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Contamination R. uction Zone: A formal deL.,tamination zone <br /> should not be required during the preliminary investigation. <br /> However, an area will be designated in the event extreme <br /> gasoline 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 depends <br /> on factors such as accessibility, wind direction (it should be <br /> up wind of excavation) , and resources (e.g. roads, utilities, <br /> shelter) . <br /> Decontamination Procedures <br /> Petroleum hydrocarbon liquids and vapors are anticipated. Due to the <br /> volatile nature of hydrocarbons that may be encountered during the <br /> initial excavation and sampling operations, decontamination of <br /> equipment and vehicles will be of minimal importance since the <br /> volatile 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 in <br /> the exclusion zone. All personnel involved in work activities will <br /> be instructed to wash their hands, face, neck and forearms at the end <br /> of the work day. soap, water and towels will be provided at the site <br /> for this purpose. The field personnel will also be instructed to <br /> shower at home at the end of each work day. <br /> As work progresses, the nature of materials handled and the extent of <br /> contamination may possibly require formal decontamination procedures <br /> and delineated work/clean zones . However, we do not expect that such <br /> formal procedures will be necessary at this site and will only <br /> proceed at the Safety Officer discretion. In the event extreme <br /> contamination is encountered, decontamination of personnel, equipment <br /> and vehicles will be important to insure that contamination dose not <br /> spread to unsuspecting people and property. Personal decontamination <br /> mainly involves personal hygiene. Contamination should not be <br /> present on the skin if the proper protective methods specified in <br /> this plan are used. However all field personnel will be instructed <br /> to follow these guidelines to insure that contamination dose not <br /> remain on equipment, sample containers or in contact with their <br /> bodies . <br /> SSP-8 <br />