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 03/04/2002 14 54 3.1 Purge 04/01/2002 14 52 1.3 Purge 05/06/2002 10 48 1.4 Purge 06/06/2002 12 47 2.4 Purge 07/08/2002 14 50 1.5 Purge 08/05/2002 8.3 45 <0.5 Purge 09/05/2002 3 26 <0.5 Purge 10/07/2002 12 45 0.6 Purge 11/04/2002 2.8 25 <0.5 Purge 12/03/2002 11 38 0.5 Purge 02/13/2003 3.3 27 0.7 Purge 03/28/2003 9.1 33 0.9 Purge 04/07/2003 8.2 26 0.5 Purge 04/29/2003 9.5 36 0.8 Purge 05/28/2003 8.5 34 0.9 Purge 06/24/2003 8.2 33 0.9 Purge 07/21/2003 6.8 28 0.6 Purge 08/18/2003 9.4 37 <0.5 Purge 09/29/2003 11 37 0.7 Purge 10/09/2003 11 34 1 Purge 10/27/2003 9.3 33 1.5 Purge 10/30/2003 9.3 33 1.5 Purge 11/06/2003 8.4 27 0.8 Purge 12/10/2003 9.1 29 0.7 Purge 01/26/2004 8.9 30 1 Purge 02/09/2004 8.9 33 1.2 Purge 03/15/2004 9 31 1.9 Purge 04/26/2004 5.6 27 1.1 Purge 05/13/2004 6.9 30 1.5 Purge 05/05/2005 1.4 21 <0.5 Grab 02/16/2006 1.2 10 <0.5 Grab 04/18/2006 0.86 9.8 <0.5 Grab 07/19/2006 0.65 11 <0.5 Grab 10/10/2006 0.56 11 <0.5 Grab Q 10/10/2006 0.64 11 <0.5 DUP Grab Q 02/22/2007 0.84 12 <0.5 02/22/2007 0.77 12 <0.5 DUP Grab Q 04/25/2007 0.7 9.8 <0.5 Grab Q 07/03/2007 0.55 8.3 <0.5 Grab Q 11/13/2007 <0.5 7.6 <0.5 Grab Q 02/05/2008 0.97 8.1 <0.5 Grab Q 04/22/2008 0.74 6 <0.5 Grab Q 07/22/2008 0.58 5.3 <0.5 Grab Q 11/06/2008 0.81 7.4 <0.5 Grab Q 02/09/2009 1.5 6.8 <0.5 Grab Q 04/24/2009 1.1 5.4 <0.5 Grab Q 07/29/2009 1.0 5.6 <0.5 Grab Q 10/06/2009 1.0 6.3 <0.5 Grab Q 01/18/2010 1.9 7.2 <0.50 Grab Q 04/12/2010 1.8 6.7 <0.50 Grab SA 10/05/2010 1.5 6.0 <0.50 ED-1 Purge 01/01/1993 42 2400 <0.5 PCE:0.8;CF:4 Purge 01/01/1993 43 2200 <0.5 PCE:0.7;CF:3.6 Purge 04/01/1993 63 2600 <0.5 PCE:1.1;CF:8 Purge 08/01/1993 31 1300 <0.5 PCE:0.9;CF:8 Purge 01/01/1994 49 3900 <0.5 PCE:2.1; 1,1-DCE:0.9;CF:6.3 Purge 01/01/1994 49 3900 <0.5 PCE:2.1; 1,1-DCE:0.9;CF:6.3 Purge 10/07/1998 0.7 220 <0.5 CF:0.5 Purge 04/11/2000 3.6 110 <0.5 CF:2.9 Purge 07/11/2000 4 140 <0.5 CF:1.4 As of July 2005: NR(c) ED-2 Purge 03/01/1992 8.6 720 <0.5 CF:1.4 Purge 04/01/1993 51 3400 <0.5 PCE:18;CF:6.5 Purge 08/01/1993 220 3000 <0.5 PCE:1.1;CF:5.5 Purge 01/01/1994 16 4860 <0.5 PCE:1.5;CF:4.9 Purge 01/01/1994 25 4580 <0.5 DUP; PCE:2.6;CF:7 Purge 04/01/1994 19 3400 <0.5 Purge 04/01/1996 19 3400 <0.5 PCE:0.7;CF:2.3 Purge 10/01/1996 12 <0.5 <0.5 CF:1 Page 2 of 93