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1 <br /> 5.0 HAZARD EVALUATION AND AVOIDANCE <br /> The following sections indicate the potential hazards associated with the investigation at UST <br /> Site 817 B-2 <br /> Toxic Vapors Yes X No Unknown <br /> ' Explosion Yes X No Unknown <br /> Radiation Yes No X Unknown <br /> ' 02 Depletion/ <br /> Confined Spaces Yes No X Unknown <br /> ' Buried Utilities Yes X No Unknown <br /> ' 5.1 PHYSICAL HAZARDS <br /> ' Work at UST sites includes possible exposure to slips, trips, falls, noise, and fluctuating <br /> weather conditions, in addition to exposure to airborne particles <br /> Rules and procedures for the conduct of personnel during site activities are established to <br /> minimae the possibility of worker exposure to hazardous contaminants These procedures require the <br /> ' cooperation of all investigators and visitors to the project and will be strictly enforced by the OHSC <br /> The OHSC will establish the physical limits of the contaminated areas at the site and will instruct all <br /> ' personnel and visitors on the boundaries of the exclusion zone Personnel should be aware of <br /> mechanical, electrical, temperature, biologic and noise hazards Additional standard safe work <br /> ' practices are described in Attachment J <br /> ' 5.2 MECHANICAL HAZARDS <br /> ' Personnel at the site should take the following precautions to avoid mechanical hazards <br /> ' • Do not stand near the drilling equipment Verify that all equipment is in good condition <br /> • Choose on-site communication before site work begins, based on site conditions and the <br /> ' nature of the work <br /> CT0162 HSP <br /> 0"0162VrATR1-05/05M 12 <br />