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CENTRAL `KEY REGIONAL WATER QUALITY Cj0OL BOARD <br /> 4W JINSPECTION REPORT I <br /> 7 March 1986 <br /> DISCHARGER: City of Tracy, Corral Hollow Landfill <br /> LOCATION & COUNTY: Corral Hollow Road, San Joaquin County <br /> CONTACT( S ) : William J. Silva, Director of Public Works <br /> INSPECTION DATE : 22 January 1986 <br /> INSPECTED BY : Daniel Ward, Jim Eckman <br /> ACCOMPANIED BY : William Silva; Darrel Scott, Laboratory Supervisor, <br /> City of Tracy; Jim Miller, Senior Sanitarian, .San <br /> Joaquin Local Health District <br /> OBSERVATIONS AND COMMENTS <br /> This inspection was made to determine compliance with the Waste Discharge <br /> Requirements for Corrall Hollow Landfill , Board Order No. 76-155 (WDRs). <br /> We arrived at the landfill and proceeded to the building where records were <br /> kept. The man in charge showed me their daily records, which showed cubic <br /> yardage of various types of wastes received. We have not received monitoring <br /> reports from this facility since January of 1978, violating Provision B.4 of <br /> the WDRs. I requested that all reports be sent to us immediately. There was <br /> not a copy of the WDRs on-site, in violation of Provision B.1. <br /> The landfill operation was well run. Refuse is placed on a limited working face <br /> and covered daily with soil from a large borrow pit which will eventually be <br /> filled and covered. The facility is not completely fenced, and there were sheep <br /> grazing at the western edge of the site. <br /> Sewage sludge is dried on the western slope of the site. Current Subchapter 15 <br /> regulations prohibit disposal of sludge in landfills without leachate collection <br /> and recovery systems. <br /> There is no ground water monitoring system at the site. The WDRs, via Moni- <br /> toring and Reporting Program No. 76-155, require that a well be established. <br /> Mr. Silva indicated that there was a downgradient well which was used for <br /> monitoring until about 1980. No monitoring has been done since that time. Mr. <br /> Silva also said that there was no shallow ground water in the area, and that due <br /> to the rainshadow effects of the Coast Range, that rainfall was very low. <br /> Mr. Silva said that Kleinfelder and Associates had drilled four borings at the <br /> site. Three were left as borings and one was in the borrow pit area and was <br /> destroyed. We were not notified that these borings were made, and were not <br /> allowed to comment on their placement and construction. These borings appeared <br /> to be less than 50 feet deep. <br /> REVIEWED BYE <br />