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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 06/01/92 309 60 86 t-1,2-DCE:1.9
<br /> Pure 10/01/92 255 82 116 1,1-DCE:2.4
<br /> Purge 01/01/93 229 77 70 1,1-DCE:2.6
<br /> Pure 04/01/93 226 72 90 1,1-DCE:2.4
<br /> Purge 08/01/93 193 54 80 1,1-DCE:1.9
<br /> Pure 01/01/94 183 38 89 1,1-DCE:2
<br /> Purge 03/01/95 160 56 190 1,1-DCE:2.4,Iso-benzene:1.1,t-1,2-DCE:2.6,Tol:0.6
<br /> Pure 10/01/95 19 7.1 6.6
<br /> Purge 04/01/96 12 10 1.5
<br /> Pure 10/01/96 130 55 110 1,1-DCE:2.6,t-1,2-DCE:3
<br /> Purge 04/01/97 1.7 2.8 <0.50 1,1,1-TCA:0.8,1,2-DCA:1.5
<br /> Pure 04/01/97 <5 <5 1.4 Duplicate Sample;,1,1,1-TCA:1.2,MC:0.7,1
<br /> Purge 11/01/97 120 48 120 1,1-DCE:1.2,t-1,2-DCE:2.4
<br /> Pure 11/01/97 110 44 130 Duplicate Sample;,1,1-DCE:1.2,t-1,2-DCE:2.4
<br /> Purge 04/29/98 120 49 88 t 1,2-DCE:1.9; 1,1-DCE:1.6
<br /> Pure 10/06/98 11 5.9 <0.50 1,4-Diox:<2.5
<br /> Purge 10/06/98 11 5.7 <0.50 Duplicate Sample;3
<br /> Pure 04/07/99 100 44 87 1,1-DCE:1.7,t-1,2-DCE:2
<br /> Purge 10/07/99 96 34 42 1,1-DCE:1.2,t-1,2-DCE:1.4
<br /> Pure 10/07/99 92 35 42 Duplicate Sample;4,1,1-DCE:1.2,t-1,2-DCE:1.4
<br /> Purge 04/12/00 95 38 110 1,1-DCE:1.5;t-1,2-DCE:1.5
<br /> Pure 04/12/00 90 37 110 Duplicate Sample;4;1,1-DCE:1.5;t-1,2-DCE:1.5
<br /> Purge 10/09/00 82 34 160 1,1-DCE:1.5;t-1,2-DCE:1.9
<br /> Pure 10/10/00 38 15 56 Duplicate Sample;4;1,1-DCE:0.8;t-1,2-DCE:0.6;0.7
<br /> Purge 04/11/01 38 13 55
<br /> Pure 10/10/01 66 28 65 1,1-DCA 0.6,t1,2-DCE:0.9
<br /> Purge 05/08/02 48 18 56 1,1-DCE:0.6,tl,2-DCE:0.7
<br /> Pure 05/01/03 29 12 28
<br /> Purge 04/24/04 24 10 25
<br /> Purge - 04/24/04 24 10 25 Duplicate Sample;
<br /> PDB 149.5 04/20/05 13 2.2 15
<br /> PDB 154.5 04/20/05 13 2.2 15
<br /> PDB 159.5 04/20/05 13 2 15
<br /> PDB 164.5 04/20/05 13 2.1 14
<br /> Purge - 05/12/05 7.8 3.5 12
<br /> PDB 164.5 A 04/12/06 3.6 1.7 5.3
<br /> PDB 164.5 A 05/22/07 1.9 0.76 1.2
<br /> PDB 164.5 A 04/22/08 1.5 0.62 1.3
<br /> PDB 164.5 A 11/06/08 1.9 0.74 1.9
<br /> - 11/06/08 1.8 0.67 1.8 Duplicate Sample;
<br /> PDB 164.5 A 04/28/09 1.1 <0.50 0.6
<br /> - 04/28/09 1.3 0.58 0.89 Duplicate Sample;
<br /> PDB 164.5 A 04/19/10 0.97 <0.50 0.55
<br /> PDB 164.5 A 04/11/11 2.7 1.2 2.1
<br /> PDB 164.5 A 04/10/12 3.2 0.75 2.5
<br /> PDB 164.5 A 04/18/13 3.1 1.3 2.9
<br /> M-13A Purge - 03/01/89 <0.50 1.1 <0.50
<br /> Pure 11/01/89 <0.50 <0.50 <0.50
<br /> Purge 03/01/90 <0.50 <0.50 <0.50
<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 Tol:4.4
<br /> Pure 03/01/92 <0.50 <0.50 <0.50
<br /> Purge 06/01/92 <0.50 <0.50 <0.50
<br /> Pure 10/01/92 <0.50 <0.50 <0.50
<br /> Purge 01/01/93 <0.50 <0.50 <0.50
<br /> Pure 04/01/93 <0.50 <0.50 <0.50
<br /> Purge 08/01/93 <0.50 <0.50 <0.50
<br /> Pure 01/01/94 <0.50 <0.50 <0.50
<br /> Purge 07/01/94 <0.50 <0.50 <0.50
<br /> Pure 03/01/95 <0.50 <0.50 <0.50 Iso-benzene:2.6,Tol:0.9
<br /> Purge 10/01/95 <0.50 1 <0.50
<br /> Pure 04/01/96 <0.50 <0.50 <0.50
<br /> Purge 10/01/96 <0.50 0.9 <0.50
<br /> Pure 04/01/97 <0.50 <0.50 <0.50 MC:1.7
<br /> Purge 04/01/97 <0.50 <0.50 <0.50 Duplicate Sample;,MC:0.6
<br /> Pure 11/01/97 <0.50 <0.50 <0.50
<br /> Page 47 of 115
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