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Table 4: Volatile Organic Compounds in Municipal Wells and Private Wells <br /> Third Quarter 2012 Site Status Report <br /> Former Nestle USA, Inc. Facility <br /> Ripon, CA <br /> Average <br /> Sample Sampling Sample cis-12- trans-12- <br /> Well ID Method PDB Depth Frequency Date Chloroform Dichloroethene Dichloroethene Trichloroethene Vinyl Chloride Comments/Others <br /> (ft, bgs) <br /> CALTRANS Grab - Annual 05/04/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> 7507 Kiernan Ave-Irr(°) Grab - Annual 04/06/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> RC-2 Grab - Semi-Annual 04/26/12 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> Notes: <br /> Highlighting = Current quarter <br /> Bold Result = Detection above laboratory reporting limit <br /> (a) Sample if it becomes operational. <br /> (b) Sampling frequency required for private supply wells that have wellhead treatment units installed by Nestle. <br /> (c) Listed as 7607 Kiernan Avenue in 2010 MRP <br /> Inf/Eff= Influent and Effluent sampling (occurs monthly for operating extraction wells) <br /> NS = Not Sampled <br /> - = Data Not available or Unknown. <br /> NR = Sampling not required <br /> Page 5 of 5 <br />