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San leacgtoim Riegianai Traarvsit District <br /> 8. Waste Management Approaches <br /> The following waste management approaches are currently being implemented <br /> by the SJRTD for the following major waste streams as were identified in earlier <br /> section of this report and the plan; <br /> • Oil, water, and sludge: this waste stream is currently being managed via <br /> an on site oil/water separator. This oil water separator removes the <br /> floatable (oil) and settelable (solids: sludge) materials. The clarified water <br /> is then discharged to the City of Stockton's sanitary sewer under a <br /> wastewater pre-treatment permit issued by the City of Stockton's <br /> Municipal Utilities Department (MUD). The oil, sludge and residual water <br /> are periodically pumped out and cleaned out. These residues are shipped <br /> out to an off recycling facility for proper recycling and off-site wastewater <br /> treatment. <br /> • Aqueous Parts Washer: this waste stream is currently being managed <br /> via an on site parts washer recycling unit. Whereby the aqueous parts <br /> cleaner's fluid is recycled through the parts cleaner until it becomes <br /> saturated and is no longer useable. The saturated fluid is then pumped <br /> out and replenished with a regenerated parts cleaner fluid. The saturated <br /> fluid is shipped to an off-site recycling and reclamation facility, where it <br /> undergoes fractionation, distillation, and separation. The oil; sludge and <br /> solids are removed and the cleaning fluid is recovered. <br /> • Oily Absorbent: this waste stream is currently being managed inside a <br /> 55-gallon drum and is generated as the result of its use to absorb small <br /> quantities of oil in an around the SJRTD's maintenance facility. <br /> 56 <br />