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� Y• <br /> 5 <br /> HAZARD ANALYSIS <br /> The potential hazards to personnel working at the subject site have been identified as <br /> chemical contamination physical hazards of working around heavy equipment (drill ng), heat <br /> stress (cold stress) and traffic Each potential hazard relative to the potential for exposure is <br /> described below <br /> Chemical Contamination <br /> The chemical health and safety hazard of this protect is the possible direct contact with <br /> wood treatinp- chemicals from affected soil <br /> Physical Hazards <br /> Working around a heavy equipment can be dangerous Field personnel should tale <br /> Precautions while working around the equipment When passing behind any equipment have eye <br /> contact with the operator prior to proceeding <br /> Noise levels may be elevated depending on the type of equipment used As a rule of thumb, <br /> if you are standing two feet away from a person and must raise your voice to be heard, heanng <br /> protection should be used <br /> Sunburn <br /> Working outdoors on sunny days for extended penods of time can cause sunburn to the <br /> skin Excessive exposure to sunlight is associated with the development of skin cancer Field <br /> staff should take precautions to prevent sunburn by using sun-screen lotion and/or wearing hats <br /> and long-sleeved garments <br /> Heat Stress <br /> The potential for heat stress is a concern when field activities are performed on warm, sunny <br /> days, and is accentuated when chemical protective clothing is wom Heat stress prevention <br /> measures and monitoring will be implemented if site temperatures are above 70 degrees <br /> Fahrenheit (F) <br /> Precautions to prevent heat stress will include work/rest cycles so that rest periods are taken <br /> before excessive fatigue occurs, and regular intake of water to replace that lost from sweating <br /> Work/rest cycles will be based on monitoring the heart rate (pulse) of each individual worker <br /> Rest breaks will be long enough to reduce the heart rate (HR) below levels calculated according <br /> to the following method <br /> 1 The worker will initially determine their resting HR prior to starting work activities <br /> 2 At the start of the first rest period, the worker will determine their HR This initial HR <br /> should not exceed the individual's age-adjusted maximum HR, which equals ((0 7)(220 <br />