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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 /> 1,2-DCB:1.6;
<br /> M 01/28/11 <0.10 <0.10 <0.10 11
<br /> 3-DCB:0.14;
<br /> 1,4-Dichlorobenzene:0.22;
<br /> Tetrachloroethene(PCE):0.15
<br /> M 02/25/11 <0.10 <0.10 <0.10 1,2-DCB 0.47;
<br /> 1,4-Dichlorobenzene 0.11
<br /> M 03/22/11 <0.10 <0.10 <0.10 1,2-DCB 0.55
<br /> M 04/21/11 Access Denied
<br /> M 05/24/11 <0.10 <0.10 <0.10 1,2-DCB 0.63;
<br /> 1,4-Dichlorobenzene 0.10
<br /> 1,2-DCB:1.2;
<br /> M 06/24/11 <0.10 <0.10 <0.10 1,3-DCB:0.10;
<br /> 1,4-Dichlorobenzene:0.14
<br /> Tetrachloroethene(PCE):0.16;
<br /> M 07/25/11 <0.10 <0.10 <0.10 1,4-Dichlorobenzene 0.12;
<br /> 1,2-DCB 1.2;
<br /> Tetrachloroethene(PCE):0.16;
<br /> M 08/09/11 <0.10 <0.10 <0.10 1,4-Dichlorobenzene 0.13;
<br /> 1,2-DCB 1.1;
<br /> Tetrachloroethene(PCE):0.11;
<br /> M 09/23/11 <0.10 <0.10 <0.10 1,3-DCB 0.11;
<br /> 1,4-Dichlorobenzene 0.16;
<br /> 1,2-DCB 1.5;
<br /> M 10/31/11 <0.10 <0.10 <0.10 1,2-DCB 0.69;
<br /> M 11/18/11 <0.10 <0.10 <0.10 1,2-DCB:0.25
<br /> M 12/12/11 <0.10 <0.10 <0.10
<br /> M 01/27/12 <0.10 0.26 <0.10 1,2-DCB:0.75;Cross-contamination for TCE confirmed with Trip Blank and
<br /> confirmation sample collected on 01/31/12.
<br /> M 01/31/12 <0.10 <0.10 <0.10 1,2-DCB:0.65;
<br /> M 02/23/12 <0.10 <0.10 <0.10 1,2-DCB:0.83;
<br /> M 03/06/12 <0.10 <0.10 <0.10 1,2-DCB:0.96;
<br /> M 04/26/12 <0.10 <0.10 <0.10 1,2-DCB:0.82;
<br /> M 05/08/12 <0.10 <0.10 <0.10 1,2-DCB:0.20;
<br /> M 06/05/12 <0.10 <0.10 <0.10 1,2-DCB:0.15;
<br /> M 07/19/12 <0.10 <0.10 <0.10 1,2-DCB:0.79;
<br /> M 08/07/12 <0.10 <0.10 <0.10 1,2-DCB:0.97;
<br /> M 09/11/12 <0.10 <0.10 <0.10 11
<br /> 2-DCB:1.2;
<br /> 1,3-DCB:0.11;
<br /> M 10/09/12 <0.10 <0.10 <0.10 1,2-DCB:0.80;
<br /> M 11/20/12 <0.10 <0.10 <0.10 1,2-DCB:0.59;
<br /> M 12/20/12 <0.10 <0.10 <0.10 1,2-DCB:0.43;
<br /> Grab M 01/24/13 <0.10 <0.10 <0.10 1,2-DCB:0.62;
<br /> Grab M 02/20/13 <0.10 <0.10 <0.10 1,2-DCB:0.23;
<br /> Grab M 03/05/13 <0.10 <0.10 <0.10 1,2-DCB:0.21;
<br /> Grab M 04/16/13 <0.10 <0.10 <0.10 1,2-DCB:0.17;
<br /> Grab M 05/07/13 <0.10 <0.10 <0.10 1,2-DCB:0.38;
<br /> Grab M 06/04/13 <0.10 <0.10 <0.10 1,2-DCB:0.15;
<br /> Grab M 07/23/13 <0.10 <0.10 <0.10 1,2-DCB:0.28;
<br /> Grab M 08/06/13 <0.10 <0.10 <0.10 1,2-DCB:0.31;
<br /> Grab M 09/03/13 <0.10 <0.10 <0.10 1,2-DCB:0.20
<br /> Grab M 10/01/13 <0.10 <0.10 <0.10 1,2-DCB:0.17;
<br /> Grab M 11/05/13 <0.10 <0.10 <0.10
<br /> Grab M 12/03/13 <0.10 <0.10 <0.10 1,2-DCB:0.24
<br /> 5725 HALL NR 03/17/05 13 6.4 1.4
<br /> Bi-weekly 05/11/05 12 6.9 1.8 1,1-DCE:0.3;t-1,2-DCE:0.1
<br /> Bi-week) 05/18/05 12 7.4 1.6 1,1-DCE:0.3;t-1,2-DCE:0.1
<br /> Bi-weekly 05/27/05 9.9 6.1 1.4 1,1-DCE:0.2;t-1,2-DCE:0.1
<br /> Bi-week) 06/21/05 9.1 5.9 1.2 1,1-DCE:0.2;t-1,2-DCE:0.1
<br /> Bi-weekly 07/11/05 8.8 5 0.56 1,1-DCE:0.2;t-1,2-DCE:0.1
<br /> Bi-week) 07/29/05 9.7 4.8 0.76 1,1-DCE:0.2
<br /> Bi-weekly 08/10/05 9.7 4.9 0.7 1,1-DCE:0.2;t-1,2-DCE:0.1
<br /> Bi-week) 08/26/05 10 4.9 0.9 1,1-DCE:0.2
<br /> Bi-weekly 09/07/05 9.8 5.2 0.63 1,1-DCE:0.2;t-1,2-DCE:0.1
<br /> Bi-week) 09/22/05 9.6 5 0.63 1,1-DCE:0.2
<br /> Bi-weekly 10/19/05 9.7 4.9 0.6 1,1-DCE:0.2
<br /> Bi-week) 12/07/05 10 5.3 0.58 1,1-DCE:0.2;t-1,2-DCE:0.1
<br /> Bi-weekly 01/11/06 20 9.3 2 1,1-DCE:0.2;t-1,2-DCE:0.4
<br /> Bi-week) 02/06/06 19 9.7 2.6 1,1-DCE:0.2;t-1,2-DCE:0.4
<br /> Bi-weekly 03/02/06 20 10 2.5 1,1-DCE:0.2;t-1,2-DCE:0.4
<br /> Bi-week) 04/12/06 21 11 2.4 1,1-DCE:0.2;t-1,2-DCE:0.3
<br /> Page 100 of 115
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