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Bradburn, Briller&Johnson, • Health&Safety Plan 3.6 Tools and Equipment Tools and equipment used shall be inspected daily and prior to use by the operator and maintained to be safe and adequate for their designated use. 3.7 Work Zones Prior to field activities, the FSC shall determine the applicable Work Zones depending on the extent of work activities to be conducted. Personnel shall be briefed on the use and requirements of each area during the Site Safety Meeting. Up to three zones will be established within each work area. The zones are: • Exclusion Zone; • Decontamination Zone;and, • Support Zone. The inner boundary of the Support Zone will delineate the safe perimeter. The specific zone areas will change according to the specific task being performed and the location of that task. Exclusion Zones The Exclusion Zone is defined as the area where a potential for harm to personnel exists due to the known or likely presence of potential hazards (e.g., chemical hazards, physical hazards, etc.). Activity such as subsurface drilling,sampling,and/or installations will occur in the Exclusion Zone. Decontamination Zone The Decontamination Zone is the area where personnel conduct personal and equipment decontamination. It is essentially a buffer zone between the exclusion zone and the support zone. If necessary, there will be one or more central decontamination zones for operational equipment. PPE will be decontaminated at the local decontamination zone for each work site. If necessary, decontaminated clothing will be temporarily contained in a 55-gallon drum and decontamination fluids will be temporarily containerized in separate 55- gallon drums pending disposal (Consult the site-speck Proposal or Work Plan for speck decontamination procedures). If necessary, a safe perimeter will be established for work areas to protect against physical and chemical hazards. The safe perimeter delineates where the chemical and physical hazards associated with on-site activities are reduced. For active subsurface assessment sites,the safe perimeter will be marked(if possible pending site obstructions and operations) by traffic cones and/or caution tape. No persons will be allowed inside the perimeter without proper protective equipment. Equipment within a work area (e.g., auger sections,steel casings,barrels,etc.)will be stored in an orderly fashion so as to minimize physical hazards. Support Zone The Support Zone is located outside the safe perimeter, where the chance to encounter hazardous materials or conditions is minimal. Personal protective equipment is therefore not required. PPE will be stored there, as will first aid equipment. 6