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Specific Agency Involvement with Corral Hollow Sanitary Landfill• Following is a list of enforcement agencies which have dealings with the Corral Hollow Sanitary Landfill. Also included are descriptions of particular activities the agency performs and reports which have been submitted to that agency. A. California Regional Water Quality Control Board: The Corral Hollow Sanitary Landfill operates under Waste Discharge Requirements (WDR) No. 75-115 adopted by the RWQCB. These WDR were issued to the Corral Hollow Sanitary Landfill as a Class II-2 site. The WDR for the landfill are in the process of being revised by the RWQCB. The City of Tracy, Department of Public Works is in the process of submitting a RWD for the site to the RWQCB. A copy of the final RWD is contained as Appendix C of this engineering review. This RWD will be used to develop new WDR for the site. These new WDR will change the existing Class II-2 classification for the site to a Class III classification to correspond with the latest requirements of Subchapter 15. In February of 1988, EMCON Associates prepared a report titled, Solid Waste Assessment Test Proposal and Groundwater Monitoring Plan, for the site. This report was submitted to the RWQCB on February 25, 1988, and was also submitted to the CWMB and LEA on March 8, 1988. This report is a two part report which proposed procedures for performance of the GWSWAT at the landfill and a groundwater monitoring program to satisfy Subchapter 15. On April 5, 1988, the RWQCB approved the GWSWAT proposal and Groundwater Monitoring Plan for the site. A copy of this letter, which included minor amendments, is included in Appendix H. The GWSWAT was performed at the site and submitted to the RWQCB on July 1, 1988. Copies of the GWSWAT for the landfill were submitted to the CWMB and LEA on September 7, 1988. Copies of the transmittal documenting these submissions are contained in Appendix H. B. California Waste Management Board (CWMB) : The CWMB is responsible for the establishment of regulations and performance standards which govern the operation of solid waste facilities . The primary enforcement authority for these regulations rests with the Local Enforcement Agency (LEA) . The LEA for solid waste disposal sites in San Joaquin County, including the Corral Hollow Sanitary Landfill, is the San Joaquin Local Health District. The CWMB approves the designation 26