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�.. "Vol <br /> ,LiFORNIA REGIONAL WP.TE2 QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> d)NITORING AND REPORTING PROGRAM NO. 91-217 <br /> FO <br /> BROWN SAND, INC. <br /> MOSSDALE ASSCCL`.TES, LTD. <br /> i;Cs€DALE RANCH AGGREGATE S.-ND EXCAVATION AND PLANT <br /> SAN JOAQUIN COUNTY <br /> Specific sample station locations have been established under direction of <br /> Board's staff and a description of the stations is attached to this Order. <br /> Prior to construction, plans and specifications for ground water monitor wells <br /> shall be sub,rit ', ; t,) Surd staff for rz�,; 'ew and approval . <br /> POND MONITORING <br /> Samples shall be collected from the near the center of the sedimentation/recycle <br /> pond according �.o the following schedule: <br /> Sampling <br /> Constituents Units Type of Sample Frequency <br /> Chemical Oxygen Demand mg/l Grab Monthly <br /> Electrical Conductivity' umhos/cm Grab Weekly <br /> pH' pH Units Grab Weekly <br /> Freeboard' Feet' ---- Weekly <br /> ' Field ,4easurements <br /> ' Measured ' o the nearest 0. 1-feet. <br /> REPORTING <br /> In reporting the monitoring data, the Discharger shall arrange the data in <br /> tabular form so that the date, the constituents, and the concentrations are <br /> readily discernable. The data shall be summarized in such a manner to illustrate <br /> clearly the compliance with waste discharge requirements. <br /> Quarterly monitoring reports shall be submitted to the Regional Board by the 20`" <br /> day following the end of the quarter. <br /> The results of ar.y monitoring done more fr�)_uently than required at the locations <br /> specified in the Monitoring and Reporting Program shall be reported to the Board. <br /> Upon v&itten request of the Board, the Discharger shall submit a report to the <br /> Board by 30 Jz.uai-y of each year. The report shall contain both tabular and <br />