ARCHIVED REPORTS_SITE STATUS REPORT 2018 2ND QUARTER

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Table 4 Municipal Wells and Private Wells - Groundwater Analytical Results Former Nestle Facility, Ripon, CA Average cis-1,2- Sampling Sampling Sample TCE VC Comments/ Well ID Method (DBt Depth Frequency(a) Date (pg/L) (NCE) (pg/L ) Other Constituents Grab - Monthly 5/2/2018 0.21 0.54 <0.1 Grab - Monthly 6/5/2018 0.57 1 1.5 1 <0.1 CF: 0.2 Other Wells(Potable) RC-1 Grab - Quarterly 1/9/2018 0.52 0.97 <0.1 CF: 0.33 Grab - Quarterly 4/12/2018 0.73 1.3 <0.1 CF: 0.3 Municipal Wells(Non-Potable) MW-5 Grab I ISemi-Annual (b) 4/5/2018 1 <0.5 1 <0.5 1 <0.5 MW-11 Grab - Quarterly(b) 1/4/2018 <0.5 <0.5 <0.5 Grab - Quarterly(b) 4/5/2018 <0.5 <0.5 <0.5 Diamond Pet Foods Wells(Non-Potable and Monitoring Wells) PW-6 Grab - Semi-Annual (b) 4/13/2018 <0.5 <0.5 <0.5 PW-8 Grab - Semi-Annual (b) 4/13/2018 <0.5 <0.5 <0.5 TH-1 PDB 278.5 Annual 4/13/2018 <0.5 <0.5 <0.5 (DUP) PDB 278.5 Annual 4/13/2018 <0.5 <0.5 <0.5 TH-7 PDB 90 Annual 4/12/2018 0.71 1.7 <0.5 TH-8 PDB 142.5 Semi-Annual 4/12/2018 0.8 2.7 2.5 TH-9 PDB 87.5 Semi-Annual 4/12/2018 5.1 15 9.6 TH-10 PDB 150.5 Semi-Annual 4/12/2018 2.1 170 160 1,1-DCE: 2.2; trans-1.2-DCE: 3 TH-11 PDB 175 Semi-Annual 4/13/2018 5.5 18 <0.5 Irrigation Wells CalTrans Grab - Annual 4/12/2018 0.66 <0.5 <0.5 1,1-DCE: 0.53 RPS-1 Grab - Monthly 1/9/2018 5.4 15 <0.5 Grab - Monthly 2/6/2018 6.8 15 <0.5 Grab - Monthly 3/6/2018 5.4 13 <0.5 Grab - Monthly 4/12/2018 6.7 14 <0.5 Grab - Monthly 5/2/2018 6.3 16 <0.5 Grab - Monthly 6/5/2018 5.9 14 <0.5 RC-2 Grab - Annual 4/17/2018 1 <0.5 <0.5 <0.5 Notes: (a)Sampling frequency is based on the Monitoring and Reporting Program(MRP R5-2014-0815,2/17/17 MRP revision,and MRP R5-2015-0012-001)issued by the RWQCB. (b)Well sampled if operational during the sampling event EPA Method 524.2 used for potable wells and EPA Method 8260B used for non-potable wells. PDB=Passive Diffusion Bag Second Quarter 2018 Site Status Report ECM Consultants Nestle USA, Inc. Page 2 of 3 8/10/2018