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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 107.5 Q 01/11/11 <0.50 0.58 <0.50 <br /> - 01/11/11 <0.50 0.55 <0.50 Duplicate Sample; <br /> PDB 107.5 Q 04/11/11 <0.50 0.57 <0.50 <br /> PDB 107.5 Q 07/12/11 <0.50 0.61 <0.50 <br /> PDB 107.5 Q 10/28/11 <0.50 <0.50 <0.50 <br /> PDB 107.5 Q 01/13/12 <0.50 <0.50 <0.50 <br /> PDB 107.5 Q 04/11/12 <0.50 <0.50 <0.50 <br /> PDB 107.5 Q 07/31/12 <0.50 <0.50 <0.50 <br /> PDB 107.5 Q 10/16/12 <0.50 <0.50 <0.50 <br /> PDB 107.5 Q 01/23/13 <0.50 <0.50 <0.50 <br /> PDB 107.5 Q 04/23/13 <0.50 <0.50 <0.50 <br /> PDB 107.5 Q 07/02/13 <0.50 <0.50 <0.50 <br /> - 07/02/13 <0.50 <0.50 <0.50 <br /> PDB 107.5 Q 10/10/13 <0.50 <0.50 <0.50 <br /> M-513 Purge - 10/01/87 <0.50 <0.50 <0.50 <br /> Pure 06/01/88 NA <0.50 <0.50 <br /> Purge 03/01/89 <0.50 <0.50 <0.50 <br /> Pure 11/01/89 <0.50 <0.50 <0.50 <br /> Purge 03/01/90 <0.50 <0.50 <0.50 <br /> Pure 07/01/90 <0.50 <0.50 <0.50 <br /> Purge 09/01/90 <0.50 <0.50 <0.50 <br /> Pure 12/01/90 <0.50 <0.50 <0.50 <br /> Purge 04/01/91 <0.50 <0.50 <0.50 <br /> Pure 07/01/91 <0.50 <0.50 <0.50 <br /> Purge 10/01/91 <0.50 <0.50 <0.50 <br /> Pure 03/01/92 <0.50 <0.50 <0.50 <br /> Purge 06/01/92 <0.50 <0.50 <0.50 <br /> Pure 10/01/92 <0.50 <0.50 <0.50 <br /> Purge 01/01/93 <0.50 <0.50 <0.50 <br /> Pure 01/01/93 <0.50 <0.50 <0.50 Duplicate Sample; <br /> Purge 04/01/93 <0.50 <0.50 <0.50 <br /> Pure 04/01/93 <0.50 <0.50 <0.50 Duplicate Sample; <br /> Purge 08/01/93 <0.50 <0.50 <0.50 <br /> Pure 08/01/93 <0.50 0.7 <0.50 Duplicate Sample; <br /> Purge 01/01/94 <0.50 <0.50 <0.50 <br /> Pure 07/01/94 <0.50 <0.50 <0.50 <br /> Purge 03/01/95 <0.50 <0.50 <0.50 <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 Chloroethane:0.9 <br /> Purge 04/28/98 <0.50 <0.50 <0.50 <br /> Pure 10/06/98 <0.50 <0.50 <0.50 <br /> Purge 04/06/99 <0.5 <0.5 <0.5 <br /> Pure 10/07/99 <0.5 <0.5 <0.5 <br /> Purge 04/18/00 <0.50 <0.50 <0.50 <br /> Pure 10/11/00 <0.50 <0.50 <0.50 <br /> Purge 04/12/01 <2.0 <2.0 <2.0 <br /> Pure 10/10/01 <0.50 <0.50 <0.50 CM:1.0 <br /> Purge 05/07/02 <0.50 <0.50 <0.50 <br /> Purge - 05/02/03 <0.50 <0.50 <0.50 <br /> PDB 33.5 04/27/05 <0.50 <0.50 <0.50 <br /> PDB 38.5 04/27/05 <0.50 <0.50 <0.50 <br /> PDB 38.5 A 04/25/06 <0.50 <0.50 <0.50 <br /> PDB 38.5 A 05/10/07 <0.50 <0.50 <0.50 <br /> PDB 38.5 A 04/23/08 <0.50 <0.50 <0.50 <br /> PDB 38.5 A 04/23/09 <0.50 <0.50 <0.50 <br /> - 04/23/09 <0.50 <0.50 <0.50 Duplicate Sample; <br /> PDB 38.5 A 04/12/10 <0.50 <0.50 <0.50 <br /> PDB 38.5 A 04/11/11 <0.50 <0.50 <0.50 <br /> PDB 38.5 A 04/11/12 <0.50 <0.50 <0.50 <br /> PDB 38.5 A 04/23/13 <0.50 <0.50 <0.50 CF:1.2; <br /> M-6A Purge - 10/01/87 8 210 <5 <br /> Purge 06/01/88 NA 60 <5 <br /> Pure 03/01/89 6.6 170 <5 <br /> Purge 10/01/91 64 15 <0.50 1,1-DCE:0.6,t-1,2-DCE:0.6,Tol:1.6;CF:1.6 <br /> Pure 03/01/92 70 195 <0.50 t-1,2-DCE:0.7;CF:1.3 <br /> Purge 06/01/92 70 278 <0.50 1,1-DCE:0.9,t-1,2-DCE:0.6 <br /> Pure 10/01/92 62 388 1.4 <br /> Page 14 of 115 <br />