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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 04/14/00 58 48 <0.50 CF:1.1 <br /> Pure 07/13/00 43 34 <0.50 CF:0.7 <br /> Purge 10/11/00 48 37 <0.50 1,1-DCE:0.5;CF:1.3 <br /> Pure 01/09/01 32 23 <1.0 <br /> Purge 04/13/01 17 13 <2.0 <br /> Pure 07/11/01 61 38 <0.50 <br /> Purge 10/11/01 66 36 <0.50 CM:1.1,t1,2 DCE:0.6 <br /> Pure 01/23/02 46 25 <0.50 <br /> Purge 05/09/02 27 16 <0.50 <br /> Pure 04/29/03 92 62 <0.50 <br /> Purge - 04/26/04 89 54 <0.50 1,1-DCE:0.8 <br /> PDB 150.5 04/27/05 44 96 <0.50 1,1-DCA:1.4,1,1-DCE:0.71;CF:4.6 <br /> PDB 150.5 04/27/05 47 99 <0.50 Duplicate Sample;1,1-DCA:1.4,1,1-DCE:0.73;CF:5;t-1,2- <br /> DCE:0.55 <br /> PDB 155.5 04/27/05 45 91 <0.50 1,1-DCA:1.3,1,1-DCE:0.59;CF:4.7;t-1,2-DCE:1.2 <br /> PDB 150.5 A 04/18/06 15 29 <0.50 CF:1 <br /> PDB 150.5 A 05/10/07 8.2 9.3 <0.50 <br /> PDB 150.5 A 04/28/08 8.8 14 <0.50 <br /> PDB 150.5 A 04/30/09 10 8.8 <0.50 <br /> Low flow pure 150.5 A 04/26/10 9.3 15 <0.50 <br /> Low flow purge 150.5 A 08/03/10 11 13 <0.50 <br /> PDB 150.5 A 04/08/11 20 14 <0.50 <br /> PDB 150.5 A 05/17/12 32 21 <0.50 <br /> PDB 150.5 A 04/23/13 39 27 <0.50 1,1-DCE:0.61; <br /> M-2502 Purge - 06/03/99 30 10 <0.5 <br /> Pure 07/16/99 49 14 <0.50 CF:1 <br /> Purge 10/15/99 54 16 <0.5 <br /> Pure 01/21/00 52 15 <0.50 <br /> Purge 04/14/00 50 15 <0.50 CF:1 <br /> Pure 07/13/00 37 11 <0.50 CF:0.7 <br /> Purge 10/11/00 54 14 <0.50 CF:1.2 <br /> Pure 01/09/01 48 12 <1.0 <br /> Purge 01/09/01 52 13 <1.0 Duplicate Sample; <br /> Pure 04/13/01 31 6.4 <2.0 <br /> Purge 07/11/01 53 13 <0.50 <br /> Pure 10/11/01 51 13 <0.50 CM:0.6 <br /> Purge 01/23/02 57 14 <0.50 <br /> Pure 05/09/02 55 16 <0.50 <br /> Purge 04/29/03 59 15 <0.50 <br /> Purge - 04/26/04 65 17 <0.50 <br /> PDB 178.5 04/27/05 12 4.9 41 <br /> PDB 178.5 04/27/05 11 5.4 39 Duplicate Sample; <br /> PDB 183.5 04/27/05 13 5.7 43 <br /> Purge - 05/10/05 57 19 <0.50 <br /> PDB 183.5 A 04/18/06 47 12 <0.50 <br /> PDB 183.5 A 05/10/07 42 13 <0.50 <br /> PDB 183.5 A 04/28/08 31 9.4 <0.50 <br /> PDB 183.5 A 04/30/09 17 4.8 <0.50 <br /> PDB 183.5 A 04/26/10 18 6.4 <0.50 <br /> PDB 183.5 A 08/03/10 18 5.6 <0.50 <br /> PDB 183.5 A 04/08/11 30 12 <0.50 <br /> PDB 183.5 A 05/17/12 32 13 <0.50 <br /> PDB 183.5 A 04/23/13 59 22 <0.50 1,1-DCE:0.57; <br /> M-2602 Purge - 11/28/00 1.8 <0.50 <0.50 From ERM report <br /> Purge 01/10/01 5 1.3 <1.0 <br /> Pure 04/10/01 4.4 <2.0 <2.0 <br /> Purge 04/10/01 4.4 <2.0 <2.0 Duplicate Sample;#9 <br /> Pure 07/11/01 15 2.9 1 <br /> Purge 10/09/01 9.5 2.5 <0.50 <br /> Pure 10/09/01 12 2.5 <0.50 Duplicate Sample; <br /> Purge 01/21/02 <0.50 <0.50 <0.50 <br /> Pure 05/08/02 5.3 1.8 <0.50 <br /> Purge 07/24/02 3.1 0.7 <0.50 <br /> Pure 07/24/02 3.7 0.8 <0.50 Duplicate Sample; <br /> Purge 10/07/02 5 1.3 <0.50 <br /> Pure 01/31/03 3.9 0.8 <0.50 <br /> Purge 01/31/03 3.9 0.9 <0.50 Duplicate Sample; <br /> Pure 05/01/03 8.1 1.9 <0.50 <br /> Purge 07/22/03 3.2 0.8 <0.50 <br /> Pure 07/22/03 3.5 0.8 <0.50 Duplicate Sample; <br /> Page 54 of 115 <br />