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 M-29C1 PDB 162.5 Annual 04/23/13 <0.50 <0.50 <0.50 PCE: 0.65; M-29C2 PDB 183.5 Annual 04/23/13 <0.50 <0.50 <0.50 M-30C1 PDB 127.5 Quarterly 01/21/13 100 38 110 1,1-DCE: 1.3; trans-1,2-DCE: 1.8; M-30C1 PDB 127.5 Quarterly 04/22/13 91 37 36 1,1-DCE: 1.2; trans-1,2-DCE: 1.8; M-30C1 PDB 127.5 Quarterly 07/03/13 88 37 80 1,1-DCE: 1.4; trans-1,2-DCE: 1.8; M-30C1 PDB 127.5 Quarterly 10/08/13 92 36 90 1,1-DCE: 1.4; trans-1,2-DCE: 1.7; M-30C2 PDB 152.5 Quarterly 01/21/13 <0.50 <0.50 <0.50 M-30C2 PDB 152.5 Quarterly 04/22/13 1.2 <0.50 <0.50 M-30C2 PDB 152.5 Quarterly 07/03/13 <0.50 <0.50 <0.50 M-30C2 PDB 152.5 Quarterly 10/08/13 <0.50 <0.50 <0.50 M-31C1 PDB 122.5 Quarterly 01/21/13 210 48 37 1,1-DCE: 1.1; trans-1,2-DCE: 1.1; M-31C1 PDB 122.5 Quarterly 04/22/13 200 48 14 111-DCE: 0.63; trans-1,2-DCE: 0.87; M-31C1 PDB 122.5 Quarterly 07/03/13 170 45 6.9 1,1-DCE: 1.0; trans-1,2-DCE: 0.86; M-31C1 PDB 122.5 Quarterly 10/08/13 170 43 19 1,1-DCE: 1.1; trans-1,2-DCE: 1.1; M-32C PDB 135.5 Quarterly 01/21/13 6.0 2.1 <0.50 M-32C PDB 135.5 Quarterly 04/23/13 13 4.1 <0.50 M-32C Duplicate 04/23/13 13 4 <0.50 M-32C PDB 135.5 Quarterly 07/03/13 8.8 3.2 <0.50 M-32C PDB 135.5 Quarterly 10/08/13 10 4.3 <0.50 M-34C PDB 142.5 Quarterly 01/21/13 <0.50 <0.50 <0.50 M-34C Duplicate 01/21/13 <0.50 <0.50 <0.50 T- M-34C PDB 142.5Quarterly 04/15/13 <0.50 <0.50 <0.50 M-34C Duplicate 04/15/13 <0.50 <0.50 <0.50 M-34C PDB 142.5 Quarterly 07/05/13 <0.50 <0.50 <0.50 M-34C PDB 142.5 Quarterly 10/10/13 <0.50 <0.50 <0.50 Page 3 of 5