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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 /> PDB 110 Q 04/12/13 9.1 5.4 <0.50
<br /> PDB 110 Q 07/02/13 12 7.9 <0.50
<br /> PDB 110 Q 10/08/13 10 7.3 <0.50
<br /> M-56A PDB 65 Q 01/31/13 <0.50 <0.50 <0.50
<br /> - 01/31/13 <0.50 <0.50 <0.50 Duplicate Sample;
<br /> PDB 65 Q 04/12/13 <0.50 <0.50 <0.50
<br /> PDB 65 Q 07/05/13 <0.50 <0.50 <0.50
<br /> PDB 65 Q 10/10/13 <0.50 <0.50 <0.50
<br /> M-57A PDB 110 Q 01/31/13 <0.50 <0.50 <0.50
<br /> PDB 110 Q 04/12/13 <0.50 <0.50 <0.50
<br /> PDB 110 Q 07/05/13 <0.50 <0.50 <0.50
<br /> PDB 110 Q 10/10/13 <0.50 <0.50 <0.50
<br /> Intermediate Aquifer
<br /> C1/C2 PIEZ* Purge - 06/04/99 8.9 6 <0.5
<br /> Purge 07/19/99 29 12 <0.50
<br /> Pure 01/21/00 70 23 <0.50 1,1-DCE:0.6;MC:0.6
<br /> Purge 04/14/00 80 22 <0.50 1,1-DCE:0.6;CF:2.1
<br /> Sampling Not Required
<br /> E-6 Purge 11/27/00 97 27 17
<br /> (Extraction Well) Pure 11/27/00 88 23 14 Duplicate Sample;
<br /> Purge 01/15/01 130 34 21
<br /> Pure 01/16/01 160 44 32 1,1-DCE:1.1
<br /> Purge 01/18/01 160 44 31 1,1-DCE:1.2
<br /> Pure 10/27/03 210 70 65 t-1,2-DCE:1.2
<br /> Purge 05/05/05 110 40 43 1,1-DCE:1.7
<br /> Grab 02/16/06 81 32 41 t-1,2-DCE:0.87;1,1-DCE:0.99
<br /> Grab 04/18/06 80 30 35
<br /> Grab 07/19/06 79 30 21
<br /> Grab Q 10/10/06 86 32 36 t-1,2-DCE:0.88;1,1-DCE:0.88
<br /> Grab Q 02/22/07 75 34 27 t-1,2-DCE:0.92;1,1-DCE:0.92
<br /> Grab Q 04/25/07 62 28 23 t-1,2-DCE:0.78;1,1-DCE:0.92
<br /> Grab Q 07/03/07 61 27 21 t-1,2-DCE:0.77;1,1-DCE:0.76
<br /> Grab Q 11/13/07 62 24 23 t-1,2-DCE:0.54;1,1-DCE:0.79
<br /> Grab Q 02/05/08 59 25 22 t-1,2-DCE:0.75;1,1-DCE:0.76
<br /> Grab Q 04/22/08 53 22 21 t-1,2-DCE:0.62;1,1-DCE:0.68
<br /> Grab Q 07/22/08 46 18 17 t-1,2-DCE:0.63;1,1-DCE:0.57
<br /> Grab Q 07/22/08 50 21 22 t-1,2-DCE:0.73;1,1-DCE:0.74,Duplicate Sample;
<br /> Grab Q 11/06/08 50 21 20 t-1,2-DCE:0.65;1,1-DCE:0.65
<br /> Grab Q 02/09/09 51 22 17 1,1-DCE:0.72;t-1,2-DCE:0.73;
<br /> Grab Q 04/24/09 43 21 17 1,1-DCE:0.53;t-1,2-DCE:0.67;
<br /> Grab Q 07/29/09 47 23 14
<br /> Grab Q 10/06/09 28 11 20
<br /> Grab Q 01/18/10 50 23 12 t-1,2-DCE:0.65;1,1-DCE:0.58
<br /> Grab Q 04/12/10 33 17 8.7 t-1,2-DCE:0.58;1,1-DCE:0.54
<br /> Grab SA 10/05/10 45 20 15 t-1,2-DCE:0.61;1,1-DCE:0.58
<br /> PDB Test Depth 145.5 SA 04/28/11 52 20 31 1,1-DCE:0.71;t-1,2-DCE:1.1
<br /> PDB Test Depth 150.5 SA 04/28/11 51 19 29 1,1-DCE:0.68;t-1,2-DCE:1.0
<br /> PDB Test Depth 155.5 SA 04/28/11 50 19 28 1,1-DCE:0.65;t-1,2-DCE:0.95
<br /> PDB 150.5 SA 11/18/11 72 20 45 1,1-DCE:0.82
<br /> PDB 145.5 SA 05/18/12 79 21 50 1,1-DCE:1.0; t-1,2-DCE:1.5
<br /> PDB 145.5 SA 10/10/12 73 26 44 1,1-DCE:0.93; t-1,2-DCE:1.3
<br /> PDB 145.5 SA 04/12/13 70 22 39 111-DCE:0.74;
<br /> t-1,2-DCE:1.2;
<br /> PDB 145.5 SA 10/10/13 69 24 44 111-DCE:0.92;
<br /> t-1,2-DCE:1.2;
<br /> - 10/10/13 69 23 42 Duplicate Sample;1,1-DCE:0.81;
<br /> t-1,2-DCE:1.1;
<br /> M-5C1 Pure 11/28/00 2.3 3.4 <0.50 From ERM report
<br /> Purge 01/10/01 2.2 2.4 <1.0
<br /> Pure 04/16/01 <2.0 <2.0 <2.0
<br /> Purge 07/12/01 2.2 3.1 <0.50 CF:1.2
<br /> Pure 07/12/01 2.2 4.1 <0.50 Duplicate Sample;CF:1.5
<br /> Purge 10/09/01 3.9 7.2 <0.50 CF:2.8
<br /> Pure 01/21/02 5.1 6.6 <0.50 CF:0.9
<br /> Purge 01/21/02 6.1 6.6 <0.50 Duplicate Sample;CF:1
<br /> Pure 05/07/02 4.7 5.7 <0.50 CF:0.7
<br /> Purge 08/02/02 2.6 3.8 <0.50 CF:0.8
<br /> Pure 10/10/02 2.9 4.4 <0.50 CF:1.1
<br /> Purge 02/04/03 8.7 8.6 <0.50 CF:1.6
<br /> Pure 05/02/03 10 14 <0.50 CF:4.5
<br /> Page 41 of 115
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