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EHD/SWD 2/27/01 Meeting Page 2 of 3 • Ponding on the Top Deck The issue of grading the top deck was discussed. Some repairs to the top deck were made this fall. The areas that were repaired were located on both the East and West sides of the main fill, near the drainage down spouts. The EHD site visits are made without a representative from the SWD, which might have left this issue open to some speculation as to the areas in question. There may be confusion surrounding this issue. The North County Landfill staff have been told to survey the top deck at Harney Lane Landfill after each rain event. The survey would include marking the areas of ponding and remove standing water. Once the areas are marked,they will be repaired during the dry season. Corral Hollow Landfill(SWIS Facility 39-AA-22051 • Tracy Hills Project and Adjacent Structures: The discussion of this facility centered on the installation of the gas extraction system and the proposed new development located directly to the North of the landfill. The Tracy Hills Project is proposed to extend in an East—West direction along Corral Hollow Road. The EHD as well as the California Integrated Waste Management Board's concern is that the proposed structures will be located within 1,000 feet of the facility boundary and will need to be continuously monitored. The EHD stated that efforts would be made to accomplish this. Lovelace Transfer Station(SWIS Facility 39-AA-0008) ® Truck Wash Clarifier The site has been subject to subsurface discharge from the truck wash to the on-site sewage disposal system. The discharge was discovered during a complaint investigation. The EHD asked if the system was designed to discharge to the lift station for the sewage system. The SWD assured the EHD that the plans indicated that the clarifier was going to be connected to the lift station for the on-site sewage system. The EHD requested a copy of the plans that indicated the two systems were to be connected. A discharge of waste oil to the ground is considered to be a hazardous waste violation. Pneumatic rubber plugs have been used to temporarily plug the lines to stop the discharge, but are not considered a permanent solution. The EHD requests that the plugs be inspected to verify they are in place and will incorporate this into the monthly inspection routine until the line is properly disconnected. The impact to the leach field is unknown at this time. However, an investigation will be required to determine the impact to the leach field. The proximity of groundwater is a concern and will need to be addressed as part of the investigation by a qualified environmental engineering firm. In closing, better communication will be necessary between the two agencies. The EHD suggested that the two agencies have quarterly meetings to discuss issues that may arise. The SWD suggested that a representative from the EHD attend the SWD's monthly site coordination meetings. The EHD agreed to attend the monthly coordination meetings to discuss current issues at each of the sites and to pass along new information concerning regulatory requirements. Communication between the two agencies could be increased by having the operator accompany the inspector on site visits and through increased inspection activity when issues are identified. The EHD reviewed the process that would be followed when issues arise. If an issue is not a threat to public health or the environment, it will be cited as an "Area of Concern" on the inspection form. If the issue is not resolved by the next inspection, it will become a violation. Sites that are subject to a quarterly inspection frequency will be inspected monthly when a violation is noted. If a site receives two consecutive violations, further enforcement will be pursued by the EHD. Any condition that poses a risk to public health or the environment will be subject to immediate follow-up. In no case shall a violation be allowed to exist over a period of one(1)year. If you have any questions regarding this summary,please contact me at(209)468-0332.