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 - 04/21/2005 <0.5 <0.5 <0.5 PDB 32.5 A 04/19/2006 <0.5 <0.5 <0.5 PDB 37.5 A 04/25/2007 <0.5 <0.5 <0.5 PDB 37.5 A 04/24/2008 <0.5 <0.5 <0.5 Purge 37.5 A 11/05/2008 <0.5 <0.5 <0.5 PDB 37.5 A 04/10/2009 <0.5 <0.5 <0.5 PDB 37.5 A 04/19/2010 <0.50 <0.50 <0.50 PDB - A 04/19/2010 <0.50 <0.50 <0.50 DUP M-14A Purge 03/01/1989 19 9 6.5 Purge 11/01/1989 88 43 21 1,1-DCE:0.8 Purge 03/01/1990 100 42 20 Purge 07/01/1990 77 32 <0.5 Purge 09/01/1990 119 55.7 55 Purge 12/01/1990 130 59.9 <0.5 Purge 04/01/1991 220 73 <0.5 Purge 07/01/1991 70 72 <0.5 Purge 10/01/1991 19 67 42 1,1-DCE:2,t-1,2-13CE:1.1,Tol:2.1;CF:7.1 Purge 03/01/1992 69 36 4.3 1,1-DCE:2.4 Purge 03/01/1992 92 2.8 1.4 DUP Purge 06/01/1992 190 64 40 Purge 10/01/1992 163 64 26 1,1-DCE:0.8 Purge 01/01/1993 138 81 <0.5 Purge 04/01/1993 <0.5 2.4 <0.5 Purge 08/01/1993 106 36 <0.5 1,1-DCE:0.7 Purge 01/01/1994 103 41 3.5 1,1-DCE:1.2 Purge 03/01/1995 40 26 7 Iso-benzene:1.5;CF:0.7 Purge 04/01/1996 110 56 48 1,1-DCE:1.5 Purge 04/01/1997 44 19 <0.5 Purge 04/29/1998 34 18 <0.5 CCL4:0.6 Purge 04/07/1999 30 14 <0.5 Purge 04/13/2000 20 12 <0.5 Purge 04/11/2001 19 7.7 <2.0 Tol:4.8 Purge 05/07/2002 28 12 <0.5 Purge 05/05/2003 44 21 25 Purge - 04/20/2004 37 17 25 PDB 98.5 04/26/2005 64 36 <0.5 1,1-DCE:0.64 PDB 103.5 04/26/2005 49 25 2.4 PDB 108.5 04/26/2005 47 24 2.9 PDB 113.5 04/26/2005 31 15 4.8 PDB 98.5 04/19/2006 42 21 0.69 PDB 98.5 04/25/2007 54 26 <0.5 PDB 98.5 04/24/2008 37 16 0.67 PDB 98.5 A 04/10/2009 28 12 <0.5 PDB 98.5 A 04/19/2010 10 7 1.4 M-14B Purge - 03/01/1989 0.6 1.2 <0.5 CF:1.4 Purge 11/01/1989 2.4 <0.5 <0.5 CCL4:4.6 Purge 03/01/1990 <0.5 <0.5 <0.5 CCL4:7.4;CF:1.3 Purge 07/01/1990 <0.5 <0.5 <0.5 CCL4:6.9;CF:1.5 Purge 09/01/1990 0.6 <0.5 <0.5 1,2,3-TCB:5.2,1,2,4-TCB:2.8; CCL4:16.9 Purge 12/01/1990 <0.5 0.8 <0.5 CCL4:18 Purge 04/01/1991 2.6 0.9 29 CCL4:56 Purge 04/01/1991 <0.5 26 <0.5 DUP,1,1-DCA:7.3; CCL4:56;CF:1.6 Purge 07/01/1991 1.4 0.6 <0.5 CCL4:20;CF:1.4 Purge 10/01/1991 1.7 0.7 <0.5 1,2-DCP:1.1,Tol:1.7; CCL4:25;CF:4.4 Purge 03/01/1992 2.4 1.2 <0.5 1,2-DCP:1.7; CCL4:39;CF:4.2 Purge 03/01/1992 2.8 1.2 <0.5 DUP,1,2-DCP:1.4; CCL4:36;CF:4.4 Purge 06/01/1992 3.4 1.6 <0.5 1,2-DCP:1.9; CCL4:38;CF:5.1 Purge 10/01/1992 1 0.9 <0.5 CCL4:2.8;CF:2.7 Purge 01/01/1993 1.2 1.5 <0.5 CCL4:6;CF:3.8 Purge 04/01/1993 2.8 2 <0.5 CCL4:74;CF:7 Purge 08/01/1993 1 0.7 <0.5 CCL4:22;CF:3.6 Purge 01/01/1994 1.4 1.3 <0.5 CCL4:36;CF:5.2 Purge 03/01/1995 0.9 0.8 <0.5 CCL4:38;CF:5 Purge 04/01/1996 2 3.6 <0.5 CF:8.7 Purge 04/29/1998 1.8 2.1 <0.5 PCE:2.7; 1,1,1-TCA:0.7; CCL4:4.8;CF:1.5 Purge 04/06/1999 3.7 2.9 <0.5 PCE:3.3; CCL4:2;CF:0.9 Purge 04/17/2000 4.4 3 <0.5 CCL4:0.8;CF:0.7 Purge 04/11/2001 <2.0 <2.0 <2.0 PCE:3.1 Purge 05/07/2002 2.5 2.1 <0.5 PCE:4.2 Page 22 of 93