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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 /> Q 07/12/2000 <0.5 <0.5 <0.5 <br /> Q 10/12/2000 <0.5 0.8 <0.5 <br /> Q 01/08/2001 <1 <1 <1 <br /> Q 04/09/2001 <2 <2 <2 <br /> Q 07/10/2001 <0.5 0.8 <0.5 <br /> Q 10/10/2001 <0.5 0.8 <0.5 <br /> Q 01/23/2002 <0.5 0.9 <0.5 <br /> Q 04/29/2002 <0.5 0.8 <0.1 <br /> Q 08/02/2002 <0.5 0.8 <0.1 <br /> Q 10/04/2002 <0.5 <0.5 <0.1 Bromoform:0.7 <br /> Q 07/21/2003 <0.5 0.6 <0.1 <br /> Q 10/28/2003 <0.5 <0.5 <0.1 Bromoform:1.1 <br /> Q 01/19/2004 0.7 <0.5 <0.1 CF:0.7,Bromoform:1.1 <br /> Q 04/12/2004 <0.5 <0.5 <0.1 <br /> Q 07/12/2004 <0.5 <0.5 <0.1 <br /> Q 10/11/2004 <0.5 <0.5 <0.1 Bromoform:0.8 <br /> Q 01/24/2005 <0.5 <0.5 <0.1 Bromoform:1 <br /> Q 10/12/2005 <0.10 <0.10 <0.10 Bromoform:0.25,Dibromochloromethane:0.11 <br /> Q 01/23/2006 <0.10 <0.10 <0.10 CF:0.21,Bromoform:0.56, <br /> Di bro mach lorom eth a n e:0.13 <br /> Q 04/10/2006 0.13 <0.10 <0.10 Bromoform:0.68,Dibromochloromethane-.0.24 <br /> Q 07/20/2006 <0.1 <0.1 <0.1 Bromoform:0.84,Dibromochloromethane-.0.17 <br /> Q 10/17/2006 <0.1 <0.1 <0.1 Bromoform:0.46,Dibromochloromethane-.0.14 <br /> Q 02/23/2007 0.33 <0.1 <0.1 Bromoform:0.55,Dibromochloromethane-.0.17 <br /> Q 04/27/2007 0.17 <0.1 <0.1 Bromoform:2.0,Dibromochloromethane-.0.27 <br /> Q 07/11/2007 0.21 <0.1 <0.1 Bromoform:0.4,Dibromochloromethane-.0.115 <br /> Q 10/23/2007 0.89 <0.1 <0.1 Bromoform:1.9,Dibromochloromethane-.0.42 <br /> Q 02/05/2008 <0.1 <0.1 <0.1 Bromoform:4.9,Dibromochloromethane-.0.24 <br /> Q 05/01/2008 <0.1 <0.1 <0.1 Bromoform:0.32 <br /> Q 07/24/2008 <0.1 <0.1 <0.1 Bromoform:0.24 <br /> Q 10/31/2008 <0.1 <0.1 <0.1 Bromoform:0.59 <br /> Q 01/27/2009 <0.1 <0.1 <0.1 n:ti. tii ti n nn o. F . <br /> Q 04/17/2009 <0.1 <0.1 <0.1 Dibromochloromethane:0.20;Bromoform:0.76 <br /> Q 07/24/2009 <0.1 <0.1 <0.1 Bromoform:0.33 <br /> Q 10/23/2009 <0.1 <0.1 <0.1 Dibromochloromethane:0.29,Bromoform:1.5 <br /> Purge Q 01/19/2010 <0.10 <0.10 <0.10 CF:0.3;Bromodichloromethane:0.63; <br /> Dibromochloromethane:1.3;Bromofrom:2.5 <br /> Purge Q 04/13/2010 <0.10 <0.10 <0.10 Dibromochloromethane:0.17;Bromoform:0.80 <br /> Purge Q(d) 07/29/2010 <0.10 <0.10 <0.10 Dibromochloromethane:0.13;Bromoform:0.61 <br /> Purge Q(d) 10/22/2010 <0.50 <0.50 <0.50 Analysis by 8260; <br /> Purge Q(d) 10/22/2010 <0.10 <0.10 <0.10 Dibromochloromethane:0.15,Bromoform:0.66; <br /> Analysis by 524.2; <br /> MW-8 NR 11/01/1988 <0.5 <0.5 <0.5 <br /> NR 08/01/1991 <0.5 <0.5 <0.5 <br /> NR 10/01/1991 <0.5 <0.5 <0.5 <br /> NR 03/01/1992 <0.5 <0.5 <0.5 <br /> Well Decommissioned June 22,2001 <br /> MW-9 Q 07/01/1990 <0.5 <0.5 <0.5 <br /> Q 09/01/1990 <0.5 <0.5 <0.5 <br /> Q 12/01/1990 <0.5 <0.5 <0.5 <br /> Q 04/01/1991 <0.5 <0.5 <0.5 <br /> Q 07/01/1991 <0.5 <0.5 <0.5 <br /> Q 10/01/1991 <0.5 <0.5 <0.5 <br /> Q 03/01/1992 <0.5 <0.5 <0.5 <br /> Q 06/01/1992 <0.5 <0.5 <0.5 <br /> Q 06/01/1992 <0.5 <0.5 <0.5 <br /> Q 10/01/1992 <0.5 <0.5 <0.5 <br /> Q 10/01/1992 <0.5 <0.5 <0.5 <br /> Q 01/01/1993 <0.5 <0.5 <0.5 <br /> Q 01/01/1993 <0.5 <0.5 <0.5 <br /> Q 08/01/1993 1.5 1.6 <0.5 <br /> Q 01/01/1994 <0.5 <0.5 <0.5 <br /> Q 07/01/1994 1.1 1.1 <0.5 <br /> Q 10/01/1994 3.9 3.9 <0.5 <br /> Q 03/01/1995 <0.5 <0.5 <0.5 <br /> Q 10/01/1995 <0.5 <0.5 <0.5 <br /> Q 07/31/1996 NA 0.85 NA <br /> Q 10/01/1996 3.4 2.4 <0.5 <br /> Q 10/23/1996 NA 3.2 NA <br /> Page 67 of 93 <br />