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MONITORING AND REPORTING PROGRAM 5 <br /> J. R. SIMPLOT COMPANY <br /> LATHROP, SAN JOAQUIN COUNTY <br /> TABLE II. GROUND WATER MONITORING <br /> Report in Sampling <br /> Parameter/Constituent Units of Frequency <br /> Field Parameters <br /> Water elevation Feet & hundredths above MSL Quarterly <br /> Temperature °C Quarterly <br /> pH Std pH units Quarterly <br /> Specific Conductivity µmhos/cm Quarterly <br /> Volume purged from well gallons Quarterly <br /> Monitoring Parameters <br /> Total Dissolved Solids mg/1 Quarterly <br /> Chlorides mg/1 Quarterly <br /> Sodium mg/l Quarterly <br /> Constituents of Concern <br /> Sulfates mg/1 Quarterly <br /> Nitrates mg/1 Quarterly <br /> Ammonia mg/1 Quarterly <br /> Phosphates mg/1 Quarterly <br /> Chemical Oxygen Demand mg/1 Annually <br /> Minerals' mg/1 Annually <br /> Metals2 mg/1 Annually <br /> EPA Methods 601 & 602 constituents3 µg/1 Annually <br /> I Those minerals listed under "Class II Surface Impoundment Monitoring" <br /> 2 Those metals listed under "Class H Surface Impoundment Monitoring" <br /> using dissolved metals analyses <br /> 3 Report all peaks <br /> 9. Vadose Zone Monitoring <br /> All lysimeters shall be monitored monthly as shown in Table V and results reported to the <br /> Board quarterly. <br />