ARCHIVED REPORTS_2013 ANNUAL REPORT

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Table 5.2: Volatile Organic Compounds in Intermediate Aquifer Wells 2013 Annual Report Former Nestle USA, Inc. Facility, Ripon, CA Sample Average MRP / Sample cis-1,2- Well ID Method PDB Depth Sampling Date DCE TCE VC Comments/Others (feet bgs) Frequency USEPA Method 8260B, micrograms per liter (pg/L) Intermediate Aquifer E-6 PDB 145.5 Semi-Annual 04/12/13 70 22 39 1,1-DCE: 0.74; trans-1,2-DCE: 1.2; E-6 PDB 145.5 Semi-Annual 10/10/13 69 24 44 1,1-DCE: 0.92; trans-1,2-DCE: 1.2; E-6 Duplicate 10/10/13 69 23 42 1,1-DCE: 0.81; trans-1,2-DCE: 1.1; M-5C1 PDB 161.5 Quarterly 01/23/13 0.53 0.83 <0.50 M-5C1 PDB 161.5 Quarterly 04/23/13 0.79 0.87 <0.50 M-5C1 PDB 161.5 Quarterly 07/02/13 <0.50 <0.50 <0.50 M-5C1 PDB 161.5 Quarterly 10/10/13 0.95 0.90 <0.50 M-5C1 Duplicate 10/10/13 0.95 0.84 <0.50 M-5C2 PDB 182.5 Semi-Annual 04/23/13 4.6 3.4 <0.50 M-5C2 Duplicate 04/23/13 4.8 3.4 <0.50 M-5C2 PDB 182.5 Semi-Annual 10/10/13 3.9 2.9 <0.50 M-6C1 PDB 131.5 Semi-Annual 04/12/13 64 84 <0.50 1,1-DCE: 0.54; M-6C1 PDB 131.5 Semi-Annual 10/10/13 54 120 <0.50 1,1-DCE: 0.50; M-6C2 PDB 179.5 Semi-Annual 04/12/13 70 36 0.79 1,1-DCE: 0.55; M-6C2 PDB 179.5 Semi-Annual 10/10/13 13 3.7 53 M-8C1 PDB 159.5 Semi-Annual 04/12/13 31 10 19 M-8C1 PDB 159.5 Semi-Annual 10/08/13 39 13 16 trans-1,2-DCE: 0.60; M-10C1 PDB 164.5 Quarterly 01/23/13 3.5 6.0 <0.50 M-10C1 PDB 164.5 Quarterly 04/12/13 3.1 6.3 <0.50 M-10C1 PDB 164.5 Quarterly 07/02/13 2.6 6.5 <0.50 M-10C1 PDB 164.5 Quarterly 10/10/13 1.5 4.5 <0.50 M-11C1 PDB 164.5 Annual 04/18/13 3.1 1.3 2.9 M-13A PDB 127.5 Quarterly 01/23/13 13 7.1 <0.50 M-13A PDB 127.5 Quarterly 04/12/13 12 6.8 <0.50 M-13A PDB 127.5 Quarterly 07/02/13 15 8.6 <0.50 M-13A PDB 127.5 Quarterly 10/08/13 18 9.8 <0.50 M-16A PDB 125.5 Biennial 04/23/13 <0.50 <0.50 <0.50 M-16C1 PDB 165.5 Annual 04/23/13 <0.50 <0.50 <0.50 Page 1 of 5