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6. Hazard Assessment <br /> This section addresses the potential hazards identified with gas characterization of the <br /> site, which includes but is not limited to chemical, physical, and er vironmental hazards. <br /> Hazard characterization and selection of worker protection methods for this site has <br /> been determined from previous waste characterization jobs as well as reading the site <br /> history. <br /> HAZARD ASSESSMENT <br /> To provide protection for personnel on-site, the following potential hazards have been <br /> identified at the Lodi City Landfill related to the gas characterizatic n: chemical hazards, <br /> biological hazards, and physical safety hazards. This determination is based on <br /> information provided related to the contaminants identified at the rite and based on the <br /> work tasks performed. <br /> A. Heavy Metals <br /> Exposure to heavy metals may be encountered from burn ash or =oil. Due to the age of <br /> this illegal dump site and site history, burn ash is likely. Burn ash sample analysis <br /> obtained from previous waste characterization investigations from other sites indicates <br /> that non-hazardous household or municipal waste contains variOL s heavy metals. Test <br /> results indicate the predominant metals of concern in burn ash aro not readily soluble in <br /> water; therefore, not readily leachable into ground water. However, burn ash can pose <br /> a health risk if it becomes airborne and is inhaled, ingested, or cones into direct contact <br /> with the skin. The predominant heavy metals of primary concern include: antimony, <br /> arsenic, barium, beryllium, cadmium, total chromium, copper, lead, mercury nickel, <br /> selenium, and thallium can be found in Table 1 — Heavy Metals. <br /> Lodi City Landfill 10 January 2012 <br /> Site Safety and Health Plan <br />