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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 187.5 Q 02/26/2008 4.8 2 0.63 <br /> PDB 187.5 Q 04/22/2008 13 3.7 1.2 <br /> PDB 187.5 Q 07/18/2008 23 6.3 2.4 <br /> PDB 187.5 Q 10/17/2008 21 6.3 2.4 <br /> PDB 187.5 Q 02/09/2009 9.3 2.9 1.2 <br /> PDB 187.5 Q 04/30/2009 11 3 1.6 <br /> PDB 187.5 Q 07/29/2009 6.4 1.5 <0.5 <br /> PDB 187.5 Q 10/26/2009 6.0 1.5 0.81 <br /> PDB 187.5 Q 01/18/2010 4.7 1.4 0.77 <br /> Low flow purge 187.5 Q 04/27/2010 4.0 1 0.97 <br /> Low flow purge 187.5 Q 08/05/2010 7.5 2 1.2 <br /> PDB 187.5 Q 10/21/2010 8.2 2.5 0.63 <br /> M-27C(a.k.a.M- Purge - 11/28/2000 <0.5 <0.5 <0.5 From ERM report <br /> 27A/C) <br /> Purge 01/09/2001 <1.0 <1.0 <1.0 <br /> Purge 04/16/2001 <2.0 <2.0 <2.0 <br /> Purge 04/16/2001 <2.0 <2.0 <2.0 DUP#8 <br /> Purge 07/12/2001 <0.5 <0.5 <0.5 <br /> Purge 07/12/2001 <0.5 <0.5 <0.5 DUP <br /> Purge 10/09/2001 <0.5 <0.5 <0.5 <br /> Purge 01/21/2002 <0.5 <0.5 <0.5 <br /> Purge 05/07/2002 0.8 <0.5 <0.5 <br /> Purge 05/07/2002 0.5 <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 DUP <br /> Purge 10/28/2003 <0.5 <0.5 <0.5 <br /> Purge 01/21/2004 <0.5 <0.5 <0.5 <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 10/12/2004 <0.5 <0.5 <0.5 DUP <br /> Purge - 01/28/2005 <0.5 <0.5 <0.5 <br /> PDB 124.5 04/27/2005 <0.5 <0.5 <0.5 <br /> PDB 129.5 04/27/2005 <0.5 <0.5 <0.5 <br /> PDB 134.5 04/27/2005 <0.5 <0.5 <0.5 <br /> PDB 139.5 04/27/2005 <0.5 <0.5 <0.5 <br /> PDB 134.5 08/24/2005 <0.5 <0.5 <0.5 <br /> PDB 134.5 10/28/2005 <0.5 <0.5 <0.5 <br /> PDB 134.5 01/26/2006 <0.5 <0.5 <0.5 <br /> PDB 134.5 05/03/2006 <0.5 <0.5 <0.5 <br /> PDB 134.5 07/19/2006 <0.5 <0.5 <0.5 DUP <br /> PDB 134.5 07/19/2006 <0.5 <0.5 <0.5 <br /> PDB 134.5 Q 10/17/2006 <0.5 <0.5 <0.5 <br /> PDB 134.5 Q 02/26/2007 <0.5 <0.5 <0.5 <br /> PDB 134.5 Q 04/25/2007 <0.5 <0.5 <0.5 <br /> PDB 134.5 Q 07/03/2007 <0.5 <0.5 <0.5 <br /> PDB 134.5 Q 10/10/2007 <0.5 <0.5 <0.5 <br /> PDB 134.5 Q 03/27/2008 <0.5 <0.5 <0.5 <br /> PDB 134.5 Q 04/24/2008 <0.5 <0.5 <0.5 <br /> PDB 134.5 Q 07/21/2008 <0.5 <0.5 <0.5 <br /> PDB 134.5 Q 10/17/2008 <0.5 <0.5 <0.5 1,1-13CE:0.53 <br /> PDB 134.5 Q 01/30/2009 <0.5 <0.5 <0.5 <br /> PDB 134.5 Q 04/10/2009 <0.5 <0.5 <0.5 <br /> PDB 134.5 Q 07/29/2009 <0.5 <0.5 <0.5 <br /> PDB 134.5 Q 10/26/2009 <0.5 <0.5 <0.5 1,1-DCE:0.56 <br /> PDB 134.5 Q 01/14/2010 <0.50 <0.50 <0.50 1,1-DCE:0.55 <br /> PDB 134.5 Q 04/12/2010 <0.50 <0.50 <0.50 <br /> PDB 134.5 Q 07/08/2010 <0.50 <0.50 <0.50 <br /> PDB 134.5 Q 10/15/2010 <0.50 <0.50 <0.50 <br /> M-28C <br /> (a.k.a.M-28A/C) Purge - 11/28/2000 <0.5 <0.5 <0.5 From ERM report <br /> Purge 11/28/2000 <0.5 <0.5 <0.5 DUP <br /> Purge 01/09/2001 <1.0 <1.0 <1.0 <br /> Purge 04/16/2001 <2.0 <2.0 <2.0 <br /> Page 47 of 93 <br />