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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 03/04/2002 14 370 <0.5 CF:2.2 <br /> Purge 04/01/2002 13 360 <0.5 CF:1.8 <br /> Purge 05/06/2002 12 390 <0.5 CF:2.1 <br /> Purge 06/06/2002 14 410 <0.5 CF:2 <br /> Purge 07/08/2002 15 400 <0.5 PCE:0.6;CF:2.3 <br /> Purge 08/05/2002 16 400 <0.5 CM:0.7;CF:2.1 <br /> Purge 09/05/2002 13 240 <0.5 CF:1.6 <br /> Purge 10/07/2002 14 410 <0.5 CF:2.6 <br /> Purge 11/04/2002 12 330 <0.5 CF:3.4 <br /> Purge 12/03/2002 11 350 <0.5 CF:3.3 <br /> Purge 02/13/2003 11 360 <0.5 CF:3.3 <br /> Purge 03/28/2003 1.6 360 <0.5 <br /> Purge 04/07/2003 14 370 <0.5 CF:1.9 <br /> Purge 04/29/2003 11 360 <0.5 CF:5 <br /> Purge 06/24/2003 11 280 <0.5 1,1-DCA:0.8;CF:5.2 <br /> Purge 07/21/2003 9.8 250 <0.5 1,1-DCA:0.7;CF:5.6 <br /> Purge 08/18/2003 11 220 <0.5 1,1-DCA:0.7;CF:5.1 <br /> Purge 09/29/2003 13 250 <0.5 1,1-DCA:0.6;CF:4.2 <br /> Purge 10/09/2003 14 380 <0.5 1,1-DCA:0.5;CF:3.9 <br /> Purge 10/27/2003 12 330 <0.5 1,1-DCA:0.6;CF:4.4 <br /> Purge 10/30/2003 12 330 <0.5 1,1-DCA:0.6;CF:4.4 <br /> Purge 11/06/2003 10 240 <0.5 1,1-DCA:0.5;CF:3.3 <br /> Purge 12/10/2003 11 270 <0.5 CF:4.4 <br /> Purge 01/26/2004 10 280 <0.5 CF:4.2 <br /> Purge 02/09/2004 10 290 <0.5 CF:4.5 <br /> Purge 03/15/2004 9.8 290 <0.5 CF:4.2 <br /> Purge 04/26/2004 9.9 240 <0.5 CF:5.6 <br /> Purge 05/13/2004 10 270 <0.5 1,1-DCA:0.9;CF:6.2 <br /> Purge 06/30/2004 8.4 210 <0.5 CF:5.2 <br /> Purge 07/19/2004 10 200 <0.5 1,1-DCA:0.9;CF:4.9 <br /> Purge 08/06/2004 12 190 <0.5 1,1-DCA:0.7;CF:4.1 <br /> Purge 09/20/2004 8.6 180 <0.5 1,1-DCA:0.6;CF:4.2 <br /> Purge 10/19/2004 8.4 190 <0.5 1,1-DCA:0.6;CF:4.2 <br /> Purge 10/29/2004 8.8 200 <0.5 1,1-DCA:0.6;CF:4.4 <br /> Purge 11/08/2004 8.8 200 <0.5 1,1-DCA:0.6;CF:4.4 <br /> Purge 12/27/2004 10 260 <0.5 1,1-DCA:0.7;CF:4.1 <br /> Purge 01/10/2005 8.1 210 <0.5 1,1-DCA:0.7;CF:4.7 <br /> Purge 02/09/2005 7.3 200 <0.5 1,1-DCA:0.9;CF:4.4 <br /> Purge 03/17/2005 7.2 180 <1.0 CF:4.1 <br /> NS 04/30/2005 - - No sample April 2005,new system installation <br /> Purge 05/05/2005 4.6 170 <1.0 CF:2.7 <br /> Purge 10/31/2005 - - - System Shutdown,pilot test by Geomatrix <br /> Purge 11/30/2005 - - - System Shutdown,pilot test by Geomatrix <br /> Grab 02/06/2006 5.3 110 <1 1,1-DCA:1.4;CF:4.5; System influent sample <br /> represents EW-1(EI-1 not operating). <br /> Grab 04/18/2006 5.3 110 <1 Influent treatment system(EW-1)data.1,1- <br /> DCA:1.4;CF:4 <br /> Grab 07/19/2006 5.5 160 <2 CF:4.6 <br /> Grab Q 10/10/2006 10 210 <2.5 <br /> Grab Q 02/22/2007 10 280 <2.0 <br /> 02/22/2007 10 290 <2.0 DUP <br /> Grab Q 05/10/2007 11 270 <2.0 <br /> Grab Q 07/03/2007 9.5 270 <2.5 <br /> 07/03/2007 9.6 280 <2.5 DUP <br /> Grab Q 11/13/2007 10 270 <2.5 <br /> Grab Q 02/05/2008 11 280 <5 <br /> Grab Q 04/22/2008 8.5 220 <5 <br /> Grab Q 07/22/2008 8.1 320 <2 <br /> Grab Q 11/07/2008 7.6 220 <2 <br /> Grab Q 02/24/2009 8.4 230 <2.5 CF:1.7;1,1-DCA:0.95 <br /> Grab Q 04/24/2009 8.4 170 <2 <br /> Grab Q 07/29/2009 6.2 140 <0.5 CF:8.0;1,1-DCA:1.5 <br /> Grab Q 10/26/2009 6.3 130 <0.5 CF:7.6;1,1-DCA:1.7 <br /> Grab Q 10/26/2009 6.2 120 <0.5 CF:7.6;1,1-DCA:1.7;DUP <br /> Grab Q 01/28/2010 9.5 130 <0.50 CF:5.3;1,1-DCA:1.4 <br /> Grab Q 01/28/2010 9 120 <0.50 CF:5.0;1,1-DCA:1.4;DUP <br /> Grab Q 04/12/2010 10 100 <0.50 CF:5.0;1,1-DCA:1.2 <br /> Grab SA 08/03/2010 6 76 <0.50 CF:7.9;1,1-DCA:1.1 <br /> Grab SA 11/08/2010 13 93 <0.50 CF:3.6;1,1-DCA:1.6 <br /> Page 6 of 93 <br />