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CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> MONITORING AND REPORTING PROGRAM NO. <br /> FOR <br /> THE MARLEY COOLING TOWER COMPANY <br /> STOCKTON, SAN JOAQUIN COUNTY <br /> INTERIM PLANT STARTUP MONITORING <br /> The Interim Plant startup includes batch and continuous operation phases. The <br /> initial three batches of treated water shall be sampled for the parameters <br /> listed below. The influent and effluent sampling of the continuous operation <br /> phase of startup shall include, for a minimum of three consecutive days of <br /> compliance with discharge limitations, the following analyses: <br /> Constituents Units Type of Sample Frequency <br /> Total Chromium ug/l HACH DR3000 Every 4 hrs. <br /> Total Chromium ug/l 24-hr composite Daily <br /> Hexavalent Chromium ug/l HACH DR3000 Every 2 hrs. <br /> Hexavalent Chromium ug/l 24-hr composite Daily <br /> Copper ug/l HACH DR3000 Every 4 hrs. <br /> Copper ug/l 24-hr composite Daily <br /> Arsenic ug/l 24-hr composite Daily <br /> TDS mg/l 24-hr composite Daily <br /> Ph Ph Units Probe Every 2 hrs. <br /> FULL SCALE OPERATIONS <br /> INFLUENT MONITORING <br /> Influent samples shall be collected from the inlet piping to the treatment <br /> plant flow equalization basin. Influent samples shall be representative of <br /> the volume and nature of the inflow. The following shall constitute the <br /> influent monitoring program: <br /> Constituents Units Type of Sample Frequency <br /> Total Chromium ug/l 24-hr composite Daily <br /> Hexavalent Chromium ug/l 24-hr composite Daily <br /> Copper ug/l 24-hr composite Daily <br /> Arsenic ug/l 24-hr composite Daily <br /> TDS mg/l 24-hr composite Daily <br />