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f <br /> D. Temperature Hazards fh <br /> I <br /> 1. Heat Stress f <br /> 1, 2, & 3 When temperature exceeds 70°F, take frequent breaks in shaded j <br /> area. Unzip or remove coveralls during breaks. Have cool water i <br /> or electrolyte replenishment solution available. Drink small <br /> amounts frequently to avoid dehydration. Count the pulse rate for f <br /> 30 seconds as early as possible in the rest period. If the pulse rate <br /> exceeds 110 beats per minute at the beginning of the rest period, <br /> shorten the work cycle by one-third. 4 <br /> i <br /> 4 <br /> 2. Cold Stress t <br /> NE Wear multilayer cold weather outfits. The outer layer should be of <br /> wind resistant fabric. <br /> NE 00 to -30°F total work time is 4 hours. Alternate 1 hour in and <br /> 1 hour out of the low-temperature area. Below-30°F, consult <br /> industrial hygienist. <br /> NE Drink warm fluid. Provide warm shelter for resting. Use buddy <br /> system. Avoid heavy sweating. <br /> 1 <br /> E. Acoustical Hazards <br /> 1. 2, & 3 Use earplugs or earmuffs when noise level prevents conversation <br /> in normal voice at distance of 3 feet. <br /> F. OZ Deficiency-Confined Space Hazards <br /> A <br /> Confined spaces include trenches, pits, sumps, elevator shafts, tunnels, or any other area where I <br /> circulation of fresh air is restricted or ability to readily escape from the area is restricted. Consult <br /> DHSO and Corporate Health and Safety Policy prior to entering confined space. <br /> NE Obtain permit for confined space entry <br /> NE Monitor 02 and organic vapors before entering. If following values <br /> are exceeded, do not enter: j <br /> - OZ less than 19.5 percent or greater than 25%. <br /> Total hydrocarbons greater than 5 ppm above background, ' <br /> if all air contaminants have not been identified. <br /> Concentrations of specific contaminants exceeding action <br /> level in Section 19 if all air contaminants are identified. <br /> } <br /> f <br /> E <br /> t <br /> I <br /> NE = NOT EXPECTED { <br /> J45 72.doc 11 <br /> i <br /> { <br /> k <br />