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Appendix B: Historical Analytical Results for Volatile Organic Compounds <br /> 2013 Annual Report <br /> Former Nestle USA, Inc. Facility, Ripon, CA <br /> USEPA Methods 8010,8021,8260 and 524 in micrograms per liter lµg/L) <br /> Well Sampling Average PDB Current MRP <br /> Name Method Depth(ft bgs) Sampling Sample Date cis-1,2-DCE TCE VC Comments/Other Detected VOC's <br /> Frequency <br /> PDB 144.5 04/19/05 73 28 74 1,1-DCE:0.80;t-1,2-DCE:1.5 <br /> PDB 149.5 04/19/05 70 28 72 1,1-DCE:0.74;t-1,2-DCE:1.4 <br /> PDB 154.5 04/19/05 70 28 72 1,1-DCE:0.76;t-1,2-DCE:1.2 <br /> PDB 159.5 04/19/05 72 30 75 1,1-DCE:0.81;t-1,2-DCE:1.4 <br /> PDB 159.5 10/27/05 73 29 68 1,1-DCE:0.91;t-1,2-DCE:1.1 <br /> PDB 159.5 04/18/06 44 17 60 1,1-DCE:0.53;t-1,2-DCE:0.66 <br /> PDB 159.5 SA 10/18/06 32 13 28 <br /> PDB 159.5 SA 04/25/07 26 9.9 21 <br /> PDB 159.5 SA 10/10/07 19 7.5 19 <br /> PDB 159.5 SA 04/28/08 17 6.3 15 <br /> PDB 159.5 SA 11/06/08 14 4.9 12 <br /> PDB 159.5 SA 04/10/09 12 4.9 8.1 <br /> PDB 159.5 SA 10/26/09 21 8.4 19 <br /> PDB 159.5 SA 04/28/10 9.3 3.6 4.6 <br /> - 04/28/10 10 3.8 5.4 Duplicate Sample; <br /> PDB 159.5 SA 08/05/10 12 4.1 12 <br /> PDB 159.5 SA 10/21/10 17 6.2 12 <br /> PDB 159.5 SA 04/12/11 36 15 24 t-1,2-DCE:0.58 <br /> PDB 159.5 SA 10/24/11 25 9.2 15 <br /> PDB 159.5 SA 05/18/12 36 13 19 1,1-DCE:0.54; t-1,2-DCE:0.79 <br /> PDB 159.5 SA 10/10/12 37 15 15 1,1-DCE:0.50; t-1,2-DCE:0.64 <br /> PDB 159.5 SA 04/12/13 31 10 19 <br /> PDB 159.5 SA 10/08/13 39 13 16 t-1,2-DCE:0.60; <br /> M-10C1 Purge - 11/01/89 <0.50 <0.50 <0.50 <br /> Purge 03/01/90 <0.50 <0.50 <0.50 <br /> Pure 07/01/90 <0.50 <0.50 <0.50 <br /> Purge 09/01/90 <0.50 <0.50 <0.50 <br /> Pure 12/01/90 <0.50 <0.50 <0.50 <br /> Purge 04/01/91 <0.50 <0.50 <0.50 <br /> Pure 07/01/91 2.1 <0.50 <0.50 <br /> Purge 10/01/91 1.9 <0.50 <0.50 <br /> Pure 03/01/92 2.2 <0.50 <0.50 CF:0.5 <br /> Purge 06/01/92 2.2 <0.50 <0.50 <br /> Pure 10/01/92 1.6 <0.50 <0.50 <br /> Purge 10/01/92 2.4 <0.50 <0.50 Duplicate Sample; <br /> Pure 01/01/93 <0.50 <0.50 <0.50 <br /> Purge 04/01/93 0.9 0.5 <0.50 <br /> Pure 04/01/93 0.8 <0.50 <0.50 Duplicate Sample; <br /> Purge 08/01/93 1.1 <0.50 <0.50 <br /> Pure 08/01/93 1 <0.50 <0.50 Duplicate Sample; <br /> Purge 01/01/94 2.7 1 <0.50 <br /> Pure 05/01/94 1.9 <0.50 <0.50 <br /> Purge 07/01/94 1.8 <0.50 <0.50 <br /> Pure 10/01/94 3.4 1.8 <0.50 <br /> Purge 03/01/95 0.8 <0.50 <0.50 Iso-benzene:3.6,Tol:0.9 <br /> Pure 07/01/95 0.9 <0.50 <0.50 <br /> Purge 10/01/95 0.9 3.9 <0.50 <br /> Pure 01/01/96 1.37 0.8 <0.50 CF:0.6 <br /> Purge 04/01/96 2.6 0.6 <0.50 <br /> Pure 07/01/96 0.7 <0.50 <0.50 <br /> Purge 10/01/96 3.8 0.8 <0.50 <br /> Pure 01/01/97 1.8 0.8 <0.50 <br /> Purge 04/01/97 <0.50 <0.50 <0.50 <br /> Pure 04/01/97 0.6 <0.50 <0.50 Duplicate Sample; <br /> Purge 04/01/97 <0.50 <0.50 1.2 Duplicate Sample; <br /> Pure 07/01/97 <0.50 <0.50 <0.50 <br /> Purge 07/01/97 <0.50 2.1 <0.50 Duplicate Sample; <br /> Pure 11/01/97 <0.50 1.1 <0.50 <br /> Purge 02/04/98 <0.50 <0.50 <0.50 <br /> Pure 02/04/98 <0.50 <0.50 <0.50 Duplicate Sample;l <br /> Purge 05/01/98 <0.50 0.6 <0.50 <br /> Pure 07/16/98 <0.50 <0.50 <0.50 <br /> Purge 10/07/98 <0.50 <0.50 <0.50 <br /> Pure 01/05/99 0.9 0.5 <0.50 <br /> Purge 04/09/99 <0.5 <0.5 <0.5 <br /> Pure 07/20/99 <0.50 <0.50 <0.50 <br /> Purge 10/07/99 <0.5 <0.5 <0.5 <br /> Pure 01/21/00 <0.50 <0.50 <0.50 <br /> Purge 01/21/00 <0.50 <0.50 <0.50 Duplicate Sample; <br /> Pure 04/12/00 <0.50 <0.50 <0.50 <br /> Page 45 of 115 <br />