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December 2020 <br />Project No. 20-6249 <br />Page 2 of 7 <br /> <br />3.0. ON-SITE CONTROL <br /> <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 /> <br />4.0. HAZARD EVALUATION <br /> <br />The following substance(s) or hazards are known or suspected to be on site. <br /> <br />SUBSTANCES INVOLVED: CONCENTRATIONS: <br />Benzene-soil gas 0.42 ug/l <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />ADDITIONAL POTENTIAL HAZARDS INCLUDE: <br />SLIP-TRIP-FALL NOISE <br />HEAVY EQUIPMENT VIBRATION HAZARDS <br />TRAFFIC HAZARDS <br /> <br /> <br />5.0. PERSONAL PROTECTIVE EQUIPMENT <br /> <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 /> <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