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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 /> Frequency <br /> Vapor Extraction Well <br /> VE-6 Purge 02/04/1998 <0.5 <0.5 <0.5 CF:210 <br /> (Vapor Well) Purge 05/01/1998 <0.5 <0.5 <0.5 CF:90 <br /> Purge 07/16/1998 <0.5 <0.5 <0.5 CF:80 <br /> Purge 10/06/1998 <0.5 <0.5 <0.5 CF:73 <br /> Purge 01/05/1999 <0.5 <0.5 <0.5 CF:91 <br /> Purge 04/07/1999 <0.5 <0.5 <0.5 CF:79 <br /> Purge 07/20/1999 <0.5 <0.5 <0.5 CF:68 <br /> Purge 10/11/1999 <0.5 <0.5 <0.5 CF:35 <br /> Purge 01/20/2000 <0.5 <0.5 <0.5 CF:72 <br /> Purge 04/18/2000 <0.5 <0.5 <0.5 CF:38 <br /> Purge 07/13/2000 <0.5 <0.5 <0.5 CF:44 <br /> Purge 10/11/2000 <0.5 <0.5 <0.5 CF:42 <br /> Purge 01/10/2001 <1.0 <1.0 <1.0 CF:44 <br /> Purge 04/16/2001 <2.0 <2.0 <2.0 CF:24 <br /> Purge 07/12/2001 <0.5 <0.5 <0.5 CF:34 <br /> Purge 07/12/2001 <0.5 <0.5 <0.5 CF:37;DUP <br /> Purge 10/10/2001 <0.5 <0.5 <0.5 CF:43 <br /> Purge 01/23/2002 <0.5 <0.5 <0.5 CF:44 <br /> Purge 05/09/2002 <0.5 <0.5 <0.5 CF:29 <br /> Purge 10/10/2002 <0.5 <0.5 <0.5 CF:16 <br /> Purge 05/05/2003 <0.5 <0.5 <0.5 CF:7.1 <br /> Purge 10/29/2003 <0.5 <0.5 <0.5 CF:7.8 <br /> Purge 04/14/2004 <0.5 <0.5 <0.5 CF:8.4 <br /> Purge 10/13/2004 <0.5 <0.5 <0.5 CF:3.6 <br /> Purge - 10/13/2004 <0.5 <0.5 <0.5 CF:3.4;DUP <br /> PDB 32.1 04/22/2005 <0.5 <0.5 <0.5 CF:4.8 <br /> PDB 37.1 04/22/2005 <0.5 <0.5 <0.5 CF:5.1 <br /> PDB 37.1 10/28/2005 <0.5 <0.5 <0.5 CF:12 <br /> PDB 37.1 10/28/2005 <0.5 <0.5 <0.5 CF:9.4;DUP <br /> PDB 37.1 04/18/2006 <0.5 <0.5 <0.5 CF:6.3 <br /> PDB 37.1 SA 10/18/2006 <0.5 <0.5 <0.5 CF:9.7 <br /> PDB 37.1 SA 05/10/2007 <0.5 <0.5 <0.5 CF:9.1 <br /> PDB 37.1 SA 10/10/2007 <0.5 <0.5 <0.5 CF:7.3 <br /> PDB 37.1 SA 05/19/2008 <0.5 <0.5 <0.5 CF:4.9 <br /> PDB 37.1 SA 11/25/2008 <0.5 <0.5 <0.5 CF:4.9 <br /> PDB 37.1 SA 04/28/2009 <0.5 <0.5 <0.5 CF:5.0 <br /> PDB 37.1 SA 04/28/2009 <0.5 <0.5 <0.5 CF:4.9;DUP <br /> PDB 37.1 SA 10/26/2009 <0.5 <0.5 <0.5 CF:4.1 <br /> Well Properly Decommissioned in December 2009 <br /> Upper Aquifer <br /> E-2 Purge - 10/04/1999 2 45 <0.5 <br /> (Extraction Well) Purge 10/28/1999 4.7 130 <0.5 <br /> Purge 11/12/1999 6.6 140 <0.5 <br /> Purge 12/09/1999 6.5 140 <0.5 <br /> Purge 01/17/2000 8.3 150 0.7 <br /> Purge 02/04/2000 8.3 140 1.5 CF:0.6 <br /> Purge 03/10/2000 4.1 82 <0.5 <br /> Purge 04/07/2000 8.4 75 2 <br /> Purge 05/12/2000 8 88 1.7 <br /> Purge 06/08/2000 9.6 120 4.1 CF:0.8 <br /> Purge 07/17/2000 9.7 100 2.4 CF:0.5 <br /> Purge 08/04/2000 11 88 2.8 <br /> Purge 09/07/2000 6.6 58 1.9 <br /> Purge 10/09/2000 16 120 6.4 <br /> Purge 10/25/2000 14 100 5.8 <br /> Purge 11/06/2000 14 87 3.8 <br /> Purge 11/29/2000 5.8 50 2.5 <br /> Purge 12/04/2000 4 54 1.9 <br /> Purge 03/05/2001 6.2 23 <0.5 <br /> Purge 04/02/2001 4.3 51 <2.0 <br /> Purge 07/09/2001 12 86 3 <br /> Purge 08/13/2001 12 72 2.5 <br /> Purge 09/10/2001 13 62 3.6 <br /> Purge 10/03/2001 8.3 59 3.5 <br /> Purge 11/05/2001 12 52 3.4 <br /> Purge 12/03/2001 3.9 33 <0.5 <br /> Purge 01/07/2002 3.3 27 0.7 <br /> Purge 02/04/2002 13 55 2.1 <br /> Page 1 of 93 <br />