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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 01/01/94 <0.50 11 <0.50 PCE:4.5 <br /> Pure 03/01/95 <0.50 11 <0.50 PCE:1.2 <br /> Purge 10/01/95 <0.50 4.5 <0.50 PCE:1.2 <br /> Pure 04/01/96 <0.50 10 <0.50 <br /> Purge 10/01/96 <0.50 5.1 <0.50 CF:1.1 <br /> Pure 04/01/97 <0.50 2.8 <0.50 PCE:0.7 <br /> Purge 11/01/97 <0.50 <0.50 <0.50 <br /> Pure 05/01/98 <0.50 1.4 <0.50 <br /> Purge 10/07/98 <0.50 1.1 <0.50 <br /> Pure 10/07/98 <0.50 1.5 <0.50 Duplicate Sample;l <br /> Purge 04/09/99 <0.5 1.9 <0.5 <br /> Pure 10/07/99 <0.5 2.4 <0.5 <br /> Purge 04/14/00 <0.50 2.8 <0.50 <br /> Pure 10/09/00 <0.50 4.7 <0.50 CCL4:0.5 <br /> Purge 04/11/01 <2.0 <2.0 <2.0 <br /> Pure 07/12/01 <0.50 4.8 <0.50 CM:1.5 <br /> Purge 10/11/01 <0.50 5.3 <0.50 PCE:0.6 <br /> Pure 01/23/02 0.5 2.8 <0.50 PCE:2.5 <br /> Purge 05/07/02 <0.50 2.9 <0.50 PCE:1.0 <br /> Pure 07/23/02 <0.50 4.1 <0.50 PCE:0.5 <br /> Purge 10/09/02 <0.50 3.6 <0.50 <br /> Pure 02/04/03 <0.50 4 <0.50 PCE:0.6 <br /> Purge 05/06/03 <0.50 4.1 <0.50 <br /> Pure 07/22/03 <0.50 3.5 <0.50 PCE:0.6 <br /> Purge 10/28/03 <0.50 3.9 <0.50 <br /> Pure 01/23/04 <0.50 3.4 <0.50 <br /> Purge 04/20/04 <0.50 3.6 <0.50 <br /> Pure 07/20/04 <0.50 5.1 <0.50 <br /> Purge 10/13/04 <0.50 5.7 <0.50 <br /> Purge - 01/25/05 <0.50 6.2 <0.50 <br /> PDB 94.5 04/26/05 <0.50 7.3 <0.50 <br /> PDB 94.5 04/26/05 <0.50 7 <0.50 Duplicate Sample; <br /> PDB 99.5 04/26/05 <0.50 6.8 <0.50 <br /> PDB 104.5 04/26/05 <0.50 7.2 <0.50 <br /> PDB 109.5 04/26/05 0.73 8.4 <0.50 <br /> PDB 109.5 08/24/05 0.87 29 <0.50 <br /> PDB 109.5 10/28/05 1.5 79 <0.50 <br /> PDB 109.5 01/26/06 1.4 82 <0.50 <br /> PDB 109.5 04/19/06 1.4 56 <0.50 CCI-4:1.8;Actual depth is 109.5,not 109 ft bgs. <br /> PDB 109.5 07/19/06 2.8 140 <1.0 Actual depth is 109.5,not 109 ft bgs. <br /> PDB 109.5 Q 10/17/06 3.1 150 <2 <br /> PDB 109.5 Q 02/26/07 3.2 140 <2 <br /> PDB 109.5 Q 04/25/07 4 160 <2 <br /> PDB 109.5 Q 07/03/07 3.5 150 <1.0 <br /> - 07/03/07 3.4 160 <1.0 Duplicate Sample; <br /> PDB 109.5 Q 10/07/07 3.8 110 <1.0 <br /> PDB 109.5 Q 02/27/08 2.5 71 <0.50 <br /> PDB 109.5 Q 04/24/08 4.4 88 <1.0 <br /> PDB 109.5 Q 07/22/08 4 73 <0.50 <br /> PDB 109.5 Q 10/16/08 3.7 95 <0.50 CF:0.88 <br /> PDB 109.5 Q 01/26/09 4.6 86 <0.50 CF:1 <br /> - 01/26/09 4 86 <0.50 CF:1;Duplicate Sample; <br /> PDB 109.5 Q 04/10/09 4.6 85 <1.0 <br /> PDB 109.5 Q 07/28/09 6.6 250 <1.0 <br /> PDB 109.5 Q 10/26/09 2.6 2(i) <1.0 <br /> PDB 109.5 Q 01/14/10 6.6 300 <0.50 <br /> Low-flow purge 109.5 Q 04/26/10 6 300 <0.50 <br /> Low-flow pure 109.5 Q 08/03/10 5.8 310 <1.0 <br /> - 08/03/10 5.9 320 <0.50 Duplicate Sample; <br /> PDB 109.5 Q 10/21/10 5.9 340 <0.50 <br /> PDB 109.5 Q 01/11/11 6.1 320 <5.0 <br /> PDB 109.5 Q 04/12/11 6.4 300 <0.50 <br /> PDB 109.5 Q 07/08/11 6.9 180 <0.50 <br /> - 07/08/11 6.6 190 <0.50 Duplicate Sample; <br /> PDB 109.5 Q 10/28/11 7.3 180 <0.50 <br /> - 10/28/11 7.3 180 <0.50 Duplicate Sample; <br /> PDB 109.5 Q 01/13/12 6.6 190 <0.50 <br /> PDB 109.5 Q 04/11/12 5.6 190 <2.5 <br /> - 04/11/12 6.1 190 <2.5 Duplicate Sample; <br /> PDB 109.5 Q 08/01/12 8.5 190 <0.50 <br /> Page 20 of 115 <br />