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MONITORING.AND REPORTING PROGRAM NO. 5-00-113 _5" <br /> CLASS H SURFACE IMPOUNDMENT <br /> THE BURLINGTON NORTHER,AND SANTA FE RAILl7d' "Y CO. <br /> STOCKTON INTERMODAL FACILITY <br /> SAN JOAQUIN COUNTY <br /> 4. Vadose Zone-Monitoring <br /> The vadose zone monitoring system(VZMS) consists of a geonet drainage layer under the entire area of <br /> thesurface impoundment. The VZMS sump shall be inspected quarterly for leachate. In any quarter in <br /> which leachate is detected in the VZMS sump grab] samples skull be collected and analyzed for the <br /> parameters in Table 4. <br /> Table 4-Vadose Zone Monitoring <br /> Parameters U=9 Frequency <br /> Field Parameter <br /> Flow Rate gallons/month. Monthly <br /> Temperature °C Quarterly <br /> Specific Conductance utnhos/crn Quarterly <br /> pH pH number Quarterly <br /> Monitoring Parameters <br /> Total Dissolved Solids mg/L Quarterly <br /> TPH- diesel mg/L Quarterly <br /> TPHoil &grease mg/L Quarterly <br /> Volatile Organic Compounds ug/L Quarterly <br /> (EPA Method 8250,see Attachment C) <br /> Chloride mg/L Quarterly <br /> Sulfate mg/L Quarterly <br /> Nitrate-Nitrogen mg/L Quarterly <br /> Dissolved Metals(Barium, Copper,Lead, ing/L Quarterly <br /> &zinc) <br /> I <br /> OZ 'd 8b:bT 00, ZZ Inf <br />