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Table 4 <br /> Municipal Wells and Private Wells - Groundwater Analytical Results <br /> Former Nestle Facility, Ripon, CA <br /> Average cis-1,2- <br /> Sampling Sampling Sample TCE VC Comments/ <br /> Well ID Method (DBt bgs)epth Frequency(a) Date (pg/L) (uCE )( pg/L) Other Constituents <br /> Irrigation Wells <br /> CalTrans Grab - Annual 4/12/2018 0.66 <0.5 <0.5 1,1-DCE: 0.53 <br /> RPS-1 Grab - Monthly 1/9/2018 5.4 15 <0.5 <br /> Grab - Monthly 2/6/2018 6.8 15 <0.5 <br /> Grab - Monthly 3/6/2018 5.4 13 <0.5 <br /> Grab - Monthly 4/12/2018 6.7 14 <0.5 <br /> Grab - Monthly 5/2/2018 6.3 16 <0.5 <br /> Grab - Monthly 6/5/2018 5.9 14 <0.5 <br /> Grab - Monthly 7/3/2018 5.2 12 <0.5 <br /> Dup Grab - Monthly 7/3/2018 6.7 16 <0.5 <br /> Grab - Monthly 8/7/2018 5.0 12.0 <0.5 <br /> Grab - Monthly 9/4/2018 7.0 14.0 <0.5 <br /> RPS-2 Grab - NA 7/23/2018 <0.5 <0.5 <0.5 <br /> RC-2 Grab - Annual 4/17/2018 <0.5 <0.5 <0.5 <br /> Notes: <br /> (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. <br /> (b)Well sampled if operational during the sampling event <br /> EPA Method 524.2 used for potable wells and EPA Method 8260B used for non-potable wells. <br /> PDB=Passive Diffusion Bag <br /> Volatile organic compounds data in micrograms per liter(pg/L) <br /> TCE=Trichloroethene <br /> cis-1,2-DCE=cis-1,2-Dichloroethene <br /> VC=Vinyl Chloride <br /> BF=Bromoform <br /> CF=Chloroform <br /> CDBM=Chlorodibromomethane <br /> DBCM=Dibromochloromethane <br /> 1,1-DCE=1,1-Dichloroethene <br /> 1,2-DCB=1,2-Dichlorobenzene <br /> "<"=Less than the method detection limit,"NS"=Not sampled,"DUP"=Sample duplicate <br /> Third Quarter 2018 Site Status Report ECM Consultants <br /> Nestle USA, Inc. Page 23 of 23 11/12/2018 <br />