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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 /> Bi-weekly 09/07/2005 9.8 5.2 0.63 1,1-DCE:0.2;t-1,2-DCE:0.1
<br /> Bi-weekly 09/22/2005 9.6 5 0.63 1,1-DCE:0.2
<br /> Bi-weekly 10/19/2005 9.7 4.9 0.6 1,1-DCE:0.2
<br /> Bi-weekly 12/07/2005 10 5.3 0.58 1,1-DCE:0.2;t-1,2-DCE:0.1
<br /> Bi-weekly 01/11/2006 20 9.3 2 1,1-DCE:0.2;t-1,2-DCE:0.4
<br /> Bi-weekly 02/06/2006 19 9.7 2.6 1,1-DCE:0.2;t-1,2-DCE:0.4
<br /> Bi-weekly 03/02/2006 20 10 2.5 1,1-DCE:0.2;t-1,2-DCE:0.4
<br /> Bi-weekly 04/12/2006 21 11 2.4 1,1-DCE:0.2;t-1,2-DCE:0.3
<br /> Bi-weekly 08/08/2006 14 7.2 1.1 1,1-DCE:0.3;t-1,2-DCE:0.1
<br /> Bi-weekly 09/12/2006 14 6.9 0.77 1,1-DCE:0.3;t-1,2-DCE:0.1
<br /> Bi-weekly 10/10/2006 15 7.4 0.96 1,1-DCE:0.2
<br /> Bi-weekly 11/14/2006 13 7.2 0.98 1,1-DCE:0.3
<br /> Bi-weekly 11/30/2006 13 7 1.3 1,1-DCE:0.3
<br /> Bi-weekly 12/12/2006 13 6.9 1.5 1,1-DCE:0.3
<br /> Bi-weekly 01/11/2007 14 7.5 1 1,1-13CE:0.31;t-1,2-DCE:0.13;1,4-
<br /> Dichlorobenzene:0.14
<br /> Bi-weekly 02/27/2007 14 6.8 1.3 1,1-13CE:0.29;t-1,2-DCE:0.13;1,4-
<br /> Dichlorobenzene:0.11
<br /> Bi-weekly 03/13/2007 14 6.7 0.66 1,1-13CE:0.24;t-1,2-DCE:0.12;1,4-
<br /> Dichlorobenzene:
<br /> ,4-
<br /> Dichlorobenzene:0.13
<br /> Bi-weekly 04/10/2007 13 6.6 0.91 1,1-DCE:0.22
<br /> Bi-weekly 05/08/2007 14 6.5 1.3 1,1-13CE:0.25;t-1,2-DCE:0.11;1,4-
<br /> Dichlorobenzene:0.11
<br /> Bi-weekly 06/13/2007 13 6.5 0.7 1,1-13CE:0.22;t-1,2-DCE:0.11;1,4-
<br /> Dichlorobenzene:0.11
<br /> Bi-weekly 07/10/2007 12 6.1 0.86 1,1-13CE:0.21;t-1,2-DCE:0.1;1,4-
<br /> Dichlorobenzene:
<br /> ,4-
<br /> Dichlorobenzene:0.10
<br /> Bi-weekly 08/07/2007 10 5.2 0.51 1,1-DCE:0.20
<br /> Bi-weekly 08/22/2007 9.4 4.6 0.4 1,1-DCE:0.14
<br /> Bi-weekly 09/05/2007 10 5.2 0.61 1,1-DCE:0.16;t-1,2-DCE:0.11
<br /> Bi-weekly 10/05/2007 9.4 4.8 0.5 1,1-DCE:0.15
<br /> Bi-weekly 11/12/2007 10 5 0.5 1,1-DCE:0.17
<br /> Bi-weekly 12/10/2007 8.9 4.4 0.3 1,1-DCE:0.14;
<br /> Bi-weekly 01/09/2008 8.6 4.3 0.27 1,1-DCE:0.15
<br /> Bi-weekly 02/14/2008 9.5 4.5 0.52 1,1-DCE:0.15;t-1,2-DCE:0.1
<br /> Bi-weekly 03/11/2008 10 4.7 0.42 1,1-DCE:0.17
<br /> Bi-weekly 04/08/2008 12 5.5 0.75 1,1-DCE:0.17;t-1,2-DCE:0.11
<br /> Bi-weekly 05/01/2008 10 5 0.94 1,1-DCE:0.17
<br /> Bi-weekly 06/03/2008 11 4.9 0.74 1,1-DCE:0.18;t-1,2-DCE:0.12
<br /> Bi-weekly 06/18/2008 10 4.9 0.8 1,1-DCE:0.19;t-1,2-13CE:0.13
<br /> Bi-weekly 08/05/2008 10 4.9 0.82 1,1-DCE:0.2;t-1,2-DCE:0.1
<br /> Bi-weekly 08/25/2008 9.7 4.6 0.67 1,1-DCE:0.2
<br /> Bi-weekly 09/09/2008 9.7 4.6 0.54 1,1-DCE:0.18;t-1,2-DCE:0.12
<br /> Bi-weekly 09/29/2008 9 4.4 0.5 1,1-DCE:0.14;
<br /> Bi-weekly 10/10/2008 9.1 4.4 0.46 1,1-DCE:0.14;
<br /> Bi-weekly 11/11/2008 9.7 4.7 0.4 1,1-DCE:0.13
<br /> Bi-weekly 12/12/2008 9.9 4.7 0.97 1,1-DCE:0.16
<br /> M(e) 01/06/2009 10 4.5 0.54 1,1-DCE:0.17;
<br /> M(e) 02/03/2009 11 5.1 0.33 1,1-13CE:0.17;t-1,2-DCE:0.1
<br /> M(e) 03/03/2009 13 5.4 0.43 1,1-13CE:0.19;t-1,2-DCE:0.11
<br /> M(e) 04/13/2009 12 5.8 2.9 1,1-DCE:0.18;t-1,2-DCE:0.14
<br /> M(e) 05/05/2009 13 5.6 3 1,1-13CE:0.25;t-1,2-DCE:0.15
<br /> M(e) 06/09/2009 11 5.4 0.98 1,1-13CE:0.21;t-1,2-DCE:0.12
<br /> M(e) 07/14/2009 9.7 4.0 0.74 1,1-13CE:0.19;t-1,2-DCE:0.14
<br /> M(e) 07/27/2009 10 4.8 1.1 1,1-DCE:0.21;t-1,2-DCE:0.14
<br /> M(e) 08/11/2009 8.4 3.5 0.50 1,1-DCE:0.15;
<br /> M(e) 09/08/2009 6.8 3.5 0.14 1,1-DCE:0.14;
<br /> M(e) 10/07/2009 9.6 4.6 1.2 1,1-DCE:0.18;
<br /> M(e) 10/23/2009 8.9 4.8 1.6 1,1-DCE:0.16;
<br /> M(e) 11/03/2009 9.6 4.6 0.46 1,1-DCE:0.18;
<br /> M(e) 12/08/2009 9.8 4.5 1.1 1,1-DCE:0.18;
<br /> M(e) 01/05/2010 9.1 4.4 0.2 1,1-DCE:0.14
<br /> M(e) 02/02/2010 9 4.4 0.44 1,1-DCE:0.14
<br /> M(e) 03/09/2010 10 5.5 2.2 1,1-DCE:0.15;t-DCE:0.12
<br /> M(e) 04/05/2010 8.2 4.4 0.2 1,1-DCE:0.14
<br /> M(e) 04/28/2010 <0.10 <0.10 <0.10
<br /> M(e) 05/04/2010 <0.10 <0.10 <0.10
<br /> M(e) 05/11/2010 <0.10 <0.10 0.29
<br /> Page 82 of 93
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