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California Tank Lines <br /> 3505 S. EI Dorado St. Stockton CA, 9520E <br /> W W Treatment System Operations. <br /> WW storage is in a 7400-gallon cone bottom tank. Since the WW generation is 25,000 gpd, the <br /> treatment system must be in Operation whenever the Wash rack is in operation. <br /> The level control in the cone bottom tank will shut off the wash rack sump pump on high level and <br /> sound an alarm. <br /> The cone bottom tank shall be emptied daily—i.e. no solids build up in the tank <br /> A pre neutralizer is being added to the system to ensure that the feed to the existing 2 stage <br /> neutralization system is within the range of 3—12pH,which the existing system can handle. The pre <br /> neutralizer uses larger chemical metering pumps so that material in the range of 0—3pH. Or 12— 14pH <br /> can be controlled to the desired 3—12pH range. <br /> In the event that effluent is outside the range it is recycled automatically to the cone bottom and <br /> retreated. Should this happen, it reduces the flow from the neutralization system, requiring careful <br /> attention from the operators to keep the systems (wash rack and neutralization systems) in balance. <br /> The Treatment has been efficacious when the pH range is between 7— 12. <br /> Waste is analyzed for hazards and taken off site with a waste manifest. <br />