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Health&Safety Plan Page 4 of 17 safety features,such as back-up alarms,shall be checked daily. 3.2 Electrical Hazards The following procedures shall be followed during all phases of operation,in order to reduce those risks associated with electrical hazards: * Underground Service Alert (1-800-4224133) will be contacted prior to site activities to locate the presence of underground cables, utility lines, pipes, and storage vessels at the proposed sites where soils borings will be placed. * The local power company shall be contacted, in order to verify the minimum allowable clearance from high-voltage power lines. Under no circumstances will any person, piece of equipment, or phase of operation come within 10 feet of overhead power lines. * If the work area is unavoidably close to buried or overhead power lines.the power shall be turned off,with the circuit breaker locked and tagged out. * All electrical equipment is to be properly grounded, and under no circumstances are any modifications to be made to any piece of electrical equipment.All electrical equipment is to be inspected daily for damaged leads or plugs. Any piece of equipment that is damaged shall not be used on the site,and shall, in fact, be removed from the site for disposal or repair. ' If splicing wires must connect electrical equipment,the source shall be de-energized first;the breaker box locked out and appropriately tagged by the person who is to perform the splicing operation. All connections are to be appropriately taped. Once the splicing operation is complete, the person who performed the splice shall bring the source back into operation. • Each person that has cause or need to use a piece of electrical equipment shall ensure that he/she is fully familiar with the equipment's operation and features. 3.3 CHEMICAL HAZARDS To reduce the possibility of injury due to chemical hazards, personnel shall wear those pieces of Personal Protective equipment as specified by the task,in section 5.0(Personal Protective Equipment.)Air monitoring shall be conducted to evaluate respiratory and explosion hazards. The instruments and action levels to be used are listed in Table 3. The Musco Excavators, Inc. employee conducting each field task shall be responsible for performing the specified air monitoring. In order to ensure the protection of off-site public health, site perimeter air monitoring for volatile organic will be performed(see Section 6.0,Perimeter Monitoring.)If airborne levels of contaminants consistently exceed 5ppm background levels at the perimeter of the site,the work will be stopped;the suspected source of the contamination will be covered to eliminate emissions. A decision will then be made as to how to proceed with the work and how to more fully characterize and reduce the airborne emissions. 3.4 Acoustical Hazards In order to prevent hearing impairment, the use of earplugs or earmuffs shall be required for all personnel when heavy equipment is in use at the site.However,should any personnel develop pain in the ear due to work-site noise;they shall immediately don a set of earplugs or muffs. Noise levels will also be controlled to conform to local ordinances. 3.5 Biological Hazards In order to reduce the risk of biological contamination,Personal Protective Equipment,described in Section 5.0,shall be worn for each specific task. This protective equipment shall be removed, and hands and face washed prior to contact with the mouth, by the hands, for such purposes as eating, drinking, or smoking. Smoking shall only be permitted in those areas designated by SSHO. 3.6 Heat Stress All personnel entering the work area should be familiar with the signs and symptoms of heat stress.These include: * Heat Exhaustion--Dizziness, light-headedness, slurred speech, rapid pulse, confusion, fainting, fatigue, copious perspiration,cool skin that is sometimes pale and clammy,and nausea. * Heat Stress--Hot, dry,flushed skin;delirium,and comma(in some cases.) Resting frequently in a shaded area and consuming large quantities of fresh, potable water can prevent heat stress. If