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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 10/01/91 17 5.2 24 CF:0.8 <br /> Pure 03/01/92 7 2.2 8 <br /> Purge 06/01/92 22 7.8 22 <br /> Pure 10/01/92 12 7.4 5.4 <br /> Purge 01/01/93 1.8 1.5 <0.50 CF:0.7 <br /> Pure 04/01/93 4.6 3.5 <0.50 <br /> Purge 08/01/93 4.9 2.6 <0.50 <br /> Pure 01/01/94 5.7 4.9 7.2 <br /> Purge 03/01/95 0.8 2 <0.50 <br /> Pure 04/01/96 0.7 0.9 <0.50 <br /> Purge 04/01/97 <0.50 <0.50 <0.50 <br /> Pure 04/01/97 <0.50 <0.50 <0.50 Duplicate Sample; <br /> Purge 04/29/98 <0.50 <0.50 <0.50 <br /> Pure 04/07/99 <0.5 <0.5 <0.5 <br /> Purge 04/13/00 <0.50 <0.50 <0.50 <br /> Pure 04/11/01 <2.0 <2.0 <2.0 Tol:13 <br /> Purge 05/08/02 <0.50 <0.50 <0.50 <br /> Pure 05/02/03 <0.50 <0.50 <0.50 <br /> Purge 05/02/03 <0.50 <0.50 <0.50 Duplicate Sample; <br /> Pure 04/23/04 <0.50 <0.50 <0.50 <br /> Purge - 04/20/05 <0.50 <0.50 <0.50 <br /> PDB 88.5 04/20/05 <0.50 <0.50 <0.50 <br /> PDB 93.5 04/20/05 <0.50 <0.50 <0.50 <br /> PDB 98.5 04/20/05 <0.50 <0.50 <0.50 <br /> PDB 103.5 04/20/05 <0.50 <0.50 <0.50 <br /> PDB 98.5 A 04/12/06 <0.50 <0.50 <0.50 <br /> PDB 103.5 A 05/22/07 <0.50 <0.50 <0.50 <br /> PDB 103.5 A 04/22/08 <0.50 <0.50 <0.50 <br /> Purge 103.5 A 11/06/08 <0.50 <0.50 <0.50 <br /> PDB 103.5 A 04/28/09 <0.50 <0.50 <0.50 <br /> - 04/28/09 <0.50 <0.50 <0.50 <br /> PDB 103.5 A 04/19/10 <0.50 <0.50 <0.50 <br /> PDB 103.5 A 04/11/11 <0.50 <0.50 <0.50 <br /> PDB 103.5 A 04/10/12 <0.50 <0.50 <0.50 <br /> PDB 103.5 A 04/18/13 <0.50 <0.50 <0.50 <br /> M-11B Purge - 06/01/88 <0.50 <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 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 5.7 2.1 <0.50 CF:0.7 <br /> Pure 04/01/93 <0.50 <0.50 <0.50 <br /> Purge 08/01/93 <0.50 <0.50 <0.50 CF:2 <br /> Pure 01/01/94 <0.50 <0.50 <0.50 CF:1.3 <br /> Purge 05/01/94 <0.50 <0.50 <0.50 CF:0.8 <br /> Pure 07/01/94 <0.50 <0.50 <0.50 CF:0.5 <br /> Purge 10/01/94 <0.50 2.2 <0.50 <br /> Pure 03/01/95 <0.50 <0.50 <0.50 <br /> Purge 07/01/95 <0.50 <0.50 <0.50 <br /> Pure 10/01/95 <0.50 <0.50 <0.50 <br /> Purge 01/01/96 <0.50 <0.50 <0.50 <br /> Pure 04/01/96 <0.50 <0.50 <0.50 <br /> Purge 07/01/96 <0.50 <0.50 <0.50 <br /> Pure 07/01/96 <0.50 <0.50 <0.50 <br /> Purge 10/01/96 <0.50 <0.50 <0.50 <br /> Pure 01/01/97 <0.50 <0.50 <0.50 <br /> Purge 04/01/97 <0.50 <0.50 <0.50 <br /> Pure 07/01/97 <0.50 <0.50 <0.50 <br /> Purge 11/01/97 <0.50 <0.50 <0.50 Chloroethane:1,Freonl1:1.2 <br /> Pure 02/01/98 <0.50 <0.50 <0.50 <br /> Purge 02/04/98 <0.50 <0.50 <0.50 <br /> Pure 04/29/98 <0.50 <0.50 <0.50 <br /> Purge 07/16/98 <0.50 <0.50 <0.50 <br /> Pure 07/16/98 <0.50 <0.50 <0.50 Duplicate Sample;l <br /> Page 22 of 115 <br />