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20 February 2019 AdvancedGeo <br /> AGE Project No. 07-1537 Environmental <br /> Page 2 of 6 N W <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 /> SUBSTANCES INVOLVED: F CONCENTRATIONS: <br /> Benzene Unknown <br /> Toluene Unknown <br /> Ethyl-benzene Unknown <br /> Total xylenes Unknown <br /> MTBE Unknown <br /> Total Petroleum Hydrocarbons Unknown <br /> Total Lead 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: JOB FUNCTION: LEVELS OF PROTECTION: <br /> Exclusion Zone Excavation Area A B C D Other <br /> Reduction Zone Preserve samples A B C D Other <br /> Support Zone Support functions A B C D Other <br /> Specific protective equipment for each level of protection used is follows: <br />