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05 August 1999 <br /> AGF,NC Project No. 98-0497 <br /> Page 2 of 7 <br /> 3.0. ON-SITE CONTROL <br /> The Site Safety Officer will coordinate site access control and security. A exclusion zone will be <br /> established approximately 10 feet around boring location vmrk areas.No unauthorized person shall <br /> 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 /> CONCEII'XX.......... <br /> A A T i:6, <br /> Diesel Up to 5,100 mg/kg <br /> Gasoline Unknovrn-none detected <br /> The primary hazards of each are identified as follows., <br /> 1. Hydrocarbon fuels - Components of fuels are olorless liquids with strong aromatic <br /> petroleum hydrocarbon-like odors. They are fl able and have low solubility in water. <br /> Exposure to these materials in excess of recommen,led exposure limits can cause mild eye, <br /> nose,and throat irritation and can produce a narco ie effect on the central nervous system. <br /> Symptoms of exposure at these concentrations nclude headache, nausea, drowsiness, <br /> dizziness,and loss of coordination.Certain components of gasoline(BTE&X etc.)are known <br /> or suspected carcinogens. <br /> The additional potential hazards include: Slig:tri g-fall hazardsnoise, bqM_equi=ent <br /> Cmg1mb;rig)-vibration hazards.traffic b-azaW5,etc. <br /> 5.0. PERSONAL PROTECTIVE EQUIPMENT <br /> Based on evaluation of potential hazards, the following evels of personal protection have been <br /> designated for the applicable work areas or task: <br /> Advanced(;roEn%ireumental,lee. <br />