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Site-specific training will be performed prior to the start of any work task, and will be supplemented with daily site safety briefings for the duration of the work task.The training will be conducted by the SSO or his designated representative before daily work activities begin.Training will be documented on AGE's Field Safety Briefing Form, found in Appendix C. 5.0 HAZARD ASSESSMENT 5.1 POTENTIAL PHYSICAL AND CHEMICAL HAZARDS Geoprobe sampling or other excavation activities to be performed as part of the Preliminary Endangerment Assessment, present a wide range of potential chemical and physical hazards to which personnel may be exposed. These are due both to the hazards presented by the work locations themselves (e.g., presence of contamination), and those, which may be encountered during the completion of the required scope of work.The potential hazards include,but are not limited to: 1. Potential exposure to soils containing elevated levels of heavy metals, 2. Exposure to soil with very high or low pH(corrosive properties), 3. Exposure to dust and other air-bome particulates generated from the operation of earthmoving equipment and potentially hazardous materials used in construction, 4 Slipping or falling hazards due to open excavations and uneven ground, 5. Hazardous noise produced during drilling or excavating activities, 6. Heat/cold stress,depending heavily on time of year,personal protective equipment in use,and specific work tasks/activities undertaken, 7. Hazards involving underground electrical,gas or other utilities,or overhead electrical lines, 8. Snapping cables,slings,and ropes during construction operations, 9. Cleaning and decontamination of equipment, 10. Vehicular traffic,including earth moving equipment,and it. Physical hazards related to lifting and other activities performed during construction activities. Physical hazards not listed here but known to any subcontractor or known to be associated with any subcontractor-provided services must be identified to the SSO and addressed prior to beginning work. Relevant information pertaining to such hazards will be presented to personnel during daily field safety briefings(see Section 10.2.2). 5.2 TASK HAZARD ANALYSIS 5.2.1 Reconnaissance Activities Reconnaissance activities include initial site walks, staking or other marking activities, utility location operations, and setup of site security and control measures. During these activities the work site will be walked and work locations identified. Excavation boundaries will be marked with stakes or white paint in conformance with USA guidelines. Hazards, which may be encountered, include heat stress and sunbum, potential for unprepared walking surfaces as well as open trenches and other contractor operations associated with ongoing construction activities. Level D personal protective equipment(PPE)will be worn at all times during site reconnaissance activities. Requirements for Level D PPE are described in Section 7.2.1. Also,the following requirements should be observed: Watch carefully where you walk. Do not step in shadows until you are sure of your footing. Shadows may hide pits,holes,or other unstable footing. Carefully choose your footholds when crossing rocky,uneven,or loose ground surfaces. • Due to the large volume of traffic and equipment with poor visibility, always wear a high visibility vest. Be aware of traffic flow directions and patterns. Page 17