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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 102.5 Q 04/12/2010 <0.50 <0.50 <0.50 <br /> PDB 102.5 Q 07/08/2010 <0.50 <0.50 <0.50 <br /> PDB 102.5 Q 10/15/2010 <0.50 <0.50 <0.50 <br /> M-28A <br /> (a.k.a.M-28B/A) 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#1 <br /> Purge 07/12/2001 <0.5 <0.5 <0.5 CM:1.9 <br /> Purge 10/08/2001 <0.5 <0.5 <0.5 <br /> Purge 01/21/2002 6.7 1.7 <0.5 1,2-DCA:0.7 <br /> Purge 05/07/2002 <0.5 <0.5 <0.5 <br /> Purge 08/02/2002 <0.5 <0.5 <0.5 <br /> Purge 10/04/2002 <0.5 <0.5 <0.5 <br /> Purge 02/04/2003 <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 10/27/2003 <0.5 <0.5 <0.5 <br /> Purge 10/27/2003 <0.5 <0.5 <0.5 DUP <br /> Purge 01/23/2004 <0.5 <0.5 <0.5 <br /> Purge 01/23/2004 <0.5 <0.5 <0.5 DUP <br /> Purge 04/14/2004 <0.5 <0.5 <0.5 <br /> Purge 04/14/2004 <0.5 <0.5 <0.5 DUP <br /> Purge 07/16/2004 <0.5 <0.5 <0.5 <br /> Purge 10/13/2004 <0.5 <0.5 <0.5 <br /> Purge 01/27/2005 <0.5 <0.5 <0.5 <br /> Purge 05/19/2005 <0.5 <0.5 <0.5 <br /> Purge 08/03/2005 <0.5 <0.5 <0.5 <br /> Purge 10/14/2005 <0.5 <0.5 <0.5 <br /> Purge 01/19/2006 <0.5 <0.5 <0.5 <br /> Purge 04/17/2006 <0.5 <0.5 <0.5 <br /> Purge 07/21/2006 <0.5 <0.5 <0.5 <br /> Purge 10/19/2006 <0.5 <0.5 <0.5 <br /> Purge 10/19/2006 <0.5 <0.5 <0.5 DUP <br /> Purge 02/13/2007 <0.5 <0.5 <0.5 <br /> Purge 04/20/2007 <0.5 <0.5 <0.5 <br /> Purge 07/11/2007 <0.5 <0.5 <0.5 <br /> Purge 10/15/2007 <0.5 <0.5 <0.5 <br /> Purge Q 03/27/2008 <0.5 <0.5 <0.5 <br /> Purge Q 04/30/2008 <0.5 <0.5 <0.5 <br /> Purge Q 07/23/2008 <0.5 <0.5 <0.5 <br /> Purge Q 12/05/2008 <0.5 <0.5 <0.5 <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 07/30/2009 <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/A 04/12/2010 <0.50 <0.50 <0.50 Sampling Annual in May 2010 MRP <br /> M-32A PDB 74.5 02/02/2006 17 4.5 8.4 <br /> PDB 79.5 02/02/2006 16 4 8 <br /> PDB 84.5 02/02/2006 17 4.6 7 <br /> PDB 74.5 04/18/2006 18 4.2 9 <br /> PDB 74.5 07/19/2006 18 3.5 7.5 <br /> PDB 74.5 10/18/2006 17 4 8 <br /> PDB 74.5 10/18/2006 17 4 7.3 DUP <br /> PDB 74.5 02/28/2007 16 3.9 5.6 <br /> PDB 74.5 04/26/2007 15 2.7 4.3 <br /> - 04/26/2007 16 3 4.2 DUP <br /> PDB 74.5 07/05/2007 10 1.5 3.6 <br /> PDB 86.5 10/11/2007 1.4 <0.5 0.61 <br /> PDB 74.5 NR 02/27/2008 5.1 2 3.5 <br /> PDB 74.5 NR 04/22/2008 6.7 1.4 4.1 <br /> PDB 74.5 NR 07/18/2008 5.9 1.5 3.2 <br /> PDB 74.5 NR 10/16/2008 4.4 0.99 2.3 <br /> PDB 74.5 NR 01/30/2009 3.9 1.2 1.9 <br /> - 01/30/2009 4.6 1.2 1.8 DUP <br /> PDB 74.5 NR 04/28/2009 5.1 1.4 2.3 <br /> Page 29 of 93 <br />