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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 /> - 08/01/12 8.3 190 <0.50 Duplicate Sample; <br /> PDB 109.5 Q 10/15/12 8.0 200 <0.50 <br /> - 10/15/12 8.0 190 <0.50 Duplicate Sample; <br /> PDB 109.5 Q 01/23/13 7.8 180 <0.50 <br /> PDB 109.5 Q 04/12/13 9.0 190 <2.5 <br /> - 04/12/13 8.6 190 <2.5 Duplicate Sample; <br /> PDB 109.5 Q 07/02/13 7.6 190 <0.50 <br /> - 07/02/13 7.5 190 <0.50 Duplicate Sample; <br /> PDB 109.5 Q 10/10/13 7.9 160 <0.50 <br /> - 10/10/13 7.3 160 <0.50 Duplicate Sample; <br /> M-10B Purge 06/01/88 NA <0.50 <0.50 <br /> Pure 03/01/89 <0.50 <0.50 <0.50 <br /> Purge 11/01/89 <0.50 <0.50 <0.50 <br /> Pure 03/01/90 <0.50 <0.50 <0.50 <br /> Purge 03/01/90 <0.50 <0.50 <0.50 Duplicate Sample; <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 10/01/91 <0.50 <0.50 <0.50 Duplicate Sample; <br /> Purge 03/01/92 <0.50 <0.50 <0.50 <br /> Pure 06/01/92 <0.50 <0.50 <0.50 <br /> Purge 10/01/92 1.6 <0.50 <0.50 <br /> Pure 01/01/93 <0.50 <0.50 <0.50 <br /> Purge 04/01/93 <0.50 <0.50 <0.50 <br /> Pure 08/01/93 <0.50 <0.50 <0.50 <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 <br /> Purge 05/01/98 <0.50 <0.50 <0.50 <br /> Pure 10/06/98 <0.50 <0.50 <0.50 <br /> Purge 04/06/99 <0.5 16 <0.5 <br /> Pure 10/11/99 <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 10/11/00 <0.50 <0.50 <0.50 Duplicate Sample;1 <br /> Pure 04/11/01 <2.0 <2.0 <2.0 <br /> Purge 07/12/01 <0.50 <0.50 <0.50 CM:1.4 <br /> Pure 10/10/01 <0.50 <0.50 <0.50 <br /> Purge 01/23/02 <0.50 <0.50 <0.50 <br /> Pure 05/07/02 <0.50 <0.50 <0.50 <br /> Purge - 10/28/03 <0.50 <0.50 <0.50 <br /> PDB 29.5 04/26/05 <0.50 <0.50 <0.50 <br /> PDB 29.5 04/26/05 <0.50 <0.50 <0.50 Duplicate Sample; <br /> PDB 34.5 04/26/05 <0.50 <0.50 <0.50 <br /> PDB 39.5 B 04/26/05 <0.50 <0.50 <0.50 <br /> PDB 39.5 B 04/25/07 <0.50 <0.50 <0.50 <br /> PDB 39.5 B 04/10/09 <0.50 <0.50 <0.50 <br /> PDB 39.5 SA 04/12/11 <0.50 <0.50 <0.50 <br /> PDB 39.5 SA 10/28/11 <0.50 <0.50 <0.50 <br /> PDB 39.5 SA 04/11/12 <0.50 <0.50 <0.50 <br /> PDB 39.5 SA 10/15/12 <0.50 <0.50 <0.50 <br /> PDB 39.5 SA 04/12/13 <0.50 <0.50 <0.50 <br /> PDB 39.5 SA 10/10/13 <0.50 <0.50 <0.50 <br /> M-11A Purge - 06/01/88 2.7 2.5 3.9 <br /> Purge 03/01/89 <0.50 <0.50 <0.50 <br /> Pure 11/01/89 <0.50 <0.50 <0.50 1,1,1-TCA:2 <br /> Purge 03/01/90 0.9 0.7 <0.50 <br /> Pure 07/01/90 0.51 0.86 <0.50 <br /> Purge 09/01/90 4.5 8.7 <0.50 <br /> Pure 12/01/90 8.7 3.2 <0.50 <br /> Purge 04/01/91 <0.50 <0.50 <0.50 <br /> Pure 07/01/91 7.7 3.6 7.5 <br /> Page 21 of 115 <br />