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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 /> (d) 05/01/2008 <0.5 <0.5 <0.5 <br /> (d) 07/24/2008 <0.5 <0.5 <0.5 <br /> (d) 10/31/2008 <0.5 <0.5 <0.5 <br /> (d) 01/27/2009 <0.5 <0.5 <0.5 <br /> (d) 04/17/2009 <0.5 <0.5 <0.5 <br /> (d) 07/24/2009 <0.5 <0.5 <0.5 <br /> (d) 10/23/2009 <0.5 <0.5 <0.5 <br /> Purge (d) 01/19/2010 <0.50 <0.50 <0.50 <br /> Purge (d) 04/13/2010 <0.50 <0.50 <0.50 <br /> Purge Q(d) 07/29/2010 <0.50 <0.50 <0.50 <br /> Purge Q(d) 10/22/2010 <0.50 <0.50 <0.50 <br /> MW-6 Q(d) 05/01/1986 NA 0.7 NA <br /> Q(d) 11/01/1988 0.7 1.4 <0.5 <br /> Q(d) 07/01/1989 1.2 <0.5 <0.5 <br /> Q(d) 11/01/1989 <0.5 1.8 <0.5 <br /> Q(d) 03/01/1990 1.5 1 <0.5 <br /> Q(d) 07/01/1990 2.6 <0.5 <0.5 CF:2 <br /> Q(d) 09/01/1990 4.2 1.9 <0.5 <br /> Q(d) 12/01/1990 <0.5 3.3 <0.5 <br /> Q(d) 04/01/1991 3.9 2.2 <0.5 <br /> Q(d) 07/01/1991 6.4 1.8 <0.5 <br /> Q(d) 08/01/1991 5.1 1.9 <0.5 <br /> Q(d) 10/01/1991 1.1 2.6 <0.5 <br /> Q(d) 03/01/1992 13 3.4 <0.5 <br /> Low Flow at 108 feet 07/20/2009 21 11 <0.5 <br /> Low Flow at 142 feet 07/20/2009 36 16 <0.5 <br /> Low Flow at 207 Feet 07/20/2009 35 16 <0.5 <br /> Well Decommissioned July 2009 <br /> MW-7 Q 11/01/1988 <0.5 <0.5 <0.5 <br /> Q 07/01/1989 <0.5 <0.5 <0.5 <br /> Q 11/01/1989 <0.5 <0.5 <0.5 <br /> Q 03/01/1990 <0.5 <0.5 <0.5 <br /> Q 07/01/1990 <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 08/01/1991 <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(d) 06/01/1992 12 3.4 <0.5 <br /> Q 06/01/1992 <0.5 <0.5 <0.5 <br /> Q(d) 10/01/1992 7.7 3.8 <0.5 <br /> Q 10/01/1992 <0.5 <0.5 <0.5 <br /> Q(d) 01/01/1993 6.4 6.7 <0.5 <br /> Q 01/01/1993 <0.5 <0.5 <0.5 <br /> Q(d) 04/01/1993 11 9.9 <0.5 <br /> Q 04/01/1993 <0.5 <0.5 <0.5 <br /> Q 08/01/1993 <0.5 <0.5 <0.5 <br /> Q 01/01/1994 <0.5 <0.5 <0.5 PCE:1.5 <br /> Q 07/01/1994 <0.5 <0.5 <0.5 <br /> Q 03/01/1995 <0.5 <0.5 <0.5 <br /> Q 10/01/1995 <0.5 0.7 <0.5 <br /> Q 04/01/1996 <0.5 1 <0.5 <br /> Q 06/28/1996 NA 1.8 NA 1,2-Dibromo-3-chloropropane:0.01 <br /> Q 10/01/1996 <0.5 0.9 <0.5 <br /> Q 10/31/1996 NA 1.2 NA <br /> Q 06/30/1997 NA 0.84 NA 1,2-Dibromo-3-chloropropane:0.13 <br /> Q 11/01/1997 <0.5 3.2 <0.5 <br /> Q 12/15/1997 NA 1.3 NA 1,2-Dibromo-3-chloropropane:0.14 <br /> Q 04/29/1998 <0.5 1.8 <0.5 <br /> Q 06/09/1998 NA 0.78 NA 1,2-Dibromo-3-chloropropane:0.13 <br /> Q 10/07/1998 <0.5 <0.5 <0.5 <br /> Q 12/07/1998 NA 0.74 NA 1,2-Dibromo-3-chloropropane:0.01 <br /> Q 01/06/1999 <0.5 <0.5 <0.5 <br /> Q 04/08/1999 <0.5 0.8 <0.5 <br /> Q 07/14/1999 <0.5 0.7 <0.5 <br /> Q 10/08/1999 <0.5 1 <0.5 <br /> Q 01/19/2000 <0.5 0.8 <0.5 <br /> Q 04/18/2000 <0.5 <0.5 <0.5 <br /> Page 66 of 93 <br />