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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 130.5 A 04/19/06 7 <1.0 82 <br /> PDB 125.5 A 04/26/07 1.6 <1.0 120 <br /> PDB 125.5 A 04/22/08 1.4 <1.0 100 <br /> PDB 125.5 A 11/05/08 64 14 65 t-1,2-DCE:0.75;1,1-DCE:0.79 <br /> PDB 125.5 A 04/10/09 23 1.6 81 t-1,2-DCE:0.70; <br /> Low flow pure 125.5 A 04/27/10 41 13 41 <br /> Low flow purge 125.5 A 08/03/10 40 11 30 <br /> PDB 125.5 A 04/11/11 30 4.8 45 <br /> PDB 125.5 A 05/17/12 2.5 0.50 2.2 <br /> PDB 125.5 A 04/22/13 0.72 <0.50 0.68 <br /> M-1801 Purge - 11/01/89 <0.50 4.1 <0.50 CF:8.1 <br /> Pure 03/01/90 22 7.2 <0.50 <br /> Purge 07/01/90 25 8.8 <0.50 <br /> Pure 09/01/90 39.8 33.8 <0.50 1,2-DCB:1.4,1,4-DCB:1.6 <br /> Purge 12/01/90 17 10.8 <0.50 1,2,3-TCB:2.5,1,2,4-TCB:1.6 <br /> Pure 04/01/91 10 2.2 <0.50 <br /> Purge 07/01/91 19 5.7 <0.50 <br /> Pure 10/01/91 51 11 <0.50 <br /> Purge 03/01/92 48 12 <0.50 <br /> Pure 03/01/92 43 11 <0.50 Duplicate Sample;CF:1.4 <br /> Purge 06/01/92 58 15 <0.50 <br /> Pure 10/01/92 28 12 <0.50 <br /> Purge 01/01/93 9.3 3.9 <0.50 CF:0.6 <br /> Pure 04/01/93 13 4.9 <0.50 CF:1.8 <br /> Purge 08/01/93 6.7 2.2 <0.50 CF:3.7 <br /> Pure 01/01/94 15 5.8 <0.50 CF:1.6 <br /> Purge 01/01/94 9 3.5 <0.50 Duplicate Sample;CF:1.5 <br /> Pure 04/01/96 <0.50 3.5 <0.50 1,1-DCE:6.6 <br /> Purge 04/01/97 11 4.1 <0.50 MC:0.9 <br /> Pure 04/28/98 5.4 2.8 <0.50 <br /> Purge 04/08/99 10 4.8 <0.5 <br /> Pure 04/11/00 7.3 3 <0.50 <br /> Purge 04/11/01 <2.0 <2.0 <2.0 Tol:2.1 <br /> Pure 05/07/02 8.2 3.6 <0.50 <br /> Purge 05/05/03 38 16 <0.50 <br /> Purge - 04/21/04 35 17 <0.50 <br /> PDB 131.5 04/20/05 46 21 <0.50 1,1-DCE:0.70 <br /> PDB 136.5 04/20/05 44 22 <0.50 1,1-DCE:0.64 <br /> PDB 141.5 04/20/05 44 23 <0.50 1,1-DCE:0.67 <br /> PDB 141.5 04/20/05 47 23 <0.50 Duplicate Sample;1,1-DCE:0.69 <br /> PDB 146.5 04/20/05 45 21 <0.50 1,1-DCE:0.66 <br /> Purge - 05/12/05 43 22 <0.50 1,1-DCE:0.71 <br /> PDB 141.5 A 05/03/06 43 22 <0.50 1,1-DCE:0.53 <br /> PDB 141.5 A 04/25/07 35 19 <0.50 <br /> PDB 141.5 A 04/24/08 22 13 <0.50 <br /> PDB 141.5 A 04/10/09 15 12 <0.50 <br /> PDB 141.5 A 04/19/10 13 9.7 <0.50 <br /> PDB 141.5 A 04/11/11 19 12 <0.50 <br /> PDB 141.5 A 04/10/12 17 9.4 <0.50 <br /> PDB 141.5 A 04/23/13 41 19 <0.50 1,1-DCE:0.54; <br /> M-1901 Purge - 11/01/89 7.1 5 <0.50 <br /> Pure 03/01/90 12 9.6 <0.50 <br /> Purge 03/01/90 7.2 5.4 <0.50 Duplicate Sample; <br /> Pure 07/01/90 17.2 12.6 <0.50 <br /> Purge 12/01/90 16.8 14.2 <0.50 <br /> Pure 04/01/91 16 8.7 <0.50 <br /> Purge 07/01/91 55 22 <0.50 <br /> Pure 10/01/91 42 19 <0.50 CF:1.7 <br /> Purge 10/01/91 42 19 <0.50 Duplicate Sample;CF:1.7 <br /> Pure 03/01/92 80 43 <0.50 <br /> Purge 06/01/92 90 57 <0.50 <br /> Pure 10/01/92 83 57 <0.50 <br /> Purge 01/01/93 <0.50 7.1 <0.50 <br /> Pure 04/01/93 62 47 <0.50 1,1-DCE:0.7;CF:1.7 <br /> Purge 08/01/93 66 48 <0.50 1,1-DCE:0.9 <br /> Pure 01/01/94 98 71 <0.50 1,1-DCE:1.5 <br /> Purge 04/01/96 30 48 <0.50 <br /> Pure 04/01/97 0.5 1 <0.50 <br /> Purge 08/04/98 <0.50 1.1 <0.50 <br /> NS 06/21/99 NS NS NS not sampled-well underneath asphalt <br /> Page 50 of 115 <br />