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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 /> Purge 01/01/93 33 224 <0.50 CF:2.2 <br /> Pure 04/01/93 50 280 <0.50 1,1-DCE:7 <br /> Purge 08/01/93 15 120 <0.50 <br /> Pure 01/01/94 41 205 <0.50 1,1-DCE:0.6 <br /> Purge 05/01/94 45 220 6.7 1,1-DCE:0.9 <br /> Pure 03/01/95 28 150 <0.50 CF:0.8 <br /> Purge 04/01/96 48 240 <0.50 CF:0.8 <br /> Pure 04/01/96 52 14 <0.50 Duplicate Sample;CF:0.9 <br /> Purge 04/01/97 21 65 <0.50 <br /> Pure 07/01/97 2 91 <0.50 CF:1.6 <br /> Purge 07/01/97 14 220 <0.50 Duplicate Sample; <br /> Pure 05/01/98 10 49 <0.50 <br /> Purge 04/08/99 6.8 33 <0.5 <br /> Pure 04/08/99 6.4 31 <0.5 Duplicate Sample; <br /> Purge 04/10/00 41 75 0.8 1,1-DCE:0.6;CF:1.2 <br /> Pure 04/10/00 42 75 0.9 Duplicate Sample;5;1,1-DCE:0.6;CF:1.4 <br /> Purge 07/10/00 57 40 <0.50 CCL4:0.8;CF:1.7 <br /> Pure 04/11/01 36 10 <2.0 Tol.3.5 <br /> Purge 05/09/02 23 29 <0.50 PCE:0.5 <br /> Pure 05/05/03 51 110 0.8 <br /> Purge - 04/23/04 42 96 1.6 <br /> PDB 92.5 04/26/05 19 57 0.83 <br /> PDB 97.5 04/26/05 19 56 0.82 <br /> PDB 102.5 04/26/05 19 58 0.77 <br /> PDB 107.5 04/26/05 20 55 0.81 <br /> PDB 102.5 A 04/18/06 11 29 <0.50 <br /> PDB 107.5 A 05/10/07 17 62 <0.50 <br /> PDB 107.5 A 04/28/08 6.8 57 <0.50 <br /> PDB 107.5 A 10/28/08 12 59 0.75 <br /> PDB 107.5 A 04/30/09 9.9 61 <0.50 <br /> Low-flow purge 107.5 A 04/26/10 16 72 0.9 <br /> Low-flow pure 107.5 SA 08/02/10 13 65 0.62 <br /> PDB 107.5 SA 10/21/10 19 86 1.4 <br /> PDB 107.5 SA 04/08/11 16 66 0.57 <br /> PDB 107.5 SA 10/24/11 13 60 <0.50 <br /> PDB 107.5 SA 05/17/12 7.6 43 <0.50 <br /> PDB 107.5 SA 10/10/12 9.9 46 <0.50 <br /> PDB 107.5 SA 04/12/13 9 36 <0.50 <br /> PDB 107.5 SA 10/10/13 6.3 28 <0.50 <br /> M-613 Purge - 10/01/87 <0.50 27 <0.50 <br /> Purge 06/01/88 NA 72 <5 <br /> Pure 03/01/89 <5 300 <5 <br /> Purge 04/01/91 <5 400 <5 <br /> Pure 07/01/91 <5 210 <5 <br /> Purge 03/01/92 4.6 1900 <5 CF:2.2 <br /> Pure 01/01/93 2.7 3470 <5 CF:1.8 <br /> Purge 01/01/94 4 1210 <0.50 CF:1.6 <br /> Pure 05/01/94 2.8 1400 <0.50 CF:1.2 <br /> Purge 03/01/95 3.9 1920 <0.50 CF:1.7 <br /> Pure 04/01/96 6.5 2600 <0.50 CF:1.7 <br /> Purge 04/01/97 4 1100 <0.50 CF:0.8 <br /> Pure 07/01/97 2.7 600 <0.50 MC:0.7;CF:0.7 <br /> Purge 07/01/97 2.6 <50 <0.50 Duplicate Sample;CF:0.7 <br /> Pure 05/01/98 5.6 1000 <0.50 CF:1.1 <br /> Purge 04/07/99 6.9 540 <0.5 CF:1.4 <br /> Pure 04/18/00 6.1 590 <0.50 CF:1.2 <br /> Purge 04/18/00 6.3 620 <0.50 Duplicate Sample;2;CF:1.3 <br /> Pure 04/11/01 <2.0 170 <2.0 <br /> Purge 05/09/02 4.5 420 <0.50 CF:0.7 <br /> Pure 05/09/02 4.3 410 <0.50 Duplicate Sample;CF:0.6 <br /> Purge 04/29/03 5.1 570 <0.50 CF:0.7 <br /> Purge - 04/16/04 2.6 400 <0.50 CF:0.8 <br /> PDB 30.5 04/26/05 <2.5 220 <2.5 <br /> PDB 35.5 04/26/05 <2.5 220 <2.5 <br /> PDB 40.5 04/26/05 <2.5 230 <2.5 <br /> Purge - 05/17/05 <2.5 210 <2.5 <br /> PDB 40.5 A 04/18/06 <2.5 150 <2.5 <br /> PDB 40.5 A 05/10/07 <2 230 <2 <br /> - 05/10/07 <2 240 <2 Duplicate Sample; <br /> PDB 40.5 A 04/28/08 <1.0 120 <1.0 <br /> Page 15 of 115 <br />