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- MUNICIPAL UTILITIES DEPARTMENT <br /> REGIONAL(--saSTEWATER CONTROL FACIV '' ' <br /> 2avG !NAVY DRIVE <br /> STOC)(TON, CALIFORNIA 95206 Groundwater Discharge Attachment <br /> A;& <br /> ccK713M ` ' x;60 Part B - Groundwater Description <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 /> Further 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: Trucking Terminal <br /> Product None <br /> Wastewater Generating Operations (s): <br /> b). Past Activity: Trucking Terminal <br /> Product: rasoline, Diesel <br /> Wastewater Generating Operations(s): None <br /> B2. Description — Describe the known or suspected pollutar t source(s) and history of the groundwater contandnants. <br /> (Attach sheets as necessary). <br /> The )Mown u ants are constituents of weathered gasoline and diesel, and <br /> eth lbenzene otal x lens BTEX , total petroleum <br /> and diese TPHd . Table 1 Attachment 1) <br /> aroundWiLtiar at the site. <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 describe the physical and chemical properties of each substance and <br /> product Give proposed concentrations. (Attach sheets as necessary). <br /> NAME DESCRIPTION CONCENTRATIONS <br /> Gasoline Constituent <br /> Toluene Gasoline Constituent <br /> th !benzene Gasoline Constituent <br /> Total Xylenes: Gasoline Constituent <br /> TPHQ Gasoline Constituent 3100 . b <br /> TPHd Diesel Constitu t j <br /> 84. Proposed Quantities—give the average estimated galio ay as well as peak hourly and peak dally flows in gallons <br /> of the groundwater proposed to be discharged to the sewer- ..Groundwater xJ I 1-be-puraed-from <br /> _ <br /> 20,000 to 50,000 gallons over a period of 1 to 2 days <br /> B5. Proposed Discharge Period --- Give the following information: <br /> a). Discharge will occur daily from 8:00_ A.M. to 5:00 P:M. <br /> b}. Circle the dsrs theweekthatthe discharge will o cur. <br /> 5 M T W T F S Two-days max' um <br /> c). Seasonal — Cir the month{s) of the year the disc arge will occur: <br /> J F�A M J J A 'S O. N - D <br /> d). Years — Indicate the total proposed discharge period: <br /> -um voe7 <br />