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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 125.5 B 04/23/09 <0.50 <0.50 <0.50 <br /> PDB 125.5 B 04/28/11 <0.50 <0.50 <0.50 <br /> PDB 125.5 B 04/11/12 <0.50 <0.50 <0.50 <br /> PDB 125.5 B 04/23/13 <0.50 <0.50 <0.50 <br /> M-1601 Purge - 11/01/89 <0.50 <0.50 <0.50 <br /> Pure 03/01/90 <0.50 <0.50 <0.50 <br /> Purge 07/01/90 <0.50 <0.50 <0.50 <br /> Pure 09/01/90 <0.50 <0.50 <0.50 <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 <0.50 <0.50 <br /> Purge 03/01/92 <0.50 <0.50 <0.50 <br /> Pure 01/01/93 <0.50 <0.50 <0.50 <br /> Purge 01/01/94 <0.50 0.5 <0.50 <br /> Pure 07/01/94 <0.50 <0.50 <0.50 <br /> Purge 03/01/95 <0.50 <0.50 <0.50 Iso-benzene:1 <br /> Pure 10/01/95 <0.50 <0.50 <0.50 <br /> Purge 04/01/96 <0.50 <0.50 <0.50 <br /> Pure 10/01/96 <0.50 <0.50 <0.50 <br /> Purge 04/01/97 <0.50 <0.50 <0.50 <br /> Pure 11/01/97 <0.50 <0.50 <0.50 <br /> Purge 04/30/98 <0.50 <0.50 <0.50 <br /> Pure 04/09/99 <0.5 <0.5 <0.5 <br /> Purge 04/11/00 <0.50 <0.50 <0.50 <br /> Pure 04/12/01 <2.0 <2.0 <2.0 <br /> Purge 05/07/02 <0.50 <0.50 <0.50 <br /> Pure 05/06/03 <0.50 <0.50 <0.50 <br /> Purge - 04/13/04 <0.50 <0.50 <0.50 <br /> PDB 150.5 04/22/05 <0.50 <0.50 <0.50 <br /> PDB 155.5 04/22/05 <0.50 <0.50 <0.50 <br /> PDB 160.5 04/22/05 <0.50 <0.50 <0.50 <br /> PDB 165.5 04/22/05 <0.50 <0.50 <0.50 <br /> PDB 160.5 A 04/25/06 <0.50 <0.50 <0.50 <br /> PDB 165.5 A 04/25/07 <0.50 <0.50 <0.50 <br /> PDB 165.5 A 04/23/08 <0.50 <0.50 <0.50 <br /> PDB 165.5 A 11/30/08 <0.50 <0.50 <0.50 <br /> PDB 165.5 A 04/23/09 <0.50 <0.50 <0.50 <br /> PDB 165.5 A 04/12/10 <0.50 <0.50 <0.50 <br /> PDB 165.5 A 04/11/11 <0.50 <0.50 <0.50 <br /> PDB 165.5 A 04/11/12 <0.50 <0.50 <0.50 <br /> PDB 165.5 A 04/23/13 <0.50 <0.50 <0.50 <br /> M-1701 Purge - 11/01/89 <0.50 16 <0.50 CF:39 <br /> Pure 03/01/90 79 17 <0.50 BF:6;CF:18 <br /> Purge 07/01/90 69 11 <0.50 BF:69;CF:7.9 <br /> Pure 09/01/90 91.6 28.1 <0.50 <br /> Purge 12/01/90 94.9 28.9 <0.50 <br /> Pure 04/01/91 150 44 <0.50 <br /> Purge 07/01/91 160 23 <0.50 <br /> Pure 10/01/91 150 32 <0.50 1,1-DCA:0.7;CF:12 <br /> Purge 03/01/92 164 38 1.2 <br /> Pure 06/01/92 180 45 3.3 <br /> Purge 10/01/92 138 64 1.6 1,1-DCE:1 <br /> Pure 10/01/92 124 50 1.4 Duplicate Sample;,1,1-DCE:1.1 <br /> Purge 01/01/93 28 8.9 <0.50 <br /> Pure 04/01/93 140 38 5.2 1,1-DCE:1.2;CF:27 <br /> Purge 08/01/93 83 19 4.1 1,1-DCE:0.7 <br /> Pure 01/01/94 113 40 6.5 1,1-DCE:1.1 <br /> Purge 04/01/96 9.2 41 7.8 1,1-DCE:7 <br /> Pure 04/01/97 1.9 1.2 <0.50 <br /> Purge 04/30/98 39 13 7.9 <br /> Pure 04/08/99 100 2.8 25 1,1-DCE:0.8,t-1,2-DCE:0.5 <br /> Purge 04/13/00 120 34 43 1,1-DCE:1.2;t-1,2-DCE:0.6 <br /> Pure 04/12/01 47 12 24 <br /> Purge 05/08/02 87 24 26 1,1-DCE:0.6 <br /> Pure 05/05/03 88 29 30 1,1-DCE:0.7,t-1,2-DCE:0.6 <br /> Purge - 04/20/04 58 18 24 <br /> PDB 125.5 04/21/05 3.3 <1.0 98 <br /> PDB 130.5 04/21/05 2.9 <1.0 91 <br /> Purge - 05/12/05 69 23 45 <br /> Page 49 of 115 <br />