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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 42.5 04/25/07 <0.50 <0.50 <0.50 <br /> PDB 42.5 B 04/10/09 <0.50 0.62 <0.50 <br /> PDB 42.5 B 04/28/11 <0.50 1.3 <0.50 <br /> PDB 42.5 B 04/10/12 <0.50 <0.50 <0.50 <br /> PDB 42.5 B 04/23/13 <0.50 <0.50 <0.50 <br /> M-22A Purge - 03/01/92 59 175 <0.50 <br /> Purge 06/01/92 57 190 <0.50 CF:0.8 <br /> Pure 10/01/92 55 187 <0.50 <br /> Purge 01/01/93 43 138 <0.50 <br /> Pure 01/01/93 4.8 148 <0.50 Duplicate Sample; <br /> Purge 04/01/93 <0.50 <0.50 <0.50 <br /> Pure 08/01/93 37 122 <0.50 <br /> Purge 01/01/94 40 121 <0.50 1,1-DCE:0.5 <br /> Pure 04/01/96 50 66 <0.50 <br /> Purge 04/01/97 2.9 2.2 <0.50 1,2-DCP:2.2; CCL4:14;CF:4.2 <br /> Pure 04/28/98 <0.50 1 <0.50 <br /> Purge 04/07/99 <0.5 0.6 <0.5 <br /> Pure 04/13/00 20 17 4.2 <br /> Purge 04/12/01 17 16 3.7 <br /> Pure 05/09/02 <0.50 1.1 <0.50 <br /> Purge 05/09/02 <0.50 1 <0.50 Duplicate Sample; <br /> Pure 05/07/03 15 34 4.2 <br /> Purge 04/21/04 12 30 5 <br /> Purge - 05/12/05 9.4 37 1.6 <br /> PDB 103.1 05/12/05 5.2 7.7 40 <br /> PDB 103.1 05/03/06 15 60 <0.50 <br /> PDB 103 05/10/07 19 73 <0.50 1,1-DCE:0.53 <br /> PDB 108 05/10/07 19 69 <0.50 <br /> PDB 113 05/10/07 7.9 40 <0.50 <br /> PDB 118 05/10/07 7.5 40 <0.50 <br /> PDB 103 A 04/24/08 7.9 23 <0.50 <br /> PDB 103 A 04/30/09 15 42 <0.50 <br /> PDB 103 A 04/19/10 15 59 <0.50 1,1-DCE:0.61 <br /> PDB 103.0 A 04/11/11 13 64 <0.50 1,1-DCE:0.59 <br /> PDB 103.0 A 05/17/12 9.8 41 <0.50 <br /> PDB 103.0 A 04/23/13 22 80 <0.50 1,1-DCE:0.92; <br /> M-22B Purge - 03/01/92 2.5 104 <0.50 CF:1 <br /> Pure 06/01/92 3.1 161 <0.50 CF:1.6 <br /> Purge 10/01/92 2.9 216 <0.50 CF:1.4 <br /> Pure 01/01/93 2.3 106 <0.50 CF:1.7 <br /> Purge 04/01/93 3 140 <0.50 CF:2.6 <br /> Pure 08/01/93 2.2 130 <0.50 CF:0.5 <br /> Purge 01/01/94 3.2 134 <0.50 CF:1.1 <br /> Pure 04/01/96 39 110 <0.50 <br /> Purge 04/01/97 1.1 53 <0.50 <br /> Pure 04/28/98 <0.50 6.5 <0.50 <br /> Purge 04/06/99 0.5 24 <0.5 <br /> Pure 04/18/00 <0.50 7.8 <0.50 <br /> Purge 04/12/01 <2.0 22 <2.0 <br /> Pure 05/09/02 <0.50 16 <0.50 <br /> Purge 10/28/03 <0.50 15 <0.50 <br /> Purge - 10/28/03 <0.50 18 <0.50 Duplicate Sample; <br /> PDB 27.5 04/27/05 1.2 20 <0.50 <br /> PDB 32.5 04/27/05 0.79 29 <0.50 CF:0.61 <br /> PDB 37.5 04/27/05 0.85 29 <0.50 CF:0.62 <br /> PDB 37.5 04/27/05 0.81 30 <0.50 Duplicate Sample;CF:0.63 <br /> PDB 42.5 04/27/05 0.76 29 <0.50 CF:0.62 <br /> Purge - 05/10/05 0.66 21 <0.50 <br /> PDB 37.5 05/10/07 0.63 21 <0.50 <br /> PDB 37.5 B 04/30/09 <0.50 26 <0.50 <br /> PDB 37.5 B 04/28/11 <0.50 18 <0.50 <br /> - 04/28/11 <0.50 19 <0.50 Duplicate Sample; <br /> PDB 37.5 B 05/17/12 <0.50 14 <0.50 <br /> PDB 37.5 B 04/23/13 <0.50 1.4 <0.50 <br /> M-23A Purge - 10/01/92 3.1 0.7 <0.50 CF:0.7 <br /> Pure 01/01/93 34 10 <0.50 <br /> Purge 04/01/93 2.6 5.2 <0.50 <br /> Pure 08/01/93 16 2.4 <0.50 <br /> Purge 01/01/94 14 2.5 <0.50 <br /> Pure 04/01/96 4 1 <0.50 <br /> Page 30 of 115 <br />