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5.1 Monitoring of Physical Hazards Exposure to excessive heat, cold, noise and hazardous work conditions will be monitored throughout the project. Personnel entering areas where people cannot carry on a normal conversation will be required to wear hearing protection. Work area safety inspections will be conducted daily before start of work and as conditions change by the SSO. Hazardous conditions reported to or observed by the SSO will be corrected immediately. 5.2 Exposure Monitoring Plan Fire, explosive and toxic inhalation hazards will be evaluated throughout the project. A direct-reading combustible gas indicator (CGI) or organic vapor meter (OVM) will be used to evaluate possible formation of flammable atmospheres in the work area. Periodic measurements will he taken from soil piles or wherever flammable/combustible vapors may accumulate. Work will be suspended if combustible readings exceed 10 percent of the lower explosive limit(LEL). 6.0 SAFETY PRACTICES AND PRECAUTIONS Simple precautions will reduce or eliminate physical and chemical hazards associated with tank removal, drilling, excavation, site restoration and system maintenance. Precautions include using qualified trained personnel, ensuring compliance with the SSP, ensuring proper engineering controls, good housekeeping procedures, using PPE and familiarity with emergency response procedures. To prevent injury from moving machinery, automobiles, fires, or other physical hazards, the following procedures will be implemented: 1. Keep heavy equipment at least 50 feet away from overhead electrical power lines. 2. Identify underground utilities before work begins. Shut down, lock out and tag power lines and pipelines as appropriate, particularly power supply and emergency "shutoff" for dispenser pumps and associated delivery lines. 3. Establish work areas including the hot (contaminated area) zone, decontamination zone and safe zone as necessary. Minimize personnel and equipment in the hot zone. 4. Establish procedures for exiting the hot zone before commencing onsite activities.