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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 40.5 A 10/28/08 <0.50 98 <0.50 <br /> PDB 40.5 A 04/30/09 <1.0 96 <1.0 <br /> PDB 40.5 A 04/19/10 0.55 67 <0.50 <br /> Low-flow pure 40.5 SA 08/02/10 <2.5 98 <2.5 <br /> PDB 40.5 SA 10/21/10 0.56 92 <0.50 <br /> PDB 40.5 SA 04/08/11 1.2 100 <0.50 <br /> PDB 40.5 SA 10/24/11 1.6 140 <0.50 <br /> PDB 40.5 SA 05/17/12 1.5 100 <0.50 <br /> PDB 40.5 SA 10/10/12 <0.50 39 <0.50 <br /> - 10/10/12 <0.50 39 <0.50 Duplicate Sample; <br /> PDB 40.5 SA 04/12/13 0.64 64 <0.50 <br /> PDB 40.5 SA 10/10/13 0.67 60 <0.50 <br /> M-7A Purge - 10/01/87 <0.50 2.3 <0.50 MC:0.6 <br /> Pure 03/01/89 <0.50 <0.50 <0.50 <br /> Purge 03/01/90 <0.50 <0.50 <0.50 <br /> Pure 07/01/90 <0.50 <0.50 <0.50 <br /> Purge 09/01/90 <0.50 0.7 <0.50 <br /> Pure 12/01/90 <0.50 0.8 <0.50 <br /> Purge 04/01/91 1.9 1.7 <0.50 <br /> Pure 07/01/91 6.5 6.7 <0.50 <br /> Purge 10/01/91 17 14 <0.50 <br /> Pure 03/01/92 14 14 <0.50 MC:0.6;CF:0.5 <br /> Purge 06/01/92 34 38 <0.50 <br /> Pure 10/01/92 43 67 <0.50 <br /> Purge 01/01/93 41 60 <0.50 <br /> Pure 04/01/93 47 51 <0.50 <br /> Purge 01/01/94 11 17 <0.50 <br /> Pure 03/01/95 4.8 7.8 <0.50 <br /> Purge 04/01/96 9.7 14 <0.50 <br /> Pure 04/01/97 <0.50 0.9 <0.50 <br /> Purge 04/30/98 2.7 4.1 <0.50 <br /> Pure 11/09/98 <0.50 <0.50 <0.50 <br /> Purge 04/07/99 2.8 3.3 <0.5 <br /> Pure 04/12/00 2 2 <0.50 <br /> Purge 04/10/01 <2.0 <2.0 <2.0 <br /> Pure 05/08/02 <0.50 1 <0.50 <br /> Purge 05/01/03 0.6 0.7 <0.50 <br /> Purge - 04/13/04 0.5 0.5 <0.50 <br /> PDB 96.5 04/20/05 <0.50 <0.50 <0.50 <br /> PDB 101.5 04/20/05 <0.50 <0.50 <0.50 <br /> PDB 106.5 04/20/05 <0.50 <0.50 <0.50 <br /> PDB 111.5 04/20/05 <0.50 <0.50 <0.50 <br /> PDB 111.5 A 04/12/06 <0.50 <0.50 <0.50 <br /> PDB 111.5 A 05/22/07 <0.50 <0.50 <0.50 <br /> PDB 111.5 A 04/22/08 <0.50 <0.50 <0.50 <br /> PDB 111.5 A 04/30/09 <0.50 <0.50 <0.50 <br /> PDB 111.5 A 04/19/10 <0.50 <0.50 <0.50 <br /> PDB 111.5 A 04/11/11 <0.50 <0.50 <0.50 <br /> - 04/11/11 <0.50 <0.50 <0.50 Duplicate Sample; <br /> PDB 111.5 A 04/10/12 <0.50 <0.50 <0.50 <br /> PDB 111.5 A 05/23/13 <0.50 <0.50 <0.50 <br /> M-713 Purge - 10/01/87 <0.50 <0.50 <0.50 <br /> Purge 06/01/88 NA <0.50 <0.50 <br /> Pure 03/01/89 <0.50 <0.50 <0.50 <br /> Purge 03/01/92 <0.50 <0.50 <0.50 <br /> Pure 01/01/93 <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 1.2 <0.50 <br /> Pure 10/01/95 <0.50 <0.50 <0.50 <br /> Purge 04/01/96 <0.50 0.6 <0.50 <br /> Pure 10/01/96 <0.50 <0.50 <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 04/30/98 <0.50 <0.50 <0.50 <br /> Pure 10/06/98 <0.50 <0.50 <0.50 <br /> Purge 04/06/99 <0.5 <0.5 <0.5 <br /> Pure 10/11/99 <0.5 <0.5 <0.5 <br /> Purge 04/18/00 <0.50 <0.50 <0.50 <br /> Pure 10/11/00 <0.50 <0.50 <0.50 <br /> Page 16 of 115 <br />