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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 04/01/93 10 14 <0.50 <br /> Pure 08/01/93 5 5.4 <0.50 <br /> Purge 01/01/94 7.1 9.1 <0.50 <br /> Pure 01/01/94 0.8 1 <0.50 Duplicate Sample; <br /> Purge 05/01/94 8.6 12 <0.50 <br /> Pure 05/01/94 8.6 12 <0.50 Duplicate Sample; <br /> Purge 07/01/94 9.8 13 <0.50 <br /> Pure 10/01/94 9.3 13 <0.50 <br /> Purge 03/01/95 2 3.3 <0.50 1,2-DCA:0.5,Iso-benzene:14,Tol:4.3 <br /> Pure 10/01/95 0.6 1.7 <0.50 <br /> Purge 04/01/96 <0.50 1.4 <0.50 <br /> Pure 10/01/96 <0.50 <0.50 <0.50 <br /> Purge 04/01/97 <0.50 1 <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;,t-1,2-DCE:0.9 <br /> Pure 04/28/98 <0.50 <0.50 <0.50 <br /> Purge 10/08/98 <0.50 <0.50 <0.50 <br /> Pure 04/06/99 <0.5 <0.5 <0.5 <br /> Purge 10/13/99 <0.5 <0.5 <0.5 <br /> Pure 04/11/00 <0.50 <0.50 <0.50 <br /> Purge 10/10/00 <0.50 <0.50 <0.50 <br /> Pure 04/09/01 <2.0 <2.0 <2.0 <br /> Purge 10/10/01 <0.50 <0.50 <0.50 CM:1.0 <br /> Pure 10/10/01 <0.50 <0.50 <0.50 Duplicate Sample; CM:2.0 <br /> Purge 05/09/02 <0.50 <0.50 <0.50 CM:0.9 <br /> Pure 10/10/02 <0.50 <0.50 <0.50 <br /> Purge 10/10/02 <0.50 <0.50 <0.50 Duplicate Sample; <br /> Pure 05/05/03 0.7 4.9 <0.50 <br /> Purge 10/29/03 1.1 5 <0.50 <br /> Pure 04/24/04 12 35 25 <br /> Purge - 10/13/04 28 48 <0.50 <br /> PDB 210.5 04/26/05 3.3 8.4 <0.50 <br /> PDB 215.5 04/26/05 5.8 12 <0.50 <br /> PDB 220.5 04/26/05 11 25 <0.50 <br /> PDB 225.5 04/26/05 19 39 <0.50 <br /> PDB 225.5 04/26/05 19 39 <0.50 Duplicate Sample; <br /> PDB 230.5 04/26/05 17 34 <0.50 <br /> PDB 235.5 04/26/05 17 35 <0.50 <br /> PDB 235.5 04/26/05 16 33 <0.50 Duplicate Sample; <br /> Purge - 05/12/05 14 31 <0.50 <br /> PDB 225.5 08/24/05 35 51 <0.50 <br /> PDB 225.5 10/28/05 33 53 <0.50 <br /> PDB 225.5 10/28/05 32 52 <0.50 Duplicate Sample; <br /> PDB 225.5 01/26/06 15 32 <0.50 <br /> PDB 225.5 04/18/06 4.3 17 <0.50 <br /> PDB 225.5 07/19/06 22 42 <0.50 <br /> PDB 210.5 10/18/06 34 52 <0.50 <br /> PDB 215.5 10/18/06 35 55 <0.50 <br /> PDB 220.5 10/18/06 37 52 <0.50 <br /> PDB 225.5 10/18/06 35 52 <0.50 <br /> PDB 230.5 10/18/06 23 41 <0.50 <br /> PDB 235.5 Q 10/18/06 22 40 <0.50 <br /> Purge - 03/01/89 <0.50 <0.50 <0.50 <br /> Pure 11/01/89 <0.50 <0.50 <0.50 <br /> Purge - 03/01/90 <0.50 <0.50 <0.50 <br /> PDB 210.5 Q 02/26/07 18 29 <0.50 <br /> PDB 215.5 Q 02/26/07 28 41 <0.50 <br /> PDB 220.5 Q 02/26/07 36 53 <0.50 <br /> PDB 225.5 Q 02/26/07 37 53 <0.50 <br /> PDB 230.5 Q 02/26/07 31 51 <0.50 <br /> PDB 235.5 Q 02/26/07 30 50 <0.50 <br /> PDB 225.5 Q 05/10/07 41 60 <0.50 <br /> PDB 225.5 Q 07/03/07 38 55 <0.50 <br /> PDB 225.5 Q 10/10/07 39 61 <0.50 1,1-DCE:0.57 <br /> PDB 225.5 Q 02/27/08 26 47 <0.50 <br /> PDB 225.5 Q 04/28/08 33 62 <0.50 <br /> PDB 225.5 Q 07/22/08 34 52 <0.50 <br /> PDB 225.5 Q 10/17/08 32 54 <0.50 CF:1.0 <br /> PDB 225.5 Q 01/30/09 27 41 <0.50 <br /> PDB 225.5 Q 04/30/09 24 45 <0.50 <br /> Page 66 of 115 <br />