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Vr <br /> WASTE DISCHARGE REQUIREMENTS ORDER NO. 5-2003-0080 -2- <br /> DISCHARGE <br /> 2- <br /> DISCHARGE OF TREATED GROUNDWATER <br /> FORWARD LANDFILL <br /> FORWARD INC.AND ALLIED WASTE INDUSTRIES <br /> SAN JOAQUIN COUNTY <br /> technology is capable of dependably removing VOCs to concentrations which are non- <br /> detectable using EPA Method 600 series analyses. The system is designed to discharge up to <br /> 550 gpm(790,000 gpd). The beneficial uses of the Littlejohns Creek,the San Joaquin River <br /> and Delta downstream of the discharge are municipal, industrial, and agricultural supply; <br /> water contact and noncontact recreation; aesthetic enjoyment; navigation; and preservation <br /> and enhancement of fish,wildlife and other aquatic resources. <br /> 6. The beneficial uses of groundwater are municipal,industrial, and agricultural supply. <br /> Waste Description <br /> 7. Polluted groundwater,prior to treatment contains the following VOC contaminants: 1,1- <br /> Dichloroethane, cis-1,2-Dichloroethene,Dichloro-difluoromethane, Tetrachloroethene, and <br /> Trichloroethene. <br /> 8. The waste streams from the treatment plant will be treated by removal of VOCs by air <br /> stripping. This treatment is successful in reducing the VOC concentration to non-detectable <br /> levels. The volume of treated water generated is approximately 580,000 gallons per day. <br /> Waste Classification <br /> 9. Treated groundwater discharged by the treatment plant does not contain detectable levels of <br /> VOCs. Inorganic constituent concentrations in treated groundwater are characterized as <br /> follows: <br /> Waste Water Discharge` <br /> (mg/1) <br /> Barium 0.314 <br /> Calcium 92.850 <br /> Magnesium 45.750 <br /> Manganese 0.128 <br /> Potassium 8.045 <br /> Sodium 49.5 <br /> Vanadium 0.022 <br /> * Average of data from the 2001 and 2002 annual samples. <br />