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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 2.7 0.7 <0.50 <br /> Pure 04/01/97 4.1 1.1 <0.50 <br /> Purge 11/01/97 <0.50 <0.50 <0.50 <br /> Pure 04/30/98 3.8 1.4 <0.50 <br /> Purge 10/05/98 2.2 1.4 <0.50 <br /> Pure 04/07/99 3.6 1.2 <0.5 <br /> Purge 10/08/99 1.6 0.8 <0.5 <br /> Pure 04/12/00 1 <0.50 <0.50 <br /> Purge 10/10/00 0.9 <0.50 <0.50 <br /> Pure 10/10/00 1 <0.50 <0.50 Duplicate Sample; <br /> Purge 04/10/01 <2.0 <2.0 <2.0 <br /> Pure 10/09/01 <0.50 <0.50 <0.50 <br /> Purge 05/09/02 <0.50 <0.50 <0.50 <br /> Pure 05/07/03 NS NS NS <br /> Purge - 04/16/04 1.4 <0.50 <0.50 <br /> PDB 77.3 04/22/05 2.6 <0.50 0.51 <br /> PDB 82.3 04/22/05 2.7 0.55 0.54 <br /> PDB 87.3 04/22/05 2.7 0.56 0.51 <br /> PDB 92.3 04/22/05 2.7 0.54 <0.50 <br /> PDB 87.3 04/19/06 24 4.7 3.4 CF:24 <br /> PDB 87.3 04/26/07 15 3.6 2.4 <br /> PDB 87.3 A 04/22/08 4.2 0.92 1.7 <br /> PDB 87.3 A 04/28/09 17 5.3 4.5 <br /> - 04/28/09 17 5.1 4.5 Duplicate Sample; <br /> PDB 87.3 A 04/19/10 8.6 2.6 1.6 <br /> PDB 87.3 A 04/11/11 9.3 3.6 2.2 <br /> - 04/11/11 9.4 3.8 2.4 Duplicate Sample; <br /> PDB 87.3 A 04/10/12 4.1 0.64 0.80 <br /> PDB 87.3 A 04/23/13 6.9 1.6 1.50 <br /> M-27A Purge - 11/28/00 <0.50 <0.50 <0.50 From ERM report <br /> Purge 01/09/01 <1.0 <1.0 <1.0 Duplicate Sample; <br /> Pure 01/09/01 <1.0 <1.0 <1.0 <br /> Purge 04/16/01 <2.0 <2.0 <2.0 <br /> Pure 04/16/01 <2.0 <2.0 <2.0 Duplicate Sample;#2 <br /> Purge 07/12/01 <0.50 <0.50 <0.50 <br /> Pure 10/09/01 <0.50 <0.50 <0.50 <br /> Purge 10/09/01 <0.50 <0.50 <0.50 Duplicate Sample; <br /> Pure 01/21/02 <0.50 <0.50 <0.50 <br /> Purge 02/03/02 <0.50 <0.50 <0.50 <br /> Pure 05/07/02 0.9 <0.50 <0.50 <br /> Purge 08/02/02 <0.50 <0.50 <0.50 <br /> Pure 10/07/02 <0.50 <0.50 <0.50 <br /> Purge 05/01/03 <0.50 <0.50 <0.50 <br /> Pure 05/02/03 <0.50 <0.50 <0.50 Duplicate Sample; <br /> Purge 07/23/03 <0.50 <0.50 <0.50 <br /> Pure 01/21/04 <0.50 <0.50 <0.50 <br /> Purge 04/14/04 <0.50 <0.50 <0.50 <br /> Pure 07/20/04 <0.50 <0.50 <0.50 <br /> Purge 10/12/04 <0.50 <0.50 <0.50 <br /> Purge - 02/01/05 <0.50 <0.50 <0.50 <br /> PDB 92.5 04/27/05 <0.50 <0.50 <0.50 <br /> PDB 97.5 04/27/05 <0.50 <0.50 <0.50 <br /> PDB 102.5 04/27/05 <0.50 <0.50 <0.50 <br /> PDB 97.5 08/24/05 <0.50 <0.50 <0.50 <br /> PDB 97.5 10/28/05 <0.50 <0.50 <0.50 <br /> PDB 97.5 01/26/06 <0.50 <0.50 <0.50 <br /> PDB 97.5 05/03/06 <0.50 <0.50 <0.50 <br /> PDB 97.5 07/19/06 <0.50 <0.50 <0.50 <br /> PDB 102.5 02/26/07 <0.50 <0.50 <0.50 <br /> PDB 102.5 04/25/07 <0.50 <0.50 <0.50 <br /> - 04/25/07 <0.50 <0.50 <0.50 Duplicate Sample; <br /> PDB 102.5 07/03/07 <0.50 <0.50 <0.50 <br /> PDB 102.5 10/07/07 <0.50 <0.50 <0.50 <br /> PDB 102.5 Q 02/27/08 <0.50 <0.50 <0.50 <br /> - 02/27/08 <0.50 <0.50 <0.50 Duplicate Sample; <br /> PDB 102.5 Q 04/24/08 <0.50 <0.50 <0.50 <br /> PDB 102.5 Q 07/21/08 <0.50 <0.50 <0.50 <br /> PDB 102.5 Q 10/17/08 <0.50 <0.50 <0.50 <br /> PDB 102.5 Q 01/30/09 <0.50 <0.50 <0.50 <br /> - 01/30/09 <0.50 <0.50 <0.50 Duplicate Sample; <br /> Page 31 of 115 <br />