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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 225.5 Q 07/29/09 26 45 <0.50 <br /> PDB 225.5 Q 10/26/09 25 46 <0.50 <br /> PDB 225.5 Q 01/18/10 25 46 <0.50 <br /> PDB 225.5 Q 04/19/10 20 41 <0.50 <br /> Low flow purge - Q 08/02/10 22 40 <0.50 <br /> - 08/02/10 22 40 <0.50 Duplicate Sample; <br /> PDB 225.5 Q 10/21/10 24 54 <0.50 <br /> - 10/21/10 24 53 <0.50 Duplicate Sample; <br /> PDB 225.5 Q 01/07/11 16 39 <0.50 <br /> - 01/07/11 15 38 <0.50 Duplicate Sample; <br /> PDB 225.5 Q 04/08/11 9.5 30 <0.50 <br /> - 04/08/11 9.6 30 <0.50 Duplicate Sample; <br /> PDB 225.5 Q 07/08/11 4.5 16 <0.50 <br /> - 07/08/11 4.7 17 <0.50 Duplicate Sample; <br /> PDB 225.5 Q 10/24/11 11 31 <0.50 <br /> - 10/24/11 11 31 <0.50 Duplicate Sample; <br /> PDB 225.5 Q 01/24/12 9.6 29 <0.50 <br /> - 01/24/12 9.5 29 <0.50 Duplicate Sample; <br /> PDB 225.5 Q 05/17/12 8.0 24 <0.50 <br /> - 05/17/12 8.1 25 <0.50 Duplicate Sample; <br /> PDB 225.5 Q 08/01/12 16 38 <0.50 <br /> PDB 225.5 Q 10/10/12 16 38 <0.50 <br /> PDB 225.5 Q 01/23/13 8 23 <0.50 <br /> PDB 225.5 Q 04/12/13 7 23 <0.50 <br /> PDB 225.5 Q 07/02/13 6 21 <0.50 <br /> PDB 225.5 Q 10/10/13 11 27 <0.50 <br /> M-8D Purge - 07/01/90 <0.50 <0.50 <0.50 <br /> Pure 09/01/90 <0.50 0.9 <0.50 <br /> Purge 12/01/90 <0.50 <0.50 <0.50 <br /> Pure 12/01/90 <0.50 <0.50 <0.50 Duplicate Sample; <br /> Purge 04/01/91 <0.50 <0.50 <0.50 <br /> Pure 07/01/91 <0.50 <0.50 <0.50 <br /> Purge 10/01/91 <0.50 <0.50 <0.50 <br /> Pure 03/01/92 <0.50 <0.50 <0.50 <br /> Purge 06/01/92 <0.50 <0.50 <0.50 <br /> Pure 10/01/92 <0.50 <0.50 <0.50 <br /> Purge 01/01/93 <0.50 3.1 <0.50 <br /> Pure 01/01/93 <0.50 1.5 <0.50 Duplicate Sample; <br /> Purge 04/01/93 <0.50 <0.50 <0.50 <br /> Pure 08/01/93 <0.50 <0.50 <0.50 <br /> Purge 01/01/94 <0.50 <0.50 <0.50 <br /> Pure 07/01/94 <0.50 <0.50 <0.50 <br /> Purge 03/01/95 <0.50 <0.50 <0.50 Iso-benzene:8.4,Tol:8 <br /> Pure 10/01/95 <0.50 <0.50 <0.50 <br /> Purge 04/01/96 <0.50 <0.50 <0.50 <br /> Pure 10/01/96 1.4 2.9 <0.50 <br /> Purge 04/01/97 <0.50 <0.50 <0.50 <br /> Pure 11/01/97 <0.50 <0.50 <0.50 <br /> Purge 11/01/97 <0.50 <0.50 <0.50 Duplicate Sample; <br /> Pure 04/29/98 <0.50 <0.50 <0.50 <br /> Purge 04/29/98 <0.50 <0.50 <0.50 Duplicate Sample;6 <br /> Pure 10/08/98 <0.50 <0.50 <0.50 <br /> Purge 10/08/98 <0.50 <0.50 <0.50 Duplicate Sample;4 <br /> Pure 04/06/99 <0.5 <0.5 <0.5 <br /> Purge 10/14/99 1.1 0.5 <0.5 <br /> Pure 04/11/00 <0.50 <0.50 <0.50 <br /> Purge 04/11/00 <0.50 <0.50 <0.50 Duplicate Sample;6 <br /> Pure 10/10/00 <0.50 <0.50 <0.50 <br /> Purge 04/12/01 <2.0 <2.0 <2.0 <br /> Pure 10/10/01 <0.50 <0.50 <0.50 CM:0.6 <br /> Purge 05/09/02 <0.50 <0.50 <0.50 <br /> Pure 07/23/02 1.1 1 <0.50 <br /> Purge 07/23/02 1.1 1.1 <0.50 Duplicate Sample; <br /> Pure 10/09/02 1 1.2 <0.50 <br /> Purge 02/04/03 2.2 2.1 <0.50 <br /> Pure 05/02/03 2.7 2.8 <0.50 <br /> Purge 07/22/03 2.7 3.3 <0.50 <br /> Pure 10/27/03 2.7 3.7 <0.50 <br /> Purge 01/26/04 2.5 3.2 <0.50 <br /> Pure 04/20/04 2 2.9 <0.50 <br /> Page 67 of 115 <br />