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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 05/01/98 <0.50 <0.50 <0.50 <br /> Pure 10/07/98 <0.50 <0.50 <0.50 <br /> Purge 04/08/99 <0.5 <0.5 <0.5 <br /> Pure 10/07/99 <0.5 <0.5 <0.5 <br /> Purge 04/13/00 <0.50 <0.50 <0.50 <br /> Pure 10/10/00 <0.50 <0.50 <0.50 <br /> Purge 04/11/01 <2.0 <2.0 <2.0 <br /> Pure 10/11/01 <0.50 <0.50 <0.50 <br /> Purge 05/07/02 <0.50 <0.50 <0.50 <br /> Pure 10/09/02 <0.50 <0.50 <0.50 <br /> Purge 05/06/03 <0.50 <0.50 <0.50 <br /> Pure 10/27/03 <0.50 <0.50 <0.50 <br /> Purge 04/15/04 <0.50 <0.50 <0.50 <br /> Purge - 10/12/04 <0.50 <0.50 <0.50 <br /> PDB 122.5 04/21/05 <0.50 <0.50 <0.50 <br /> PDB 122.5 04/21/05 <0.50 <0.50 <0.50 Duplicate Sample; <br /> PDB 127.5 10/28/05 <0.50 <0.50 <0.50 Sample depth is 127.5,not 169.5 ft bgs. <br /> PDB 122.5 04/19/06 <0.50 <0.50 <0.50 <br /> PDB 122.5 SA 10/17/06 <0.50 <0.50 <0.50 <br /> PDB 127.5 SA 04/25/07 <0.50 <0.50 <0.50 <br /> PDB 127.5 SA 10/10/07 <0.50 <0.50 <0.50 <br /> PDB 127.5 SA 04/24/08 1.1 0.63 <0.50 <br /> PDB 127.5 SA 11/05/08 2.3 1.4 <0.50 <br /> PDB 127.5 SA 04/10/09 1.3 0.84 <0.50 <br /> PDB 127.5 SA 10/26/09 1.9 1.2 <0.50 <br /> PDB 127.5 SA 04/19/10 1.9 1.3 <0.50 <br /> PDB 127.5 SA 04/11/11 5.4 3.6 <0.50 <br /> PDB 127.5 SA 10/28/11 6.4 3.6 <0.50 <br /> PDB 127.5 SA 01/26/12 13 7.6 <0.50 <br /> PDB 127.5 SA 04/10/12 15 7.4 <0.50 <br /> PDB 127.5 SA 08/01/12 11 6.2 <0.50 <br /> PDB 127.5 SA 10/15/12 13 7.0 <0.50 <br /> PDB 127.5 Q 01/23/13 13 7.1 <0.50 <br /> PDB 127.5 Q 04/12/13 12 6.8 <0.50 <br /> PDB 127.5 Q 07/02/13 15 8.6 <0.50 <br /> PDB 127.5 Q 10/08/13 18 9.8 <0.50 <br /> M-16A Purge - 11/01/89 <0.50 <0.50 <0.50 <br /> Pure 03/01/90 <0.50 <0.50 <0.50 <br /> Purge 07/01/90 <0.50 <0.50 <0.50 <br /> Pure 09/01/90 <0.50 <0.50 <0.50 <br /> Purge 12/01/90 <0.50 <0.50 <0.50 <br /> Pure 04/01/91 <0.50 <0.50 <0.50 <br /> Purge 07/01/91 <0.50 <0.50 <0.50 <br /> Pure 10/01/91 <0.50 <0.50 <0.50 Tol:0.5 <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 2.8 <0.50 <br /> Pure 07/01/94 <0.50 <0.50 <0.50 <br /> Purge 03/01/95 <0.50 <0.50 <0.50 <br /> Pure 04/01/96 <0.50 <0.50 <0.50 <br /> Purge 10/01/96 <0.50 <0.50 <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 04/01/97 <0.50 <0.50 <0.50 Duplicate Sample; <br /> Purge 11/01/97 1.8 0.5 <0.50 <br /> Pure 04/30/98 <0.50 <0.50 <0.50 <br /> Purge 10/07/98 <0.50 <0.50 <0.50 <br /> Pure 04/07/99 <0.5 <0.5 <0.5 <br /> Purge 10/07/99 <0.5 <0.5 <0.5 <br /> Pure 04/13/00 <0.50 <0.50 <0.50 <br /> Purge 10/10/00 <0.50 <0.50 <0.50 <br /> Pure 10/10/00 <0.50 <0.50 <0.50 Duplicate Sample;2 <br /> Purge 04/12/01 <2.0 <2.0 <2.0 <br /> Pure 10/11/01 <0.50 <0.50 <0.50 <br /> Purge 05/07/02 <0.50 <0.50 <0.50 <br /> Purge - 10/28/03 <0.50 <0.50 <0.50 PCE:1.2 <br /> PDB 120.5 04/22/05 <0.50 <0.50 <0.50 <br /> PDB 125.5 B 04/22/05 <0.50 <0.50 <0.50 <br /> PDB 125.5 B 04/25/07 <0.50 <0.50 <0.50 <br /> Purge - B 11/30/08 <0.50 <0.50 <0.50 <br /> Page 48 of 115 <br />