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REFUSE <br /> Refuse will not be excavated in this investigation. The following is provided for completeness. <br /> The landfill contains household refuse, demolition debris, tree trimmings, and miscellaneous <br /> refuse. To the best knowledge of the County, hazardous materials have not been disposed at the <br /> site. However, some items that are currently defined as hazardous waste (paint, insecticides, etc.) <br /> may have been included in household waste disposed at the site. <br /> Potential hazards associated with the direct contact with refuse include: <br /> 1. Biological infection <br /> 2. Household hazardous waste <br /> Unidentified drums may be present in the refuse. If drums are uncovered during pot-holing and <br /> excavation, the area shall be cordoned off and the CIWMB and EHD officers notified. The area <br /> shall be flagged and excluded from the work zone until the drum can be better characterized. At <br /> no time shall workers attempt to remove or handle any such item. If any suspicious odors or other <br /> materials are observed by workers,the suspect debris and/or source shall be cordoned off and <br /> CIWMB and EHD shall be contacted to conduct air monitoring or other identification as <br /> appropriate. <br /> POT - HOLING <br /> Characterization of materials encountered will be performed by inspection above original grade <br /> following pot-holing. Workers will not break the plane of an excavation with mouth or nostrils <br /> unless the safety of the excavation is first monitored to verify that the environment meets OSHA <br /> requirements for oxygen and combustible gas. Such monitoring will be with portable electronic <br /> test equipment designed for that purpose with(Lantec GEM or equivalent). <br /> Workers will not perform work that involves sources of combustion(such as welding equipment) <br /> or any other work that generates temperatures that could ignite methane, unless the safety of the <br /> area has been verified. <br /> In the event that the oil pipeline which runs along the work area is ruptured when excavating or <br /> drilling the potholes, the owner of the pipeline(Russell Guidry 310-816-2063)will be <br /> immediately contacted. <br /> EQUIPMENT <br /> A 12-inch diameter auger or backhoe will be used for pot-holing. The final grading of the side <br /> slopes will be done with a dozer. A compactor will be used for all required compaction. Dirt will <br /> be hauled from the on-site retention pond via dump trucks. All personnel working on site and <br /> around heavy equipment will wear hard hats and safety vests at all times. <br /> Health and Safety Plan Solid Waste/Public Works <br /> Corral Hollow Sanitary Landfill Page 3 of 4 San Joaquin County October 25,2006 <br />