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e <br /> immediate vicinity of the project will be established and taped <br /> off. Only authorized personnel will be permitted to enter the work <br /> zone. Authorized personnel will include those who have duties <br /> requiring their presence in the wcirk zone and have read this site <br /> safety plan. Work zones are; - also created to aid in the <br /> decontamination -of equipment„ acid personnel . The following <br /> describes the zones to be established. <br /> Exclusion Zone: A 75 foot circle around the work area will be <br /> defined before work starts. The area inside the circle will <br /> constitute the "Exclusion. Zone" . The Exclusion Zone <br /> constitutes the area where the potentially hazardous air borne <br /> contaminates and physical hazards to the workers exist. <br /> Appropreate personal protection must be available to all <br /> personnel in this area. The size of the Exclusion Zone may be <br /> changed to accommodate site conditions and to assure <br /> contaminate containment. <br /> Contamination Reduction Zone: A formal decontamination zone <br /> should not be required during the preliminary investigation. <br /> However, an area will be designated in the event extreme <br /> hydrocarbon contamination is encountered. The decontamination <br /> zone will be an area where personnel can clean protective <br /> equipment. A waste container will be placed outside of the <br /> exclusion zone so contaminated equipment can be placed inside <br /> and covered. <br /> Support Zone: A Support Zone, the outermost zone, must be <br /> defined for each field activity. Support equipment is located <br /> in this uncontaminated„or clean area. Normal work clothes are <br /> appropriate within this zone. The location of this zone <br /> depends on factors such as accessibility, wind direction (it <br /> should be upwind of excavation)., and resources (e.g. roads, <br /> utilities, shelter) . <br /> 8. DECONTAMINATION PROCEDURES <br /> Petroleum hydrocarbon vapors. are anticipated. Due to the volatile <br /> nature of hydrocarbons that may be encountered during the initial. <br /> excavation and sampling operations, decontamination of equipment <br /> and vehicles will be of minimal, importance since the volatile <br /> hydrocarbons will rapidly vaporize. Therefore, no formal <br /> decontamination procedure will; be followed with the exception of <br /> general cleaning. No eating, drinking or smoking will be permitted <br /> in the exclusion zone. All personnel involved in work activities <br /> will be instructed to wash their hands, face, neck and forearms at <br /> the end of the work day. Soap, water and towels will be provided <br /> at the site for this purpose. The field personnel will also be <br /> instructed to shower at home at . the end of each work day. <br /> As work progresses, the nature of materials handled and the extent <br /> of contamination may possibly require formal decontamination <br /> 7 <br />