ARCHIVED REPORTS_SITE STATUS REPORT 2015 2ND QUARTER

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Table 4: Volatile Organic Compounds in Municipal Wells and Private Wells Second Quarter 2015 Site Status Report Former Nestle USA, Inc. Facility Ripon, CA Sample Average MRP/Sampling cis-1,2- Well ID Method PDB Depth Frequency Sample Date Dichloroethene Trichloroethene Vinyl Chloride Comments/Others* (ft,bgs) CALTRANS Grab Annual 04/16/15 <0.50 <0.50 <0.50 7507 Kiernan Ave-Irr Grab Annual 04/10/15 <0.50 <0.50 <0.50 RPS-1 Grab Monthly 01/12/15 10 3.4 <0.50 RPS-1 Grab Monthly 02/03/15 10 4.4 <0.50 RPS-1 Grab Monthly 03/03/15 9.3 3.9 <0.50 RPS-1 Grab Monthly 04/09/15 11 4.8 <0.50 RPS-1 Grab Monthly 05/05/15 7.3 3.4 <0.50 RPS-1 Grab Monthly 06/09/15 7.8 3.3 <0.50 RC-2 Grab Annual 04/16/15 <0.50 <0.50 <0.50 Notes: Highlighting=Current quarter Bold Result=Detection above laboratory reporting limit (a)Sample if the well is operating during the sampling event. (b)Sampling frequency required for private supply wells that have wellhead treatment units installed by Nestle. (c)Per request of owner,802 Vera Avenue well shall be sampled quarterly at a minimum. Nitrate sampling is not required for this well. PDB=Passive Diffusion Bag =Not Sampled NR=Not Required MRP=Monitoring and Reporting Program =Results for analysis other than 8260B are reported in milligrams per liter Some abbreviations presented below may not be used in the table;Below are all abbreviations which may appear in the comments column. TCE=Trichloroethene cis-1,2-DCE=cis-1,2-Dichloroethene 1,2-DCB=1,2-Dichlorobenzene BDCM=Bromodichloromethane VC=Vinyl Chloride 1,1,1-TCA=1,1,1-Trichloroethane DBCM=Dibromochloromethane CF=Chloroform 1,2-DCA=1,2-Dichloroethane 1,1-DCA=1,1-Dichloroethane 1,1-DCE=1,1-Dichloroethene CH4=methane SO4=sulfate TDS=total dissolved solids MN=dissolved manganese Page 3 of 3