0.5 <0.5 PDB 195.5 NR 01/15/2010 <0.50 <0.50 <0.50 PDB 195.5 SA 04/16/2010 <0.50 <0.50 <0.50 - 04/16/2010 <0.50 <0.50 <0.50 DUP PDB 195.5 SA 10/15/2010 <0.50 <0.50 <0.50 M-34D New wells installed in 2005. Will be monitored quarterly for 2006. In 2007,monitoring frequency will be reevaluated. PDB 226.5 02/02/2006 3.3 1.2 <0.5 PDB 231.5 02/02/2006 2.6 0.96 <0.5 PDB 226.5 04/18/2006 3.3 1.2 <0.5 PDB 226.5 07/19/2006 3.5 1.4 <0.5 PDB 226.5 NR 10/17/2006 <0.5 <0.5 <0.5 PDB 226.5 NR 02/28/2007 <0.5 <0.5 <0.5 PDB 226.5 NR 04/25/2007 <0.5 <0.5 <0.5 PDB 226.5 NR 07/09/2007 <0.5 <0.5 <0.5 PDB 226.5 NR 10/11/2007 <0.5 <0.5 <0.5 PDB 226.5 NR 02/27/2008 <0.5 <0.5 <0.5 PDB 226.5 NR 04/23/2008 <0.5 <0.5 <0.5 PDB 226.5 NR 07/18/2008 <0.5 <0.5 <0.5 PDB 226.5 NR 10/16/2008 <0.5 <0.5 <0.5 PDB 226.5 NR 01/26/2009 4.8 1.9 <0.5 PDB 226.5 NR 04/23/2009 4.5 1.9 <0.5 PDB 226.5 NR 07/28/2009 4.3 2.0 <0.5 PDB 226.5 NR 10/07/2009 6.2 2.6 <0.5 PDB 226.5 NR 01/14/2010 4.8 2.2 <0.50 PDB 226.5 NR 04/16/2010 4.5 2.3 <0.50 PDB 226.5 Q 07/02/2010 4.5 2.2 <0.50 PDB 226.5 Q 11/02/2010 4.6 2.1 <0.50 - 11/02/2010 4.4 1.9 <0.50 DUP M-34131 New wells installed in 2005. Will be monitored quarterly for 2006. In 2007,monitoring frequency will be reevaluated. PDB 328.5 02/02/2006 <0.5 <0.5 <0.5 PDB 333.5 02/02/2006 <0.5 <0.5 <0.5 PDB 328.5 04/18/2006 <0.5 <0.5 <0.5 PDB 328.5 07/19/2006 <0.5 <0.5 <0.5 PDB 328.5 NR 10/17/2006 <0.5 <0.5 <0.5 PDB 328.5 NR 02/28/2007 <0.5 <0.5 <0.5 PDB 328.5 NR 04/25/2007 <0.5 <0.5 <0.5 PDB 328.5 NR 07/09/2007 <0.5 <0.5 <0.5 PDB 328.5 NR 10/11/2007 <0.5 <0.5 <0.5 PDB 328.5 NR 02/27/2008 <0.5 <0.5 <0.5 PDB 328.5 NR 04/28/2008 <0.5 <0.5 <0.5 PDB 328.5 NR 07/18/2008 <0.5 <0.5 <0.5 PDB 328.5 NR 10/16/2008 <0.5 <0.5 <0.5 PDB 328.5 NR 01/26/2009 <0.5 <0.5 <0.5 PDB 328.5 NR 04/23/2009 <0.5 <0.5 <0.5 PDB 328.5 NR 07/28/2009 <0.5 <0.5 <0.5 PDB 328.5 NR 10/07/2010 <0.5 <0.5 <0.5 PDB 328.5 NR 01/14/2010 <0.50 <0.50 <0.50 PDB 328.5 NR 04/16/2010 <0.50 <0.50 <0.50 PDB 328.5 Q 07/02/2010 <0.50 <0.50 <0.50 PDB 328.5 Q 11/02/2010 <0.50 <0.50 <0.50 M-35D New wells installed in 2005. Will be monitored quarterly for 2006. In 2007,monitoring frequency will be reevaluated. PDB 247.5 02/02/2006 <0.5 <0.5 <0.5 PDB 247.5 04/18/2006 <0.5 <0.5 <0.5 PDB 247.5 07/19/2006 <0.5 <0.5 <0.5 PDB 247.5 NR 10/18/2006 <0.5 <0.5 <0.5 PDB 247.5 NR 02/28/2007 <0.5 <0.5 <0.5 PDB 247.5 NR 04/25/2007 <0.5 <0.5 <0.5 PDB 247.5 NR 07/09/2007 <0.5 <0.5 <0.5 PDB 247.5 NR 10/11/2007 <0.5 <0.5 <0.5 PDB 247.5 NR 02/27/2008 <0.5 <0.5 <0.5 PDB 247.5 NR 04/23/2008 <0.5 <0.5 <0.5 PDB 247.5 NR 07/18/2008 <0.5 <0.5 <0.5 Page 61 of 93