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• • Project No. 014-95262 ' Page No. 15 Associates will assure the presence of soap, water, and towels at the drilling site for this purpose. All crews will be instructed to shower at their home or lodge at the end of the workday. • No eating, drinking, smoking, or chewing of gum or tobacco will be permitted in ' the work zone. • During this investigation, the nature of materials handled and the extent of contamination may require formal decontamination procedures and delineated work/clean zones. At the discretion of the Task Leader, the following work zones and decontamination procedures will be used to minimize the transfer of hazardous substances from the site so as to protect the environment and public health. 7.1 Work Zones The field team shall prevent the uncontrolled movement of waste materials or hazardous substances from the drilling site. The team will prevent migration of site contaminants by using the following work zones and equipment/personnel decontamination procedures. Exclusion Zone: A circle around any given bore hole will be defined before drilling starts. In most cases, the zone will be "roped off' with an applicable barricade tape. This designated area will constitute the "Exclusion Zone". This zone is where potentially hazardous surface contaminants as a result of our investigation and physical hazards to the workers will be contained. Personal protection equipment will be required in this area according to the discretion of the Task Leader and/or in accordance with the guidelines contained in this plan. The size of the Exclusion Zone may be changed to accommodate site conditions and to ensure contaminant containment at the discretion of the project manager, safety officer, ' or task leader. No personnel will be permitted into the Contamination Reduction Zone or the Exclusion Zone unless they are in full compliance with the existing Safety Plan. The buddy system must be maintained by all personnel while in this zone. Intrinsically safe communications will be maintained with all personnel in this area. Contamination Reduction Zone: An area surrounding the Exclusion Zone will be defined. All personal decontamination activities will occur in this area. A waste container may be placed in this area so that contaminated disposal equipment can be placed inside and covered. Surface/soil contamination in this area may be controlled by use of some form of plastic sheeting. Support Zone: A Support Zone, must be defined for each field activity. Support personal and/or equipment is located in this uncontaminated(clean) area. Normal Krazan&Associates field uniforms are appropriate within this zone. The location of this zone depends on factors such as accessibility, wind direction, nearby rods, utilities, traffic patterns, shelter, etc.... KRAZAN& ASSOCIATES,INC. Offices Serving the Western United States 95262.HSP