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MONITORING AND REPORTING OOGRAM <br /> THE MARLEY COOLING TOWER COMPANY -2- <br /> STOCKTON, SAN JOAQUIN COUNTY <br /> RECEIVING WATER MONITORING <br /> All receiving water samples shall be grab samples. Samples shall be collected <br /> from mid-stream in the Stockton Diverting Canal from the following locations from <br /> 1 October to 1 April : <br /> Station Description <br /> R-1 8000 feet upstream from the point of discharge <br /> R-2 1000 feet downstream from the point of discharge <br /> Sampling <br /> Constituents <br /> Units Station Frequency <br /> Flow mgd R-1 Daily I <br /> Total Chromium ug/l R-1 , R-2 Weekly when discharging <br /> to Stockton Diverting <br /> Canal <br /> Hexavalent Chromium ug/l R-1, R-2 Weekly when discharging <br /> to Stockton Diverting <br /> Canal <br /> pH pH Units R-1, R-2 Weekly when discharging <br /> to Stockton Diverting <br /> Canal <br /> Arsenic ug/l R-1 , R-2 Weekly when discharging <br /> to Stockton Diverting <br /> Canal <br /> Total Dissolved mg/l R-1 , R-2 Weekly when discharging <br /> Solids to Stockton Diverting <br /> Canal <br /> Copper ug/l R-1, R-2 Weekly when discharging <br /> to Stockton Diverting <br /> Canal <br /> REPORTING <br /> In reporting the monitoring data, the Discharger shall arrange the data in tabular <br /> form so that the date, the constituents, and the concentrations are readily <br /> discernible. The data shall be summarized in such a runner to illustrate clearly <br /> the compliance with waste discharge requirements. <br /> Monthly monitoring reports shall be submitted to the Regional Board by the 15th <br /> day of the following month. <br />