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MUNICIPAMTILITIES DEPARTMENT <br /> ® REGIONAL WASTEWATER CONTROL FACILITY <br /> 2500 NAVY DRIVE Wastewater Discharge Permit <br /> STOCKTON,CALIFORNIA 95206 <br /> (209)944-8756 Part C - Schematic Flow Diagram <br /> (209) 944-8760 <br /> Purpose — The Schematic Flow Diagram shows the flow pattern of products through the <br /> facility and the various sources of wastewater. This information will enable the City of <br /> Stockton to assess the quality, volume and peak flows of the discharge. <br /> Schematic Flow Diagram — For each major activity in which wastewater is generated, draw <br /> a diagram of the flow of materials and water from start to completed product, showing <br /> all unit processes generating wastewater. Number each unit process having,discharges to <br /> the community sewer. Use these numbers when showing this unit process in the building <br /> layout in Part D. <br /> •um Hichramue I IcxrvJcru <br /> 1 ulfurlc AddCAI�d Dh <br /> chromiumi➢ruGcl reducedto Filltt walR <br /> chromium 400 gallons <br /> pH drift to 7.8 per 2 weeks <br /> D scharge <br /> 2 NekdEA Nickel Filter water <br /> Nitric Acid holding <br /> into PH Lhiuto <br /> holding tank pH shit to 9.8 $00 gallons <br /> per month <br /> 3 CdBj"� F ter 1400 <br /> hargeHl,d�dmieAeid RIruW vuo Neu"hud holdirµt wdd pll 5.0. 10 r <br /> gallonsmonth <br /> 4 Sxrdtary Wasdewate <br /> (26) <br /> d <br />