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CALIFORNIA REGIO ;AL 'DATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> MONITORING AND REPORTING PROGRAM NO. 80-061 <br /> FOR <br /> SOUTHWEST HIDE COMPANY <br /> MANTECA, SAN JOAQUIN COUNTY <br /> MONITORING <br /> Samples shall be taken and measurements made as follows: <br /> Constituents Units Type of Sample Frequency Location <br /> Dissolved Oxygen mg/l Grab Monthly Evaporation Pond <br /> Pond Freeboard Feet - - Monthly Evaporation Pond <br /> GROUN Dt4ATER <br /> Within 120 days of the effective date of these requirements wells or test holes <br /> shall be provided to monitor the elevation and quality of groundwater in the area <br /> of the disposal site. These wells or test holes will be located and designed under <br /> the direction of the Board's staff. Upon selection of the wells or test holes, <br /> the following information shall be obtained quarterly: <br /> Cons ti tuents <br /> Elevation of Specific <br /> groundwater Conductance Chlorides COD <br /> Date in well (umhos/cm) (mg/1 (mg/1 ) <br /> REPORTING <br /> Monitoring reports shall be submitted to the Regional Board by the 15thof each <br /> month following the calendar quarter. In reporting the monitoring data, the dis- <br /> charger shall arrange the data in tabular form. The data shall be summarized to <br /> demonstrate compliance with waste discharge requirements. <br /> origjral siR:ied. by <br /> Ordered by JaiLas b; Robertson <br /> JAMES A. ROBERTSON, Executive Offic`r <br /> (Date) <br /> FOM/ap 4/2/20 <br />