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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 Q 04/10/2001 72 27 150 1,1-DCE:2.3,t-1,2-DCE:2.8
<br /> Purge Q 07/10/2001 130 42 150 t-1,2-DCE:1.5
<br /> Purge Q 10/09/2001 140 49 260 1,1-DCE:2.2,t-1,2-DCE:1.9
<br /> Purge Q 01/22/2002 120 41 150 1,1-DCE:1.4,t-1,2-DCE:2
<br /> Purge Q 05/08/2002 120 39 93 1,1-DCE:1.5,t-1,2-DCE:1.3
<br /> Purge Q 07/24/2002 140 52 180 1,1-DCE:1.8,t-1,2-DCE:2.4
<br /> Purge Q 10/08/2002 130 55 210 1,1-DCE:2,t-1,2-DCE:1.8
<br /> Purge Q 01/30/2003 120 36 170 1,1-DCE:1.5,t-1,2-DCE:1.7
<br /> Purge Q 03/12/2003 180 65 210 1,1-DCE:2.1,t-1,2-DCE:3
<br /> Purge Q 05/01/2003 170 64 200 1,1-DCE:2.1,t-1,2-DCE:2.5
<br /> Purge Q 07/22/2003 160 61 200 1,1-DCE:2,t-1,2-DCE:2.4
<br /> Purge Q 10/29/2003 170 65 270 1,1-DCE:2,t-1,2-DCE:2.8
<br /> Purge Q 01/22/2004 180 64 220 1,1-DCE:1.6,t-1,2-DCE:2.7
<br /> Purge Q 04/14/2004 160 58 190 1,1-DCE:1,t-1,2-DCE:2.3
<br /> Purge Q 07/14/2004 63 3.4 62 1,1-DCE:0.7,t-1,2-DCE:1
<br /> Purge Q 10/13/2004 190 72 180 1,1-DCE:2,t-1,2-DCE:2.9
<br /> Purge Q 01/25/2005 150 59 220 1,1-DCE:2.4,t-1,2-DCE:2.7
<br /> Purge Q 04/20/2005 72 1.7 57 1,1-DCE:0.72,t-1,2-DCE:0.98
<br /> Purge Q 01/25/2006 140 49 240 t-1,2-DCE:2.5
<br /> Purge Q 04/12/2006 150 57 260 1,1-DCE:2.1,t-1,2-DCE:2.6
<br /> Purge Q 07/19/2006 190 59 260 1,1-DCE:2.6,t-1,2-DCE:3.4
<br /> Purge Q 10/18/2006 140 49 170
<br /> Purge Q 02/22/2007 170 63 210 1,1-DCE:2.2
<br /> Purge Q 04/26/2007 180 55 230 1,1-DCE:2.6
<br /> Purge Q 07/11/2007 170 56 220 1,1-DCE:2.4
<br /> Purge Q 10/17/2007 150 47 210 1,1-DCE:2.4
<br /> Purge Q 01/30/2008 130 48 190 t-1,2-DCE:2.7
<br /> Purge Q 04/23/2008 170 61 250 1,1-DCE:2.5,t-1,2-DCE:3.1
<br /> Purge Q 07/16/2008 140 49 180 t-1,2-DCE:2.8
<br /> Purge Q 10/15/2008 120 48 190 t-1,2-DCE:2.5
<br /> Purge Q 11/11/2008 120 38 150 t-1,2-DCE:2.4
<br /> Purge Q 11/11/2008 120 39 150 DUP,t-1,2-DCE:2.2
<br /> Purge Q 01/14/2009 120 41 160 t-1,2-DCE:2.5
<br /> Purge Q 04/08/2009 120 36 160 t-1,2-DCE:2.5
<br /> Purge Q 07/22/2009 120 34 160 t-1,2-DCE:2.3
<br /> Purge - Q 10/07/2009 130 45 200 t-1,2-DCE:2.7
<br /> PDB 135.5 Q 02/12/2010 120 43 160 t-1,2-DCE:2.4;1,1-DCE:1.7
<br /> PDB 140.5 Q 02/12/2010 130 42 160 t-1,2-DCE:2.5;1,1-DCE:1.7
<br /> PDB 145.5 Q 02/12/2010 120 41 170 t-1,2-DCE:2.5;1,1-DCE:1.4
<br /> - 02/12/2010 140 46 220 t-1,2-DCE:2.7;1,1-DCE:1.6;DUP
<br /> PDB 150.5 Q 02/12/2010 140 47 190 t-1,2-DCE:2.7;1,1-DCE:1.9
<br /> PDB 155.5 Q 02/12/2010 120 41 180 t-1,2-DCE:2.5;1,1-DCE:1.5
<br /> PDB 155.5 Q 04/07/2010 140 51 160 t-1,2-DCE:2.5;
<br /> Low flow purge 155.5 Q 04/26/2010 140 47 170 t-1,2-DCE:2.4;1,1-DCE:2.1
<br /> PDB 155.5 Q 07/02/2010 130 36 140 t-1,2-DCE:2.4;1,1-DCE:1.5
<br /> Low flow purge 155.5 Q 08/03/2010 120 42 130 t-1,2-DCE:2.1;1,1-DCE:1.7
<br /> PDB 145.5 Q 12/02/2010 120 42 170 t-1,2-DCE:2.3;1,1-DCE:1.3
<br /> TH-11 Purge - NR 10/17/2007 28 7.6 18
<br /> Purge NR 04/23/2008 36 11 26 t-1,2-DCE:0.63
<br /> Purge NR 07/16/2008 23 7 12
<br /> Purge NR 10/15/2008 30 10 21 t-1,2-DCE:0.51
<br /> Purge NR 04/08/2009 17 43.6 9.2
<br /> Purge - NR 10/07/2009 26 7.8 18
<br /> PDB 175 SA 04/07/2010 24 7.8 11
<br /> PDB 175 SA 12/02/2010 11 4 5.5
<br /> Private Wells
<br /> 138 Parallel Grab Q 02/26/1999 <0.5 <0.5 <0.5 CF:4.2
<br /> Q 12/23/1999 <0.5 <0.5 <0.5 CF:1.7
<br /> Q 07/12/2000 <0.5 <0.5 <0.5 CF:5.8
<br /> Q 10/12/2000 <0.5 <0.5 <0.5 CF:13.0
<br /> Q 01/09/2001 <1 <1 <1 CF:11.0
<br /> Q 04/10/2001 <2 <2 <2 CF:6.4
<br /> Q 07/10/2001 <0.5 <0.5 <0.5 CF:17.0
<br /> Q 10/10/2001 <0.5 <0.5 <0.5 CF:16.0
<br /> Q 01/23/2002 <0.5 <0.5 <0.5 CF:31.0
<br /> Q 04/29/2002 <0.5 <0.5 <0.1 CF:22.0
<br /> Q 08/02/2002 <0.5 <0.5 <0.1 CF:13.0
<br /> Well Destroyed November 7,2002
<br /> 233 Parallel Grab NR 02/26/1999 3.4 5.4 <0.5
<br /> Page 74 of 93
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