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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 35 A 04/24/08 <0.50 3.6 <0.50 <br /> PDB 35 A 04/30/09 <0.50 2.2 <0.50 <br /> PDB 35 A 04/28/10 <0.50 3.5 <0.50 <br /> PDB 35 A 04/12/11 <0.50 5.2 <0.50 <br /> PDB 35 A 05/17/12 <0.50 3.7 <0.50 <br /> PDB 35 A 04/12/13 <0.50 <0.50 <0.50 <br /> M-413 Purge - 01/01/87 NA 8.2 <0.50 <br /> Pure 02/01/87 NA 1.2 <0.50 <br /> Purge 04/01/87 <0.50 5.5 <0.50 <br /> Pure 07/01/87 <0.50 8.2 <0.50 <br /> Purge 10/01/87 <0.50 9.8 <0.50 <br /> Pure 06/01/88 NA 3.4 <0.50 <br /> Purge 03/01/89 <0.50 3.8 <0.50 <br /> Pure 03/01/92 <0.50 4.6 <0.50 <br /> Purge 01/01/93 <0.50 <0.50 <0.50 <br /> Pure 08/01/93 <0.50 4.2 <0.50 <br /> Purge 01/01/94 <0.50 4 <0.50 <br /> Pure 03/01/95 <0.50 3 <0.50 <br /> Purge 04/01/96 <0.50 4.3 <0.50 <br /> Pure 10/01/96 <0.50 29 <0.50 1,4-Diox:2.5 <br /> Purge 01/01/97 <0.50 <0.50 <0.50 CF:55 <br /> Pure 04/01/97 <0.50 1.1 <0.50 <br /> Purge 05/01/98 <0.50 2.4 <0.50 <br /> Pure 04/06/99 <0.5 2.5 <0.5 <br /> Purge 04/10/00 6.3 28 <0.50 CF:0.9 <br /> Pure 07/10/00 5.3 12 <0.50 CF:0.6 <br /> Purge 04/16/01 <2.0 <2.0 <2.0 <br /> Pure 05/08/02 <0.50 <0.50 <0.50 <br /> Purge 04/29/03 <0.50 2.8 <0.50 <br /> Pure 04/15/04 <0.50 1.1 <0.50 <br /> Purge - 04/15/04 <0.50 1.1 <0.50 Duplicate Sample; <br /> PDB 33.5 04/22/05 <0.50 0.66 <0.50 <br /> PDB 38.5 04/22/05 <0.50 0.63 <0.50 <br /> PDB 38.5 A 04/25/06 <0.50 1.1 <0.50 <br /> PDB 38.5 A 05/10/07 <0.50 <0.50 <0.50 <br /> PDB 38.5 A 04/28/08 <0.50 <0.50 <0.50 <br /> PDB 38.5 A 04/28/09 <0.50 <0.50 <0.50 <br /> - 04/28/09 <0.50 <0.50 <0.50 Duplicate Sample; <br /> PDB 38.5 A 04/28/10 <0.50 <0.50 <0.50 <br /> PDB 38.5 A 04/08/11 <0.50 <0.50 <0.50 <br /> PDB 38.5 A 05/17/12 <0.50 <0.50 <0.50 <br /> PDB 38.5 A 04/12/13 <0.50 <0.50 <0.50 CF:1.5; <br /> M-5A Purge - 10/01/87 <0.50 <0.50 <0.50 <br /> Pure 06/01/88 NA <0.50 <0.50 1,1,1-TCA:26 <br /> Purge 03/01/89 <0.50 <0.50 <0.50 1,1,1-TCA:11 <br /> Pure 11/01/89 <0.50 <0.50 <0.50 1,1,1-TCA:2.6 <br /> Purge 03/01/90 <0.50 <0.50 <0.50 1,1,1-TCA:1.2 <br /> Pure 07/01/90 <0.50 <0.50 <0.50 <br /> Purge 09/01/90 <0.50 <0.50 <0.50 <br /> Pure 09/01/90 <0.50 <0.50 <0.50 Duplicate Sample;,1,1,1-TCA:0.9 <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 0.6 <0.50 Tol:1.6 <br /> Purge 03/01/92 <0.50 <0.50 <0.50 <br /> Pure 06/01/92 <0.50 0.7 <0.50 <br /> Purge 06/01/92 <0.50 0.5 <0.50 Duplicate Sample; <br /> Pure 10/01/92 <0.50 <0.50 <0.50 <br /> Purge 01/01/93 <0.50 <0.50 <0.50 <br /> Pure 04/01/93 <0.50 1 <0.50 <br /> Purge 08/01/93 <0.50 <0.50 <0.50 <br /> Pure 01/01/94 <0.50 0.6 <0.50 <br /> Purge 05/01/94 <0.50 0.5 <0.50 <br /> Pure 05/01/94 <0.50 0.6 <0.50 Duplicate Sample; <br /> Purge 07/01/94 <0.50 1.8 <0.50 <br /> Pure 10/01/94 <0.50 8.9 <0.50 CF:1.7 <br /> Purge 03/01/95 <0.50 1.2 <0.50 Iso-Benzene:2.5,Tol:1.2;CF:1.2 <br /> Pure 07/01/95 15 17 <0.50 CF:1.8 <br /> Purge 10/01/95 <0.50 0.7 <0.50 CF:0.6 <br /> Pure 01/01/96 <0.50 1.62 <0.50 CF:1.75 <br /> Page 12 of 115 <br />