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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 10/01/87 59 140 <5 CR 6 <br /> Pure 06/01/88 45 100 <5 <br /> Purge 03/01/89 21 47 <0.50 <br /> Pure 03/01/92 21 24 <0.50 CF:0.6 <br /> Purge 03/01/92 21 26 <0.50 Duplicate Sample;CF:0.9 <br /> Pure 06/01/92 76 58 25 <br /> Purge 10/01/92 55 72 27 1,1-DCE:0.8,t-1,2-DCE:1.2 <br /> Pure 01/01/93 17 23 <0.50 <br /> Purge 01/01/93 16 23 <0.50 Duplicate Sample; <br /> Pure 04/01/93 41 54 7.9 1,1-DCE:0.7 <br /> Purge 08/01/93 19 20 1.2 <br /> Pure 01/01/94 33 58 <0.50 1,1-DCE:0.6,1,2-DCA:1.9 <br /> Purge 03/01/95 18 30 2.9 Tol:1.8 <br /> Pure 04/01/96 15 26 <0.50 <br /> Purge 04/01/97 5.8 7.7 <0.50 <br /> Pure 05/01/98 2.8 5.2 <0.50 <br /> Purge 04/08/99 5.4 8.3 <0.5 <br /> Pure 04/14/00 2.5 4 <0.50 <br /> Purge 04/12/01 <2.0 <2.0 <2.0 <br /> Pure 05/09/02 3.2 7.9 <0.50 <br /> Purge 05/07/03 20 36 7.8 <br /> Purge - 04/23/04 18 49 9.3 <br /> PDB 94.5 04/22/05 25 37 0.81 <br /> PDB 99.5 04/22/05 14 92 <0.50 <br /> PDB 104.5 04/22/05 3.1 4.7 2.3 <br /> PDB 109.5 04/22/05 2.7 4.1 1.9 <br /> Purge - 05/10/05 7.1 36 2.3 <br /> PDB 99.5 A 04/18/06 2.2 4.2 1.4 <br /> PDB 99.5 A 05/10/07 1.7 16 <0.50 <br /> PDB 99.5 A 04/24/08 0.52 1.4 <0.50 <br /> PDB 99.5 A 04/30/09 <0.50 0.54 <0.50 <br /> PDB 99.5 A 04/28/10 <0.50 <0.50 <0.50 <br /> PDB 99.5 A 04/12/11 <0.50 0.82 <0.50 <br /> PDB 99.5 A 05/17/12 <0.50 0.78 <0.50 <br /> PDB 99.5 A 04/12/13 <0.50 <0.50 <0.50 <br /> M-313 Purge - 01/01/87 NA 73 <0.50 CF:1 <br /> Purge 02/01/87 NA 55 <0.50 CF:0.5 <br /> Pure 04/01/87 <0.50 31 <0.50 <br /> Purge 07/01/87 <0.50 23 <0.50 CF:0.5 <br /> Pure 10/01/87 1.6 36 <0.50 MC:0.6;CF:0.5 <br /> Purge 06/01/88 <0.50 45 <0.50 <br /> Pure 03/01/89 0.6 34 <0.50 <br /> Purge 09/01/90 <0.50 18.92 <0.50 <br /> Pure 12/01/90 <0.50 18.2 <0.50 <br /> Purge 04/01/91 <0.50 35 <0.50 <br /> Pure 07/01/91 <0.50 18 <0.50 <br /> Purge 10/01/91 <0.50 34 <0.50 Tol:3.8;CF:0.5 <br /> Pure 03/01/92 <0.50 36 <0.50 <br /> Purge 06/01/92 <0.50 39 <0.50 <br /> Pure 06/01/92 <0.50 40 <0.50 Duplicate Sample; <br /> Purge 10/01/92 <0.50 46 <0.50 <br /> Pure 01/01/93 <0.50 61 <0.50 <br /> Purge 04/01/93 <0.50 45 <0.50 <br /> Pure 08/01/93 <0.50 20 <0.50 <br /> Purge 01/01/94 0.9 43 <0.50 CF:0.8 <br /> Pure 03/01/95 1.3 51 <0.50 CF:1.8 <br /> Purge 04/01/96 1.4 38 <0.50 <br /> Pure 04/01/97 <0.50 6.7 <0.50 <br /> Purge 05/01/98 <0.50 7.5 <0.50 <br /> Pure 04/07/99 0.5 11 <0.5 CF:0.7 <br /> Purge 04/18/00 <0.50 12 <0.50 <br /> Pure 04/12/01 <2.0 <2.0 <2.0 <br /> Purge 05/09/02 <0.50 4.1 <0.50 <br /> Pure 04/29/03 <0.50 4.3 <0.50 <br /> Purge - 04/16/04 <0.50 2.9 <0.50 <br /> PDB 30 04/22/05 <0.50 7.4 <0.50 <br /> PDB 35 04/22/05 <0.50 7.5 <0.50 <br /> PDB 40 04/22/05 <0.50 7.3 <0.50 <br /> PDB 35 A 04/18/06 <0.50 15 <0.50 <br /> PDB 35 A 05/10/07 <0.50 7.4 <0.50 <br /> Page 11 of 115 <br />