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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 04/01/1997 11 330 <0.5 CF:0.9 <br /> Purge 05/01/1998 9 1700 <0.5 1,2-DCA:0.8;CF:1.0 <br /> Purge 10/07/1998 3.7 500 <0.5 1,4-Diox:<2.5;CF:0.6 <br /> Purge 10/07/1998 3.8 480 <0.5 DUP2;CF:0.6 <br /> Purge 04/09/1999 4.5 420 <0.5 <br /> Purge 10/13/1999 3.4 210 <0.5 <br /> Purge 04/10/2000 8.3 180 <0.5 CF:2 <br /> Purge 04/10/2000 8.4 180 <0.5 DUP 3;CF:2 <br /> Purge 07/10/2000 7.1 320 <0.5 CF:1.2 <br /> Purge 10/11/2000 5.7 100 <0.5 CF:1.2 <br /> Purge 04/12/2001 2.7 160 <2.0 CF:2.7 <br /> Purge 10/11/2001 4.2 1300 <0.5 CM:2.2;1,1-DCA:1.3;PCE:1.1;CF:19 <br /> Purge 05/09/2002 3 1100 <0.5 PCE:1.5;CF:2.8 <br /> Purge 05/09/2002 3.4 1200 <0.5 PCE:1.5,DUP;CF:2.6 <br /> As of July 2005: NR(c) <br /> EE-1 Purge 10/07/1998 <0.5 31 <0.5 <br /> Purge 04/11/2000 <0.5 <0.5 <0.5 1,1-DCA:2.8;CHBr3:2.7;CF:16 <br /> Purge 07/11/2000 <0.5 1.1 <0.5 CHBr3:1.7;11-DCA:1.4;CF:4.6 <br /> As of July 2005: NR(c) <br /> EI-1 <br /> (Extraction Well) Purge 01/01/1993 418 3700 <0.5 extraction well; PCE:1.5; 1,1-DCE:23 <br /> Purge 04/01/1993 38 240 <0.5 extraction well;CF:4.1 <br /> Purge 08/01/1993 6.8 88 <0.5 extraction well;CF:26 <br /> Purge 01/01/1994 18 1790 <0.5 extraction well; PCE:1.4;CF:4.7 <br /> Purge 10/01/1996 13 860 0.9 extraction well;CF:1.6 <br /> Purge 10/07/1998 11 360 <0.5 extraction well;CF:4.1 <br /> Purge 04/11/2000 11 85 0.6 <br /> Purge 07/11/2000 5.6 90 <0.5 CF:1.5 <br /> Purge 07/24/2002 1.1 330 <0.5 PCE:0.5;CF:0.5 <br /> Purge 10/10/2002 <0.5 210 <0.5 <br /> Purge 01/26/2004 5 41 <0.5 CF:1.5 <br /> Purge 04/26/2004 4.5 40 0.9 <br /> Purge 07/20/2004 6 40 0.9 CF:2.7 <br /> Purge 10/19/2004 6.1 40 1 CF:1.1 <br /> Purge 01/25/2005 4.4 28 1.2 CF:1.1 <br /> Purge 05/05/2005 3.2 23 0.82 CF:1.1 <br /> Grab 02/16/2006 4 20 0.66 CF:1.1 <br /> Grab 05/29/2006 2.1 10 0.66 CF:1.1 <br /> Grab 07/19/2006 2.3 30 <0.5 1,1-DCA:0.67;CF:2.8 <br /> Grab Q(c)(d)(SA) 10/10/2006 2.5 140 <2 1,1-DCA:2.1;CF:5.9 <br /> 02/22/2007 2.7 150 <1 1,1-DCA:1.9;CF:8.5,DUP <br /> Grab Q(c)(d) 02/22/2007 2.7 150 <1 1,1-DCA:1.9;CF:8.3 <br /> Grab Q(c)(d) 05/10/2007 2.6 130 <1 CF:10;1,1-DCA:1.8 <br /> Grab Q(c)(d) 07/03/2007 2 130 <1 CF:9.8;1,1-DCA:1.6 <br /> Grab Q(c)(d) 11/13/2007 1.9 90 <1 CF:10;1,1-DCA:1.3 <br /> Grab Q(d) 02/05/2008 2.1 89 <1 CF:10;1,1-DCA:1.3 <br /> Grab Q(d) 04/22/2008 0.65 15 <0.5 CF:12;1,1-DCA:1.5 <br /> PDB 101.5 Q(d) 07/28/2008 1 8 <0.5 CF:7.8;1,1-DCA:2.3 <br /> PDB 106.5 Q(d) 07/28/2008 1.2 8.8 <0.5 CF:8.9;1,1-DCA:2.8 <br /> PDB 111.5 Q(d) 07/28/2008 1.2 8.9 <0.5 CF:8.3;1,1-DCA:2.8 <br /> PDB 116.5 Q(d) 07/28/2008 1.5 10 <0.5 CF:6.9;1,1-DCA:13.6 <br /> PDB 116.5 Q(d) 11/25/2008 1.5 12 <0.5 CF:2.6;1,1-DCA:2.7 <br /> PDB 116.5 Q(d) 02/09/2009 1.5 11 <0.5 1,1-DCA:2.4 <br /> PDB 116.5 Q(d) 04/30/2009 1.2 6.8 <0.5 1,1-DCA:0.76 <br /> PDB 116.5 Q(d) 07/29/2009 0.78 6 <0.5 1,1-DCA:0.57 <br /> PDB 116.5 Q(d) 10/26/2009 1.1 6.2 <0.5 1,1-DCA:0.79 <br /> PDB 116.5 Q(d) 01/18/2010 1.3 9.7 <0.50 <br /> PDB 116.5 Q(d) 04/19/2010 0.84 5.3 <0.50 CF:9.5 <br /> PDB 116.5 SA 10/21/2010 1.5 11 <0.50 CF:1.4; <br /> - 10/21/2010 1.5 10 <0.50 CF:3.2;Duplicate <br /> PDB 116.5 SA 11/09/2010 1.3 9.1 <0.50 CF:7.9; <br /> EU-1 Purge - 03/01/1992 20 1580 <0.5 CF:1.9 <br /> Purge 01/01/1993 3.7 750 <0.5 CF:0.7 <br /> Purge 01/01/1993 51 6200 <0.5 PCE:1.9;CF:6.3 <br /> Purge 04/01/1993 16 960 <0.5 CF:2.1 <br /> Purge 04/01/1993 3.8 520 <0.5 <br /> Purge 08/01/1993 12 910 <0.5 CF:1.5 <br /> Purge 01/01/1994 18 1840 <0.5 PCE:1; 1,1,1-TCA:3.3;CF:3.5 <br /> Page 3 of 93 <br />