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August 8, 1983 <br /> Project 116-1.4 <br /> - 8 - <br /> Leachate which accumulates in the sump at the north end of the trench <br /> will be pumped into the fluid retention pond south of the operations <br /> area. This will be accomplished by installing a 1-h.p. submersible pump <br /> in the sump riser pipe which will be activated automatically by a float <br /> valve. When the leachate level moves upward a sufficient distance, the <br /> permanently installed pump will remove the fluid from the sump. <br /> A similar system will be installed in the rain water collection sump in <br /> the northeast corner of the undeveloped portion of the trench. The pump <br /> used in this sump area will be a standard impeller pump which will be <br /> activated manually. Following rain storms, accumulated water will be <br /> tested for chemical content (E.C. TDS, etc.) and, if uncontaminated, will <br /> be discharged to the site drainage system. If contaminated, the RWQCB <br /> will be notified and the accumulated rain water will be pumped into the <br /> fluid retention pond. <br /> With the hope that the above discussions clarify the concerns of all <br /> regulatory staff from the agencies with jurisdiction, we remain, <br /> Sincerely yours, <br /> BETA ASSOCIATES <br /> rJackell- <br /> Jack <br /> E. McCollough <br /> Certified Engineering Geologist #905 <br /> JEM/smd <br /> cc: Mr. Gregory Basso, Forward, Inc. <br /> Mr. John Stoval, Neumiller and Beardsley <br /> Mr. Paul Yochum, FMC Corporation <br /> Mr. Gary Reents, California Department of Health Services <br /> Mr. Bud Eagle, California Water Resources Control Board <br /> Mr. Lee Hall, San Joaquin Health District <br /> 'Beta Associates Q <br />