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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 04/10/01 <2.0 <2.0 <2.0 <br /> Pure 10/10/01 <0.50 <0.50 <0.50 <br /> Purge 05/08/02 <0.50 <0.50 <0.50 CM:0.9 <br /> Purge - 10/29/03 <0.50 <0.50 <0.50 <br /> PDB 32.5 04/20/05 <0.50 <0.50 <0.50 <br /> PDB 37.5 B 04/20/05 <0.50 <0.50 <0.50 <br /> PDB - B 04/30/09 <0.50 <0.50 <0.50 1,1-DCE:0.62 <br /> PDB 37.5 B 04/28/11 <0.50 <0.50 <0.50 <br /> PDB 37.5 B 04/10/12 <0.50 <0.50 <0.50 <br /> - 04/10/12 <0.50 <0.50 <0.50 Duplicate Sample; <br /> PDB 37.5 B 04/18/13 <0.50 <0.50 <0.50 <br /> M-8A Purge - 10/01/87 89 30 100 1,1-DCE:1 <br /> Purge 06/01/88 100 <5 12 <br /> Pure 03/01/89 26 3.9 0.7 1,1,1-TCA:1.8 <br /> Purge 03/01/89 24 3.7 0.7 Duplicate Sample;,1,1,1-TCA:1.7 <br /> Pure 11/01/89 19 9 <0.50 <br /> Purge 03/01/90 26 13 <0.50 <br /> Pure 07/01/90 16 5.9 0.7 <br /> Purge 09/01/90 57.4 31.3 <0.50 <br /> Pure 12/01/90 17 27 <0.50 <br /> Purge 12/01/90 <0.50 <0.50 <0.50 Duplicate Sample; <br /> Pure 04/01/91 9.7 42 <0.50 <br /> Purge 07/01/91 6.9 19 39 <br /> Pure 07/01/91 62 17 78 Duplicate Sample;,t-1,2-DCE:0.8 <br /> Purge 10/01/91 67 27 67 1,1-DCE:0.7,t-1,2-DCE:0.7 <br /> Pure 03/01/92 106 28 14 1,1-DCE:1 <br /> Purge 06/01/92 107 44 102 1,1-DCE:1,t-1,2-DCE:1 <br /> Pure 10/01/92 106 68 56 1,1-DCE:1.2 <br /> Purge 04/01/93 105 47 <0.50 1,1-DCE:1.1 <br /> Pure 06/01/93 116 56 <0.50 <br /> Purge 08/01/93 68 27 21 1,1-DCE:0.9 <br /> Pure 01/01/94 139 54 94 1,1-DCE:1.9 <br /> Purge 03/01/95 53 30 1.6 1,1-DCE:0.5,Iso-benzene:5,Tol:3.8 <br /> Pure 04/01/96 34 17 30 <br /> Purge 04/01/97 1.4 72 <0.50 <br /> Pure 04/29/98 34 13 <0.50 <br /> Purge 04/29/98 35 14 <0.50 Duplicate Sample;4 <br /> Pure 04/08/99 55 22 <0.5 t-1,2-DCE:0.5 <br /> Purge 04/08/99 53 21 <0.5 Duplicate Sample; <br /> Pure 04/12/00 21 7.8 <0.50 CF:0.5 <br /> Purge 04/12/01 <2.0 <2.0 <2.0 <br /> Pure 05/09/02 2 1 <0.50 <br /> Purge 05/02/03 6.7 2.8 4.1 <br /> Purge - 04/21/04 3.2 1.4 2.7 <br /> PDB 93.5 04/19/05 0.77 0.58 <0.50 <br /> PDB 98.5 04/19/05 0.74 0.53 <0.50 <br /> PDB 103.5 04/19/05 0.79 0.56 <0.50 <br /> PDB 108.5 04/19/05 0.71 0.5 <0.50 <br /> PDB 103.5 A 04/18/06 0.71 <0.50 <0.50 <br /> PDB 103.5 A 04/25/07 0.84 <0.50 <0.50 <br /> PDB 103.5 A 04/28/08 0.94 <0.50 <0.50 <br /> Pure 103.5 A 10/21/08 0.89 0.5 <0.50 <br /> PDB 103.5 A 04/10/09 <0.50 <0.50 <0.50 <br /> PDB 103.5 A 04/28/10 <0.50 <0.50 <0.50 <br /> Low-flow purge 103.5 A 08/05/10 <0.50 <0.50 <0.50 <br /> 103.5 M 11/23/10 <0.50 <0.50 <0.50 <br /> 103.5 M 12/21/10 <0.50 <0.50 <0.50 <br /> PDB 103.5 A 01/11/11 <0.50 <0.50 <0.50 <br /> PDB 103.5 A 04/12/11 <0.50 <0.50 <0.50 <br /> PDB 103.5 A 07/12/11 <0.50 <0.50 <0.50 <br /> PDB 103.5 A 10/24/11 <0.50 <0.50 <0.50 <br /> PDB 103.5 A 01/24/12 <0.50 <0.50 <0.50 <br /> PDB 103.5 A 05/18/12 <0.50 <0.50 <0.50 <br /> PDB 103.5 A 08/09/12 <0.50 <0.50 <0.50 <br /> - 08/09/12 <0.50 <0.50 <0.50 Duplicate Sample; <br /> PDB 103.5 A 04/12/13 <0.50 <0.50 <0.50 <br /> M-813 Purge - 10/01/87 <5 360 <5 <br /> Pure 06/01/88 NA 300 <0.50 <br /> Purge 03/01/89 <50 900 <50 <br /> Pure 11/01/89 <50 1300 <50 <br /> Page 17 of 115 <br />