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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 /> PDB 223.5 04/22/2005 <0.5 <0.5 <0.5 <br /> PDB 228.5 04/22/2005 <0.5 <0.5 <0.5 <br /> PDB 223.7 A 04/19/2006 <0.5 <0.5 <0.5 <br /> PDB 223.7 A(h) 02/26/2007 <0.5 <0.5 <0.5 NR <br /> PDB 223.7 A(h) 04/26/2007 <0.5 <0.5 <0.5 <br /> - 04/26/2007 <0.5 <0.5 <0.5 DUP <br /> PDB 223.7 A(h) 07/05/2007 <0.5 <0.5 <0.5 <br /> - 07/05/2007 <0.5 <0.5 <0.5 DUP <br /> PDB 223.7 A(h) 10/11/2007 <0.5 <0.5 <0.5 <br /> PDB 223.7 A(a) 02/27/2008 <0.5 <0.5 <0.5 <br /> PDB 223.7 A(a) 04/22/2008 <0.5 <0.5 <0.5 <br /> PDB 223.7 A(a) 07/21/2008 <0.5 <0.5 <0.5 <br /> PDB 223.7 A(a) 10/17/2008 <0.5 <0.5 <0.5 <br /> PDB 223.7 A(a) 01/30/2009 <0.5 <0.5 <0.5 <br /> PDB 223.7 A(a) 04/28/2009 <0.5 <0.5 <0.5 <br /> PDB 223.7 A(a) 07/28/2009 <0.5 <0.5 <0.5 <br /> - 07/28/2009 <0.5 <0.5 <0.5 DUP <br /> PDB 223.7 A(a) 10/26/2009 <0.5 <0.5 <0.5 <br /> PDB 223.7 A(a) 01/18/2010 <0.50 <0.50 <0.50 <br /> PDB 223.7 A 04/19/2010 <0.50 <0.50 <0.50 <br /> M-27D Purge - 11/28/2000 <0.5 <0.5 <0.5 From ERM report <br /> Purge 01/09/2001 <1.0 <1.0 <1.0 <br /> Purge 01/09/2001 <1.0 <1.0 <1.0 DUP <br /> Purge 04/16/2001 <2.0 <2.0 <2.0 <br /> Purge 04/16/2001 <2.0 <2.0 <2.0 DUP#4 <br /> Purge 07/12/2001 <0.5 <0.5 <0.5 <br /> Purge 10/08/2001 <0.5 <0.5 <0.5 CM:0.6,PCE:0.7 <br /> Purge 01/21/2002 <0.5 <0.5 <0.5 <br /> Purge 05/07/2002 1.4 <0.5 <0.5 <br /> Purge 05/07/2002 1.5 <0.5 <0.5 DUP <br /> Purge 08/02/2002 <0.5 <0.5 <0.5 <br /> Purge 10/07/2002 <0.5 <0.5 <0.5 <br /> Purge 02/03/2003 <0.5 <0.5 <0.5 <br /> Purge 05/01/2003 <0.5 <0.5 <0.5 <br /> Purge 07/23/2003 <0.5 <0.5 <0.5 <br /> Purge 07/23/2003 <0.5 <0.5 <0.5 <br /> Purge 10/28/2003 <0.5 <0.5 <0.5 <br /> Purge 01/21/2004 <0.5 <0.5 <0.5 <br /> Purge 01/21/2004 <0.5 <0.5 <0.5 DUP <br /> Purge 04/14/2004 <0.5 <0.5 <0.5 <br /> Purge 07/20/2004 <0.5 <0.5 <0.5 <br /> Purge 10/12/2004 <0.5 <0.5 <0.5 <br /> Purge 01/28/2005 <0.5 <0.5 <0.5 <br /> Purge 05/18/2005 <0.5 0.83 <0.5 <br /> Purge 08/03/2005 <0.5 <0.5 <0.5 <br /> Purge 08/03/2005 <0.5 <0.5 <0.5 DUP <br /> Purge 10/13/2005 <0.5 <0.5 <0.5 <br /> Purge 01/19/2006 <0.5 <0.5 <0.5 <br /> Purge 05/03/2006 <0.5 <0.5 <0.5 <br /> Purge 07/21/2006 <0.5 <0.5 <0.5 DUP <br /> Purge 07/21/2006 <0.5 <0.5 <0.5 <br /> Purge 10/19/2006 <0.5 <0.5 <0.5 <br /> Purge Q 10/19/2006 <0.5 <0.5 <0.5 <br /> Purge Q 02/13/2007 <0.5 <0.5 <0.5 <br /> Purge Q 04/27/2007 <0.5 <0.5 <0.5 <br /> Purge Q 07/11/2007 <0.5 <0.5 <0.5 <br /> Purge Q 10/15/2007 <0.5 <0.5 <0.5 <br /> 10/15/2007 <0.5 <0.5 <0.5 DUP <br /> Purge Q 03/27/2008 <0.5 <0.5 <0.5 <br /> Purge Q 05/01/2008 <0.5 <0.5 <0.5 <br /> 05/01/2008 <0.5 <0.5 <0.5 DUP <br /> Purge Q 07/24/2008 <0.5 <0.5 <0.5 <br /> Purge Q 12/08/2008 <0.5 <0.5 <0.5 <br /> Q 12/08/2008 <0.5 <0.5 <0.5 DUP <br /> Purge Q 02/23/2009 <0.5 <0.5 <0.5 <br /> Purge Q 04/15/2009 <0.5 <0.5 <0.5 <br /> Purge Q 08/05/2009 <0.5 <0.5 <0.5 <br /> Purge Q 10/28/2009 <0.5 <0.5 <0.5 <br /> Purge Q 01/28/2010 <0.50 <0.50 <0.50 <br /> Purge Q 01/28/2010 <0.50 <0.50 <0.50 <br /> Page 59 of 93 <br />