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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 182.5 SA 10/26/09 <0.50 4.1 <0.50 <br /> PDB 182.5 SA 04/12/10 0.51 1.3 <0.50 <br /> PDB 182.5 SA 10/15/10 0.54 1.2 <0.50 <br /> PDB 182.5 SA 04/11/11 0.73 1.5 <0.50 <br /> PDB 182.5 SA 10/28/11 1.3 1.6 <0.50 <br /> PDB 182.5 SA 04/11/12 1.9 2.2 <0.50 <br /> PDB 182.5 SA 10/16/12 3.0 2.7 <0.50 <br /> PDB 182.5 SA 04/23/13 4.6 3.4 <0.50 <br /> - 04/23/13 4.8 3.4 <0.50 Duplicate Sample; <br /> PDB 182.5 SA 10/10/13 3.9 2.9 <0.50 <br /> M-6C1 Purge - 06/01/88 <50 1200 <50 <br /> Pure 03/01/89 <5 160 <5 <br /> Purge 03/01/89 <5 160 <5 Duplicate Sample; <br /> Pure 11/01/89 <5 81 <5 <br /> Purge 03/01/90 12 180 <5 <br /> Pure 07/01/90 42 360 <0.50 <br /> Purge 09/01/90 24.6 186 <0.50 <br /> Pure 12/01/90 17 131 <0.50 <br /> Purge 04/01/91 17 55 <0.50 CF:7.5 <br /> Pure 07/01/91 62 17 <0.50 t-1,2-DCE:0.8 <br /> Purge 10/01/91 57 270 <0.50 1,1-DCE:0.6,t-1,2-DCE:0.5,Tol:6.7;CF:1.8 <br /> Pure 03/01/92 62 265 <0.50 t-1,2-DCE:0.5;CF:1.6 <br /> Purge 06/01/92 62 404 <0.50 t-1,2-DCE:0.7 <br /> Pure 10/01/92 <0.50 <0.50 <0.50 1,1,1-TCA:268,MC:54 <br /> Purge 01/01/93 23 215 <0.50 CF:7.6 <br /> Pure 04/01/93 30 190 <0.50 1,1-DCE:0.8 <br /> Purge 08/01/93 13 71 <0.50 <br /> Pure 01/01/94 17 124 <0.50 <br /> Purge 03/01/95 2 110 <0.50 <br /> Pure 04/01/96 28 100 <0.50 <br /> Purge 04/01/97 8.1 66 <0.50 <br /> Pure 05/01/98 3.2 32 <0.50 1,4-Diox:<1.7 <br /> Purge 04/08/99 43 49 <0.5 <br /> Pure 04/17/00 14 33 <0.50 <br /> Purge 04/13/01 <2.0 7.5 <2.0 <br /> Pure 05/06/02 2.5 17 <0.50 <br /> Purge 05/07/03 41 270 <0.50 <br /> Purge - 04/24/04 54 260 <0.50 1,1-DCE:0.6 <br /> PDB 131.5 04/26/05 47 160 2.3 <br /> PDB 136.5 04/26/05 43 140 2.5 <br /> PDB 131.5 A 04/18/06 38 98 <2 <br /> PDB 131.5 A 05/10/07 47 66 0.79 1,1-DCE:0.56 <br /> PDB 131.5 A 04/28/08 34 80 5.5 <br /> PDB 131.5 A 11/05/08 44 76 2.9 1,1-DCE:0.53 <br /> PDB 131.5 A 04/30/09 42 150 <1.0 <br /> PDB 131.5 A 04/26/10 41 180 0.55 <br /> PDB 131.5 A 08/02/10 38 130 0.89 <br /> - 08/02/10 39 130 <2.0 Duplicate Sample; <br /> PDB 131.5 SA 10/21/10 38 110 <2.0 <br /> PDB 131.5 SA 04/08/11 46 120 6.0 1,1-DCE:0.54 <br /> PDB 131.5 SA 10/24/11 54 110 <0.50 <br /> PDB 131.5 SA 05/17/12 54 91 <0.50 1,1-DCE:0.53; <br /> PDB 131.5 SA 10/10/12 47 100 <0.50 1,1-DCE:0.52; <br /> PDB 131.5 SA 04/12/13 64 84 <0.50 1,1-DCE:0.54; <br /> PDB 131.5 SA 10/10/13 54 120 <0.50 1,1-DCE:0.50; <br /> M-6C2 Purge - 03/01/89 32 68 <5 MC:7.4 <br /> Purge 11/01/89 33 41 <0.50 <br /> Pure 03/01/90 33 49 <0.50 <br /> Purge 07/01/90 35 52 <0.50 <br /> Pure 09/01/90 <0.50 <0.50 <0.50 <br /> Purge 12/01/90 43 42 <0.50 <br /> Pure 04/01/91 55 37 <0.50 <br /> Purge 07/01/91 59 35 <0.50 <br /> Pure 10/01/91 94 47 <0.50 Tol:0.8;CF:1.8 <br /> Purge 03/01/92 67 53 <0.50 <br /> Pure 06/01/92 90 62 <0.50 <br /> Purge 10/01/92 57 52 <0.50 <br /> Pure 01/01/93 30 35 <0.50 <br /> Purge 01/01/93 34 50 <0.50 Duplicate Sample;CF:3 <br /> Pure 04/01/93 36 31 <0.50 <br /> Page 43 of 115 <br />