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January 2020 <br />AGI Project No. 20-6107 <br />Page 2 of 5 <br />3.0. ON-SITE CONTROL <br />The Site Safety Officer will coordinate site access control and security. An exclusion <br />zone will be established approximately 20 feet around excavation location work areas. <br />No unauthorized person shall be allowed within this exclusion area. <br />4.0. HAZARD EVALUATION <br />The following substance(s) or hazards are known or suspected to be on site. <br />SUBSTANCESINVOLVED: <br />CONCENTRATIONS: <br />Benzene <br />Unknown <br />Toluene <br />Unknown <br />Ethyl -benzene <br />Unknown <br />Total xylenes <br />Unknown <br />MTBE <br />Unknown <br />TPH <br />Unknown <br />Benzene <br />Unknown <br />The additional potential hazards include: Slip -trip -fall hazards noise, heavy equipment <br />(i.e., drill rig) vibration hazards, traffic hazards, etc. <br />5.0. PERSONAL PROTECTIVE EQUIPMENT <br />Based on evaluation of potential hazards, the following levels of personal protection <br />have been designated for the applicable work areas or task: <br />LOCATION: <br />JOB FUNCTION: <br />LEVELS OF PROTECTION: <br />Exclusion Zone <br />Excavation Area <br />A B C D Other <br />Reduction Zone <br />Preserve samples <br />A B C D Other <br />Support Zone <br />Support functions <br />A B C D Other <br />Specific protective equipment for each level of protection used is follows: <br />