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JUL 26 '93 63:3EPM TR�ETRLUM (707) 762-3614 is P.7 3.3 Chemical Hazards To reduce the possibility of injury due to chemical hazards, personal protective equipment shall be wom. Because chemicals that may be encountered at the facility are expected to be present at low concentrations, R does not appear that it will be necessary to divide work sites into exclusion, decontamination, and clean zones. tf necessary, however, a 30-foot exclusion zone around the work site, delineated with hazard tape and cones, will be enforced. All personal protection clothing will be removed in an adjacent decontamination zone before entering the clean zone. No visitors will be allowed to approach the work site unless they are properly trained in safety procedures and under the supervision of a site hydrogeologist, 3.4 Acoustical Hazards To prevent hearing impairment, use ear plugs or ear muffs when noise levels prevent conversation in a normal voice at a distance of 3 feet. 3.5 Biological Hazards To reduce the risk of biological hazards, personal protective clothing will be used. Personal protective equipment will be removed and hands washed prior to consumption of food. beverage, and tobacco products. Smoking will not be allowed within 30 feet of the work area. Prior to leaving the site, personnel shall remove disposable personal protective equipment, place it in a sealed plastic bag, and dispose of k appropriately. 3.6 Temperature Hazards Procedures to reduce the possibility of health or safety risks caused by extreme temperatures shall be used, as follows: I. When the air temperature exceeds 70 degrees F, take frequent breaks in a shaded area. Unzip or remove coveralls during breaks. Have water or electrolyte- replenishing solution available, drink small amounts frequently to avoid dehydration. If pulse is over 110 beats per minute at the beginning of break, reduce the length of work periods and increase the frequency of breaks. Employees that have not determined their normal pulse range will do so before entering the field. This will be done on an individual basis or during yearly stress testing required during physical examinations. Individuals are responsible for monitoring their own pulse rate during field work. 2. Avoid contact with equipment exhaust pipes and steam cleaner nozzles. 7W