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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 10/01/96 <0.50 <0.50 <0.50 <br /> Pure 04/01/97 <0.50 <0.50 <0.50 <br /> Purge 11/01/97 <0.50 <0.50 <0.50 <br /> Pure 04/30/98 <0.50 <0.50 <0.50 <br /> Purge 04/07/99 <0.5 <0.5 <0.5 <br /> Pure 04/12/00 <0.50 <0.50 <0.50 <br /> Purge 04/10/01 <2.0 <2.0 <2.0 <br /> Pure 05/09/02 <0.50 <0.50 <0.50 <br /> Purge 05/07/03 NS NS NS <br /> Purge - 04/16/04 <0.50 <0.50 <0.50 <br /> PDB 113.3 04/22/05 0.53 <0.50 0.77 Actual depth is 113.3 ft bgs,not 113.5 ft bgs. <br /> PDB 118.3 04/22/05 0.63 <0.50 0.83 Actual depth is 118.3 ft bgs,not 118.5 ft bgs. <br /> PDB 123.3 04/22/05 0.61 <0.50 0.78 Actual depth is 123.3 ft bgs,not 123.5 ft bgs. <br /> PDB 128.3 04/22/05 0.7 <0.50 1.1 <br /> PDB 118.3 A 04/19/06 <0.50 <0.50 <0.50 <br /> PDB 128.3 A 04/26/07 <0.50 <0.50 <0.50 <br /> PDB 128.3 A 04/22/08 <0.50 <0.50 <0.50 <br /> - 04/22/08 <0.50 <0.50 <0.50 Duplicate Sample; <br /> PDB 128.3 A 04/28/09 <0.50 <0.50 <0.50 <br /> PDB 128.3 A 04/19/10 <0.50 <0.50 <0.50 <br /> PDB 128.3 A 04/11/11 <0.50 <0.50 <0.50 <br /> PDB 128.3 A 04/10/12 0.80 <0.50 0.70 <br /> PDB 128.3 A 04/23/13 <0.50 <0.50 <0.50 <br /> - 04/23/13 <0.50 <0.50 <0.50 Duplicate Sample; <br /> M-2401 March 3-4,1999 Simulprobe Groundwater Samples Collected during M-2401 Installation <br /> Pure 03/03/99 <0.5 <0.50 <0.5 30 feet bgs <br /> Purge 03/04/99 52 20 <0.5 90 feet bgs <br /> Pure 04/08/99 8.4 2.8 <0.5 <br /> Purge 04/08/99 8.1 2.7 <0.5 Duplicate Sample; <br /> Pure 07/20/99 11 2.9 <0.50 <br /> Purge 10/08/99 11 3 <0.50 <br /> Pure 01/20/00 11 2.8 <0.50 <br /> Purge 04/11/00 11 2.9 <0.50 <br /> Pure 07/13/00 8.7 2.4 <0.50 <br /> Purge 10/10/00 7.6 2.2 <0.50 <br /> Pure 01/09/01 9.1 2.1 <1.0 <br /> Purge 04/11/01 3.7 <2.0 <2.0 Tol:2.9 <br /> Pure 07/11/01 9.8 2.1 <0.50 CM:0.7 <br /> Purge 10/10/01 7 1.5 <0.50 CM:0.6 <br /> Pure 01/22/02 8.1 1.8 <0.50 <br /> Purge 05/07/02 7.7 1.8 <0.50 CM:1.0 <br /> Pure 05/05/03 8.3 2 <0.50 <br /> Purge - 04/16/04 14 4.2 <0.50 <br /> PDB 136.5 04/27/05 3 1.1 <0.50 <br /> PDB 141.5 04/27/05 2.2 0.92 <0.50 <br /> PDB 146.5 04/27/05 2.3 0.91 <0.50 <br /> Purge - 05/10/05 7.7 2 <0.50 <br /> PDB 136.5 A 04/19/06 0.91 <0.50 <0.50 <br /> PDB 136.5 A 04/26/07 7.9 2.7 <0.50 <br /> PDB 136.5 A 04/24/08 2.3 1 <0.50 <br /> PDB 136.5 A 04/10/09 6.8 2.4 <0.50 <br /> - 04/10/09 6.9 2.3 <0.50 Duplicate Sample; <br /> PDB 136.5 A 04/19/10 15 5.1 <0.50 <br /> PDB 136.5 A 04/12/11 19 6.5 <0.50 <br /> - 04/12/11 20 7.0 <0.50 Duplicate Sample; <br /> PDB 136.5 A 04/10/12 22 6.4 <0.50 <br /> PDB 136.5 A 04/23/13 54 15 <0.50 <br /> M-2501 June 1-3,1999 Simulprobe Groundwater Samples Collected during M-2501 Installation <br /> Purge - 06/01/99 <0.5 870 <0.5 38 feet bgs <br /> Pure 06/02/99 1.2 1400 <0.5 44 feet bgs <br /> Purge 06/02/99 6.5 6000 <0.5 56 feet bgs;CF:1.9 <br /> Pure 06/02/99 <0.5 640 <0.5 64 feet bgs <br /> Purge 06/03/99 <0.5 31 <0.5 74 feet bgs <br /> Pure 06/03/99 <0.5 210 <0.5 88 feet bgs;CF:0.9 <br /> Purge 06/03/99 1.4 170 <0.5 1,1-DCA:40,1,1-DCE:4.8;99 feet bgs;CF:90 <br /> Pure 06/08/99 0.7 4.3 <0.5 <br /> Purge 07/16/99 37 79 <0.50 <br /> Pure 07/16/99 40 78 <0.50 Duplicate Sample;CF:1.1 <br /> Purge 10/15/99 57 48 <0.50 <br /> Pure 01/21/00 72 77 <0.50 1,1-DCE:0.8 <br /> Page 53 of 115 <br />