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1PAL UTILITIES DEPARTMEN <br /> REGIONAL VI�EWATER CONTROL FACILITI gl <br /> 2500 NAVY DRIVE <br /> STOCKTON, CALIFORNIA 95206 Groundwater Discharge Attachment <br /> GrTY OF STOCKTON (209) 944=8750 Part C - Pumping Plan <br /> 944-8760 <br /> r PURPOSE — Description of all aspects of the pumping plan will enable the City of Stockton to evaluate the plan <br /> for possible approval. <br /> Further instructions on reverse side. <br /> r <br /> C1. Description—Fully describe the proposed pumping plan, including number and size of wells,types and capacities <br /> of pumps, and all other relevant information. (Attach description). <br /> C2. Pretreatment — Describe any proposed groundwater pretreatment prior to discharge to the sanitary system, and <br /> give expected pollutant removal efficiencies. (Attach sheets as necessary). PRIOR TO DISCHARGE, AT.T. <br /> EXTRACTED WATER TT BE PITMPFD THROUGH TWO 175 POUND ACTIVATED GARRON CANTSTE.RS <br /> C0NNRrTFT1 IN SERIFS THF ANTICIPATED RFMOVAT FFFTCTFNrTFS ARE AS FOTTOWS• <br /> TPRG�99 99 PFRCRNT, R V.ZFNF.1g9 99 PERCENT- 5O DAYS AFTFR INITIAL 'BREAKTHROUGH. <br /> TOT jF.Nr.>99 99 PFRGFNT XYLEM, 9 49 PERCENT, FTHYT RFN7,F.�T�)99 99 PFRCF.NT <br /> C3. Analyses — Attach pertinent laboratory analyses to verify contaminants and concentrations. <br /> C4. Calculations—Calculate the pounds/day of each contaminant proposed to be discharged to the sewer.(Attach work <br /> sheets). <br /> WITH THE EXCEPTION OF BENZENE -AT- A R--A-T-E- OF 0-0003 1 E .17)-Ay-- (SPE ATTACHED CATCULAZION <br /> C5. Pollution Control—Describe steps taken to prevent present and future groundwater contamination. (Attach sheets <br /> as necessary). DIESEL AND GASOLINE TANKS HAVE BEEN REMOVED ALONG WITH ASSOCIATED <br /> PIPING AND IMPACTED SOIL. <br /> C6. Sludge Disposal—Describe sludge disposal methods that will be utilized if appplicable. Attach sheets as necessa . <br /> SLUDGE DISPOSAL IS NOT ANTICIPATED. PARTICULATE MATTER COLLECTED IN THE BAG FILTERry) <br /> WILL BE CHARACTERIZED AND DISPOSED OF AT AN APPROPRAITE FACILITY. <br /> C7. Miscellaneous—Give any other pertinent facts or factors thqkN arrant consideration.(Attach sheets as necessary). <br /> A VAPOR EXTRACTION UNIT IS CURRENTLY OPERATION..AT THE SITE TO MITIGATE IMPACTED <br /> AREAS THAT COULD NOT BE ACCESSED BY EXCAVATION THIS ACTIVITY WILL LIMIT FURTHER IMPAC' <br /> TO CROt1NDWATER WHILE SHORTENING THE DURATION OF TREATED GROUNDWATER DISCHARGE. <br /> C8. Diagram — Attach as accurate a diagram of the plume or area of contamination, as is available. <br /> C9. Sample Schedule—Attach a proposed sampling schedule and method of results transmittal to the City of Stockton. <br /> Indicate sample point. <br /> MUD 1090 <br />