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Appendix B: Historical Analytical Results for Volatile Organic Compounds <br /> 2010 Annual Report <br /> Former Nestle USA, Inc. Facility, Ripon, CA <br /> USEPA Method 8010,8021,8260 or 524 in micrograms per liter(ppb) <br /> Well Name/ Sampling Method Average PDB Current <br /> Location (Purge/PDB) Depth(ft bgs) Sampling Sample Date cis-1.2-DCE TCE VC Comments/Other Detected VOC's <br /> Fre uenc <br /> Purge 10/11/2000 0.6 1.9 <0.5 CF:5.5 <br /> Purge 01/09/2001 <1.0 1.3 <1.0 CF:4.3 <br /> Purge 04/12/2001 <2.0 <2.0 <2.0 <br /> Purge 07/12/2001 0.8 2.4 <0.5 CM:1.5;CF:5.3 <br /> Purge 07/12/2001 0.8 2.1 <0.5 DUP;CF:4.8 <br /> Purge 10/11/2001 <0.5 <0.5 <0.5 <br /> Purge 01/23/2002 <0.5 0.6 <0.5 CF:0.7 <br /> Purge 05/07/2002 <0.5 0.9 <0.5 CF:1.7 <br /> Purge 07/23/2002 0.5 1 <0.5 CF:1.9 <br /> Purge 10/09/2002 1.2 2.4 <0.5 CF:4.1 <br /> Purge 02/04/2003 <0.5 1.9 <0.5 CF:3.5 <br /> Purge 02/04/2003 <0.5 2.1 <0.5 DUP;CF:3.7 <br /> Purge 05/06/2003 2.1 3.9 <0.5 CF:3 <br /> Purge 05/06/2003 2.1 3.7 <0.5 DUP;CF:2.8 <br /> Purge 07/23/2003 1.6 2.5 <0.5 CF:2.2 <br /> Purge 10/28/2003 2 3.4 <0.5 CF:1.3 <br /> Purge 01/22/2004 1.8 2.9 <0.5 CF:1.4 <br /> Purge 04/16/2004 1.6 2.9 <0.5 CF:1.4 <br /> Purge 04/16/2004 1.6 2.9 <0.5 DUP;CF:1.4 <br /> Purge 07/20/2004 2.4 3.1 <0.5 CF:0.9 <br /> Purge 10/12/2004 1.8 3 <0.5 CF:0.6 <br /> Purge - 01/25/2005 1.7 3.2 <0.5 CF:0.6 <br /> PDB 97.5 04/27/2005 0.65 1.5 <0.5 <br /> PDB 102.5 04/27/2005 1.3 2.1 <0.5 <br /> PDB 107.5 04/27/2005 1.3 2.2 <0.5 <br /> PDB 112.5 04/27/2005 1.3 2.1 <0.5 <br /> PDB 107.5 08/24/2005 1.3 2.4 <0.5 <br /> PDB 107.5 10/28/2005 1.5 2.5 <0.5 <br /> PDB 107.5 01/26/2006 1 2 <0.5 <br /> PDB 107.5 04/25/2006 1.3 2.3 <0.5 <br /> PDB 107.5 07/19/2006 1.1 2.3 <0.5 <br /> PDB 107.5 Q 10/17/2006 0.87 1.7 <0.5 <br /> PDB 107.5 Q 02/26/2007 0.66 1.3 <0.5 <br /> PDB 107.5 Q 05/10/2007 0.91 1.8 <0.5 <br /> PDB 107.5 Q 07/03/2007 1 1.9 <0.5 <br /> PDB 107.5 Q 10/07/2007 0.92 1.9 <0.5 <br /> PDB 107.5 Q 02/26/2008 0.78 1.7 <0.5 <br /> PDB 107.5 Q 04/23/2008 0.77 1.8 <0.5 <br /> PDB 107.5 Q 07/21/2008 0.58 1.5 <0.5 <br /> PDB 107.5 Q 10/16/2008 0.58 1.4 <0.5 <br /> PDB 107.5 Q 01/26/2009 <0.5 1.4 <0.5 <br /> PDB 107.5 Q 04/23/2009 0.54 1.3 <0.5 <br /> PDB 107.5 Q 07/28/2009 <0.5 1.3 <0.5 <br /> PDB 107.5 Q 10/26/2009 <0.5 1.2 <0.5 <br /> PDB 107.5 Q 01/14/2010 <0.50 0.96 <0.50 <br /> PDB 107.5 Q 04/12/2010 <0.50 0.95 <0.50 <br /> PDB 107.5 Q 07/02/2010 <0.50 0.84 <0.50 <br /> - 07/02/2010 0.34J 0.96 <0.50 DUP <br /> PDB 107.5 Q 10/15/2010 <0.50 0.67 <0.50 <br /> M-56 Purge - 10/01/1987 <0.5 <0.5 <0.5 <br /> Purge 06/01/1988 NA <0.5 <0.5 <br /> Purge 03/01/1989 <0.5 <0.5 <0.5 <br /> Purge 11/01/1989 <0.5 <0.5 <0.5 <br /> Purge 03/01/1990 <0.5 <0.5 <0.5 <br /> Purge 07/01/1990 <0.5 <0.5 <0.5 <br /> Purge 09/01/1990 <0.5 <0.5 <0.5 <br /> Purge 12/01/1990 <0.5 <0.5 <0.5 <br /> Purge 04/01/1991 <0.5 <0.5 <0.5 <br /> Purge 07/01/1991 <0.5 <0.5 <0.5 <br /> Purge 10/01/1991 <0.5 <0.5 <0.5 <br /> Purge 03/01/1992 <0.5 <0.5 <0.5 <br /> Purge 06/01/1992 <0.5 <0.5 <0.5 <br /> Purge 10/01/1992 <0.5 <0.5 <0.5 <br /> Purge 01/01/1993 <0.5 <0.5 <0.5 <br /> Purge 01/01/1993 <0.5 <0.5 <0.5 DUP <br /> Purge 04/01/1993 <0.5 <0.5 <0.5 <br /> Purge 04/01/1993 <0.5 <0.5 <0.5 DUP <br /> Purge 08/01/1993 <0.5 <0.5 <0.5 <br /> Purge 08/01/1993 <0.5 0.7 <0.5 DUP <br /> Page 12 of 93 <br />