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Health and Safety Plan 705 Carlton Avenue, Stockton, CA EFI Global Project No. 9836003958 8.7 NOISE HAZARDS Exposure to loud noise can have the following effects: Workers may be started, annoyed, or distracted. Workers may sustain physical dam age to the ear, pain, and/or tern porary or perm anent hearing loss. The degree of ear dam age depe nds on the noise level and the duration of exposure. Communication interference can in crease other potential site safety h azards due to the workers' inability to warn of danger and convey the proper safety precautions to be taken. Drill rigs and other heavy equipment can expose workers to high noise levels. Noise exposure is anticipated to be greatest for equipm ent operators and helpers in the immediate vicinity of the equipment. However, all employees working in the vicinity of the equipment (defined as a 20-foot radius) may be exposed to noise in excess of permissible levels. Excessive noise exposure requires that feasible administrative or engineering controls be used when workers are subjected to sound level s exceedi ng the required standard. Thus, hearin protection will be used in high noise areas where levels exceed 85 decibels (i.e., generally when noise level s require personnel to raise th eir voices to be heard). At a minimum, hearing protection will be required at all times for personnel working within a 20-foot radius when heavy equipment is operational. 8.8 OTHER SITE ACTIVITIES All personnel, contractors, and subc ontractors not under the direct supervision of EFI Global shall operat e under their scope-specific HASP prepared by their respective safety personnel. Additionally, all subcontractors operating within the project scope, which may encounter hazardous conditions, shall operate under their own scope-specific HASP. 9.0 SITE CONTROL MEASURES In compliance with 29 C FR 1910.120(b)(4)(ii)(F) and 29 CFR 1910.120(d) this section outlines control measures needed to safely complete the job described. The work area will be closely monitored by the site health and safety supervisor. Only those involved directly with th e project and who have attended the site safety meeting will be allowed within the work area. Communications within the work area will be by verbal command. In the event of an emergency, an alert will be sounded with a vehic le horn or air. There will be no smoking or eating within the work area. Site control i s necessary to minimize the potential contamination of site wor kers, protect the publ ic from physical and chemical hazards associated with the work, and protect site equipment from theft or vandalism. These zones are established to reduce the accident al spread of hazardous substances by controlling t he movement of personnel in and out of the zones. The degree of site control necessary depends on site ch aracteristics, the scope of work, and the surroundi ng community. Hazardous waste sites are divi ded into as many different zones as needed to meet operatio nal and safety objectives. In general, site control will in clude the est ablishment of three zones: the Exclusion Zone (EZ), the Contamination Reduction Zone (CRZ), and the Support Zone (SZ). Each zone will be associated with specific operations, and work activities and equipment will be confined to the appropriate area. EFI Global° Engineering. Fue & FtwirmmeritalSoi-Vims. Page 6 of 19