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Austin Road Landfill Health&Safety Plan Austin Road Landfill,Stockton, California Page 4 All personnel in attendance must sign a safety briefing attendance sheet. No employee shall be permitted to begin field activities until they have received and acknowledged such a briefing. 1.6 Health&Safety Plan Applicability This Health and Safety Plan applies specifically to the field activities performed as part of the well installation project at the Austin Rd and NCYCC sites. It has been prepared specifically for this project. 2.0 SCOPE OF WORK AND POTENTIAL HAZARDS 2.1 Work Tasks The site field tasks identified for the project are: • Drilling and soil sampling. • PVC well installation/completion. • Well development. This HASP describes health and safety concerns associated with these field tasks. 2.2 Potential Hazards A recent study by the National Safety Council indicated that the greatest risk to workers at hazardous waste sites is from traumatic injury from heavy equipment (such as drilling rigs or construction equipment) rather than from exposure to hazardous materials. Potential hazards anticipated at the Austin Rd or NCYCC Facilities include physical and chemical hazards,such as inhalation of hazardous vapors and dusts, absorption of chemicals through the skin, ingestion of chemicals, injury from falling objects during drilling activities, hearing loss during drilling activities, and weather related stress. To prevent these potential hazards from affecting worker performance, the Health and Safety Plan incorporates various levels of protection to be followed. However, it is recognized the guidelines to be followed cannot replace worker common sense and experience. 2.3 Assessment&Mitigation of Potential Hazards 2.3.1 Inhalation Inhalation of hazardous vapors is a potential hazard during field activities, although it is most likely to occur during borehole drilling for well installation. Methane is generally associated with municipal landfills. Release of these gases may occur during borehole drilling. Site history is a valuable aid in determining the type of chemical hazards that may be encountered. It is important to know and understand the physical and chemical properties of the anticipated compounds of concern at the site and evaluate the potential hazards that may be encountered. 2.3.2 Absorption Absorption of chemicals can occur whenever chemicals contact the skin or clothing of the worker. Absorption of chemicals is most likely to occur during drilling activities. To reduce the likelihood of absorption, all workers will be required to wear gloves when handling soil cuttings generated during drilling activities.