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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 05/08/02 <0.50 <0.50 <0.50 <br /> Pure 07/23/02 <0.50 <0.50 <0.50 <br /> Purge 10/08/02 <0.50 <0.50 <0.50 <br /> Pure 01/30/03 <0.50 <0.50 <0.50 <br /> Purge 04/30/03 <0.50 <0.50 <0.50 <br /> Pure 07/22/03 <0.50 <0.50 <0.50 <br /> Purge 10/29/03 <0.50 <0.50 <0.50 <br /> Pure 01/22/04 <0.50 <0.50 <0.50 <br /> Purge 04/26/04 <0.50 <0.50 <0.50 <br /> Pure 07/23/04 <0.50 <0.50 <0.50 <br /> Purge 10/13/04 <0.50 <0.50 <0.50 <br /> Purge - 01/26/05 <0.50 <0.50 <0.50 <br /> PDB 207.5 04/27/05 0.9 <0.50 0.71 <br /> PDB 212.5 04/27/05 0.68 <0.50 0.55 <br /> PDB 217.5 04/27/05 0.73 <0.50 0.63 <br /> PDB 222.5 04/27/05 0.61 <0.50 0.55 <br /> PDB 222.5 04/27/05 0.63 <0.50 0.58 Duplicate Sample; <br /> PDB 207.5 08/24/05 3.1 1 2.8 <br /> PDB 207.5 10/27/05 6.3 1.9 3.2 <br /> PDB 217.5 01/26/06 1.1 <0.50 0.72 <br /> PDB 207.5 04/19/06 1.6 1.2 0.59 <br /> PDB 207.5 07/19/06 11 3.2 2.2 <br /> PDB 207.5 Q 10/17/06 16 5.1 8.3 <br /> PDB 217.5 Q 02/26/07 13 3.7 9 <br /> PDB 217.5 Q 04/26/07 18 4.7 9.7 <br /> PDB 217.5 Q 07/05/07 24 6.6 19 t-1,2-DCE:0.55 <br /> PDB 217.5 Q 10/11/07 27 7.3 21 t-1,2-DCE:0.54 <br /> PDB 217.5 Q 02/26/08 7.1 2.6 9.3 <br /> PDB 217.5 Q 04/22/08 12 3.1 10 <br /> PDB 217.5 Q 07/18/08 20 5.1 21 <br /> PDB 217.5 Q 10/17/08 19 5.6 17 <br /> PDB 217.5 Q 01/30/09 14 3.5 11 <br /> PDB 217.5 Q 04/28/09 13 3.5 14 <br /> - 04/28/09 13 3.4 16 Duplicate Sample; <br /> PDB 217.5 Q 07/28/09 13 3.7 12 <br /> PDB 217.5 Q 10/26/09 10 3.0 7.2 <br /> PDB 217.5 Q 01/18/10 8 2.4 6.8 <br /> PDB 217.5 Q 04/19/10 1.9 0.7 1.2 <br /> Low flow purge - Q 08/05/10 1.2 <0.50 1.5 <br /> PDB 217.5 Q 10/15/10 1.3 <0.50 1.0 <br /> PDB 217.5 Q 01/06/11 0.78 <0.50 0.65 <br /> PDB 217.5 Q 04/11/11 0.78 <0.50 <0.50 <br /> PDB 217.5 Q 07/08/11 2.5 0.74 1.1 <br /> PDB 217.5 Q 10/25/11 1.7 0.62 0.66 <br /> PDB 217.5 Q 01/13/12 2.6 0.84 1.0 <br /> PDB 217.5 Q 04/06/12 2.4 <0.50 0.80 <br /> PDB 217.5 Q 07/31/12 8.7 2.4 2.6 <br /> PDB 207.5 Q 10/12/12 10 3.1 4.5 <br /> PDB 207.5 Q 01/21/13 4.3 1.2 1.9 <br /> PDB 207.5 Q 04/22/13 5.3 1.4 2.2 <br /> PDB 207.5 Q 07/03/13 5.7 1.7 2.6 <br /> PDB 207.5 Q 10/08/13 6.2 1.8 2.9 <br /> - 10/08/13 6.4 1.9 3.0 Duplicate Sample; <br /> M-21D Pure 03/01/92 1.8 0.8 <0.50 <br /> Purge 06/01/92 2.6 1.6 <0.50 <br /> Pure 06/01/92 2.7 1 <0.50 Duplicate Sample; <br /> Purge 10/01/92 2 0.9 <0.50 <br /> Pure 01/01/93 <0.50 <0.50 <0.50 <br /> Purge 04/01/93 <0.50 2.7 <0.50 <br /> Pure 04/01/93 <0.50 2.9 <0.50 Duplicate Sample; <br /> Purge 08/01/93 1.7 0.9 <0.50 CF:2.7 <br /> Pure 08/01/93 1.6 0.9 <0.50 Duplicate Sample;CF:1.8 <br /> Purge 01/01/94 1.2 0.8 <0.50 <br /> Pure 04/01/96 <0.50 <0.50 <0.50 <br /> Purge 10/01/96 0.6 <0.50 <0.50 <br /> Pure 04/01/97 <0.50 <0.50 <0.50 <br /> Purge 11/01/97 <0.50 <0.50 <0.50 <br /> Pure 11/01/97 0.5 1 <0.50 Duplicate Sample; <br /> Purge 04/06/99 <0.5 <0.5 <0.5 <br /> Pure 04/06/99 <0.5 <0.5 <0.5 Duplicate Sample; <br /> Page 69 of 115 <br />