ARCHIVED REPORTS_2013 ANNUAL REPORT

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Appendix B: Historical Analytical Results for Volatile Organic Compounds 2013 Annual Report Former Nestle USA, Inc. Facility, Ripon, CA USEPA Methods 8010,8021,8260 and 524 in micrograms per liter lµg/L) Well Sampling Average PDB Current MRP Name Method Depth(ft bgs) Sampling Sample Date cis-1.2-DCE TCE VC Comments/Other Detected VOC's Frequency Purge 10/06/98 <0.50 <0.50 <0.50 Pure 01/05/99 <0.50 <0.50 <0.50 Purge 01/05/99 <0.50 <0.50 <0.50 Duplicate Sample;1 Pure 04/06/99 <0.5 <0.5 <0.5 Purge 07/19/99 <0.50 <0.50 <0.50 Pure 10/11/99 <0.5 <0.5 <0.5 Purge 01/20/00 <0.50 <0.50 <0.50 Pure 04/18/00 <0.50 <0.50 <0.50 Purge 07/13/00 <0.50 <0.50 <0.50 Pure 10/11/00 <0.50 <0.50 <0.50 Purge 01/10/01 <1.0 <1.0 <1.0 Pure 04/11/01 <2.0 <2.0 <2.0 Tol:3.6 Purge 07/11/01 <0.50 <0.50 <0.50 Pure 10/10/01 <0.50 <0.50 <0.50 Purge 01/22/02 <0.50 <0.50 <0.50 Pure 01/22/02 <0.50 <0.50 <0.50 Duplicate Sample; Purge 05/08/02 <0.50 <0.50 <0.50 Pure 10/29/03 <0.50 <0.50 <0.50 Purge - 10/29/03 <0.50 <0.50 <0.50 Duplicate Sample; PDB 29.5 04/20/05 <0.50 <0.50 <0.50 PDB 34.5 04/20/05 <0.50 <0.50 <0.50 PDB 39.5 B 04/20/05 <0.50 <0.50 <0.50 PDB 39.5 B 05/22/07 <0.50 <0.50 <0.50 NS - B 11/06/08 <0.50 <0.50 <0.50 PDB 39.5 B 04/28/09 <0.50 <0.50 <0.50 - 04/28/09 <0.50 <0.50 <0.50 PDB 39.5 B 04/28/11 <0.50 <0.50 <0.50 - 04/28/11 <0.50 <0.50 <0.50 Duplicate Sample; PDB 39.5 B 04/11/12 <0.50 <0.50 <0.50 - 04/11/12 <0.50 <0.50 <0.50 Duplicate Sample; PDB 39.5 B 04/18/13 <0.50 <0.50 <0.50 M-12A Purge - 06/01/88 33 230 <5 1,1,1-TCA:84 Purge 03/01/89 9.3 64 <5 Pure 07/01/90 <0.50 54 <0.50 Purge 09/01/90 6.4 49.4 <0.50 Pure 12/01/90 6.4 1.7 <0.50 Purge 04/01/91 <0.50 25 <0.50 1,2-DCP:2 Pure 07/01/91 25 79 <0.50 Purge 10/01/91 29 127 <0.50 Iso-benzene:0.9,Tol:4.1,Tol:0.8;CF:1.1 Pure 03/01/92 6.4 43 <0.50 CF:0.7 Purge 06/01/92 34 132 <0.50 Pure 10/01/92 35 122 <0.50 CF:2.3 Purge 10/01/92 22 134 <0.50 Duplicate Sample;CF:1.1 Pure 01/01/93 1.9 25 <0.50 Purge 04/01/93 25 105 <0.50 Pure 08/01/93 5.1 27 <0.50 Purge 01/01/94 12 65 <0.50 Pure 03/01/95 4.4 41 <0.50 1,2-DCA:0.8 Purge 04/01/96 24 130 <0.50 Pure 04/01/97 <0.50 24 <0.50 Purge 04/30/98 2.9 21 <0.50 Pure 04/08/99 1.1 7.9 <0.5 Purge 04/13/00 0.8 7.7 <0.50 Pure 05/01/98 <0.50 <0.50 <0.50 Purge 04/06/99 <0.5 <0.5 <0.5 Pure 04/17/00 <0.50 <0.50 <0.50 Purge 04/11/01 <2.0 <2.0 <2.0 Pure 10/11/01 <0.50 <0.50 <0.50 Purge 05/09/02 0.7 4.4 <0.50 Pure 05/07/03 17 39 2.6 Purge - 04/23/04 17 37 2.8 PDB 91.5 04/22/05 3.2 19 0.5 PDB 91.5 04/22/05 3.1 18 <0.50 Duplicate Sample; PDB 96.5 04/22/05 4.9 20 1.3 PDB 101.5 04/22/05 4.7 20 1.4 PDB 101.5 04/22/05 5 19 1.3 Duplicate Sample; PDB 106.5 04/22/05 4.8 19 1.4 PDB 101.5 A 04/18/06 2.3 12 <0.50 PDB 101.5 A 04/25/07 1.6 5.9 <0.50 PDB 101.5 A 04/28/08 1.3 7.5 <0.50 Page 23 of 115