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NICIPAL UTILITIES DEPARTME,ti <br /> Q REGIONAL�ASTEWATER CONTROL FACILITY <br /> 2500 NAVY DRIVE r <br /> STOCKTON, CALIFORNIA 95206 Groundwater Disc, harge-'Atteichment <br /> (209) 9448750Groun�- <br /> r ` CRY OF STOCKTON 944-8760 Part B wate� ®�Scription <br /> - - _.. <br /> PURPOSE-The Groundwater Description will be used to evaluate all aspects of the groundwater proposed to be <br /> discharged to the sanitary system = •_ - - <br /> urther instructions on reverse side. <br /> B1. Business Activity— Describe the present and past business activity occurring on the premise; as well as present <br /> and past wastewater generating operations. <br /> a). .- Present Activity: - Retai 1 sal es of ref ned petrol eum products <br /> Product: Gasol i ne <br /> Wastewater Generating Operations (s): Groundwater pump and treat system <br /> b). Past Activity: Retail sales of refined petroleum products <br /> Product: Gasoline <br /> Wastewater Generating Operations(s): Groundwater pump and treat system <br /> B2. Description — Describe the known or suspected pollutant source(s) and history of the groundwater contaminants. <br /> (Attach sheets as necessary). <br /> _Leaking underground XXMXX fuel storage tank discovered in May 1984 (estimated <br /> 2,000 <br /> B3. Substances Proposed to be Discharged — Give common and technical names of any materials or chemicals pro- <br /> posed to be discharged to the sewer. Briefly desc$be the physical and chemical properties of each substance and <br /> product_ Give proposed concentrations. (Attach pheets as necessary). - - <br /> NAME DESCRIPT ON CONCENTRATIONS <br /> roun wa er pumpe Tom noun water cont ns Esso - <br /> beneath the ro ert ved as Tide constituents Benzene 0.3 mg <br /> includi benzaee eth 1- Eth lbenzene 0.002 M 11 mq 2ppy <br /> benzene- toluene, and Toluene 0.011 m /itfn <br /> n m 1 x�pl, <br /> B4. Proposed Quantities-give the average estimated gallons/day as well as peak hourly and peak daily flows in gallons' <br /> of thegroundwater proposed to be discharg d to the sewer. <br /> 12 allons/minute, 17,500 gallons7da <br /> - Peak hourly 12 gal min - - Peak daily 18,000 gal day <br /> B5. Proposed Discharge Period -_Give the following information: _ - <br /> a). Discharge will occur daily from' 24 hours per day to - <br /> b). Circle the days of the week that the discharge will occur:. . �_ days per. week.. <br /> S M T •W- T F S - . ' - <br /> c). Seasonal — Circle the month(s) of the year the discharge will occur: 12. months per year <br /> J F M A M J J A S O N D <br /> d). Years — Indicate the total proposed discharge period: - <br /> 11R 1/100 <br />