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PDB Field Deployment Sampling Events for 2Q Biennial <br /> Former Nestle USA, Inc. Facility, Ripon, CA <br /> Well Screened Length Sampling Depth of PDBs <br /> Identification Interval of Frequency" (feet, bgs) IpGeLotracker Comments <br /> (feet,bgs) Screen (B,A,SA,Q, Circle or check when <br /> (feet) Inf/E Deployed Tether Location Y/N <br /> Biennial wells <br /> * **Quarterly per the RWQCB response to I RAP Workplan. <br /> QA/QC Samples: <br /> 1)A blank from each container of distilled/deionized water used to fill the PDB's;to be analyzed for VOCs. <br /> 2)One equipment per day, as applicable, from any equipment used downhole that may contact groundwater and is used in more than one well;to be analyzed for VOC's. <br /> 3)At least 10%duplicate samples. (For this quarter=13 duplicates) <br /> 4)A trip blank will accompany each cooler containing VOC samples. <br /> 5)One field blank per day of sampling;to be analyzed for VOC's. <br /> Received by: Date: Checked: <br /> 9of9 <br />