ARCHIVED REPORTS_2010 ANNUAL REPORT

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Appendix B: Historical Analytical Results for Volatile Organic Compounds 2010 Annual Report Former Nestle USA, Inc. Facility, Ripon, CA USEPA Method 8010,8021,8260 or 524 in micrograms per liter(ppb) Well Name/ Sampling Method Average PDB Current Location (Purge/PDB) Depth(ft bgs) Sampling Sample Date cis-1,2-DCE TCE VC Comments/Other Detected VOC's Fre uenc Q 01/13/1997 NA 3.3 6.3 Q 04/01/1997 <0.5 <0.5 <0.5 Q 04/23/1997 8.2 NA NA Q 04/25/1997 7.5 NA NA Q 05/05/1997 7.3 3.9 NA Q 06/02/1997 7.9 3.4 NA Q 06/30/1997 NA 7.8 4.1 Q 07/07/1997 7.7 NA NA Q 08/04/1997 7.5 NA NA Q 09/08/1997 9 NA NA Q 10/06/1997 9.2 NA NA Q 11/01/1997 4.9 3.3 <0.5 Q 12/15/1997 7.7 4.5 NA 1,2-Dibromo-3-chloropropane:0.18 Q 03/16/1998 4.5 2.7 NA 1,2-Dibromo-3-chloropropane:0.08 Q 03/26/1998 4.1 2.8 NA 1,2-Dibromo-3-chloropropane:0.02 Q 04/29/1998 9.8 8.3 <0.5 Q 06/09/1998 6.2 3.9 NA Q 09/24/1998 6.1 3.6 NA 1,2-Dibromo-3-chloropropane:0.09 Q 10/07/1998 7.3 4.8 <0.5 Q 12/07/1998 5.8 3.8 NA 1,2-Dibromo-3-chloropropane:0.08 Q 01/06/1999 7.6 4.8 <0.5 Q 04/08/1999 3.6 2.2 <0.5 Q 07/14/1999 <0.5 <0.5 <0.5 Q 07/15/1999 6.2 3.9 NA 1,2-Dibromo-3-chloropropane:0.09 Q 09/23/1999 6.9 4 NA Q 10/08/1999 <0.5 <0.5 <0.5 Q 12/16/1999 7.1 5.2 NA Q 01/19/2000 7.6 4.7 <0.5 Q 03/30/2000 7.2 4.2 NA 1,2-Dibromo-3-chloropropane:0.09 Q 04/18/2000 7.6 4.9 <0.5 Q 06/07/2000 6.4 3.9 NA 1,2-Dibromo-3-chloropropane:0.07 Q 07/12/2000 7 4.4 <0.5 Q 09/18/2000 0.53 NA NA Q 10/12/2000 8.2 4.8 <0.5 Q 01/08/2001 <1 <1 <1 Q 04/09/2001 3.6 2.1 <2 Q 07/10/2001 5.6 4 <0.5 Q 10/10/2001 8.3 4.1 <0.5 Q 01/23/2002 1.4 0.7 <0.5 Q 04/29/2002 6.4 3.5 0.6 Methylene Chloride:0.9 Q 08/02/2002 6.7 3.4 0.4 Q 10/04/2002 6 3.5 0.3 Q 01/27/2003 6.2 2.7 0.1 Q 05/02/2003 6.2 3.4 0.3 Q 07/21/2003 5.2 3.2 0.4 Q 10/28/2003 5.1 3.5 0.3 Q 01/19/2004 5.5 3.4 0.2 Q 04/12/2004 5.2 3.5 0.3 Q 01/24/2005 9 4.8 <0.1 Q 10/12/2005 4.9 2.7 0.31 CF:0.2 Q 01/23/2006 4.2 2.2 0.19 CF:0.15 Q 04/10/2006 3.8 2.4 0.18 CF:0.19 Q 07/20/2006 4.6 2.6 0.33 CF:0.22 Q 10/17/2006 4 2.3 0.23 CF:0.2 Q 02/23/2007 4 2.2 0.2 CF:0.2 Q 04/27/2007 3.9 2.2 0.2 CF:0.19 Q 07/11/2007 3.8 2.1 0.19 CF:0.16 Q 01/27/2009 2.9 1.6 0.35 1,1-DCE:0.13 01/27/2009 3 1.6 0.35 1,1-DCE:0.13;DUP Q 04/17/2009 - - - Not Operational Q 07/24/2009 Not Operational Q 10/23/2009 Not Operational Q(d) 01/19/2010 Not Operational Q(d) 04/13/2010 Not Operational Purge Q(d) 07/29/2010 2.1 1.2 0.22 1,1-DCE:0.10 Purge Q(d) 10/22/2010 <0.50 <0.50 <0.50 Analysis by 8260; Purge Q(d) 10/22/2010 0.21 0.14 <0.10 Analysis by 524.2; MW-9M NR 02/26/1999 <0.5 <0.5 <0.5 Sampling Not Required Page 68 of 93