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H. Project Description have shown that there have been no compliance problems at the property boundaries for at least two years. Thus,there has been no action taken by regulatory agencies to require monitoring of landfill gas. As the proposed landfill expansion would include an impermeable liner,which would act as a containment structure,gas control would be necessary. Additionally,increased regulatory requirements are anticipated within the next few years. Therefore,nine new gas monitoring probes are proposed for installation around the expanded landfill. The exact location of these wells would be done under the guidance of a hydrogeologist. The actual monitoring procedures, which would address the frequency and the constituents that need to be monitored,would be best defined when the proposed regulations are confirmed and adopted. Ha? rdouc Waste Monitoring. The Austin Road Landfill would continue to control the illegal disposal of hazardous wastes through signage and loadchecking. In addition,the operator would monitor quantity(cubic yards),type,and source of all wastes discharged to the landfill and record results on a monthly basis. rations Monicorin o m. The following items would be monitored by the operator of this facility. Records including,but not limited to these items would be kept and made available to the enforcement agency uponrequest: • quantity and types of wastes received at the site per day and per week; • quantity and types of wastes salvaged per month,if any; • area of site utilized; number of vehicles utilizing the site per day and per week;and log of special occurrences. CLOSURE Once a landfill has reached its capacity,it would be formally closed to protect public health and the environment from the wastes contained in the landfill (CCR Tide 14,Section 17760). Typically closure involves installation of a final cover over the landfill. Closure often occurs in phases as portions of a landfill reach capacity. II.34