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23 May 2001 <br /> AGE-NC Project No. 98-0426 <br /> Page 2 of 7 <br /> f 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 work areas. No`unauthorized person shall <br /> be allowed within this exclusion area. <br /> r _ . <br /> F. 4.0. HAZARD EVALUATION <br /> The following substance(s) or hazards'are known:'or suspected to be on site. <br /> pe �a en-,a ;•;h#;4 fid' ;.a= ps.Ana". .,, � o <br /> : <br /> t <br /> � <br /> suBs ras xNvoi�vIlf. , , .. . orc.E�vT�coNs , Fa <br /> Benzene Up to 240 gg/kg <br /> 1 <br /> Toluene gUp to 350 gg/kg <br /> Ethyl-benzene 'Up to 160,000 gg/kg <br /> Total xylenes Up to 750,000 gg/kg <br /> MTBE jUnconfirmed up to 3,600 gg/kg i <br /> Motor Oil kUnknown <br /> 1. Diesel <br /> Unknown j <br /> Gasoline ;�Up to 11,000 mg/kg <br /> The primary hazards of each are identified as follows: <br /> 1. Hydrocarbon fuels-Components of fuels are colorless liquids with strong aromatic petroleum <br /> hydrocarbon-like odors. They are flammable and have low solubility in water. Exposure to <br /> these materials in excess of recommended exposure limits can cause mild eye, nose, and <br /> throat irritation and can produce a narcotic effect on the central nervous system. Symptoms <br /> of exposure at these concentrations include headache,nausea,drowsiness,dizziness,and loss <br /> of coordination. Certain components of gasoline {BTE&X etc.) are known or suspected <br /> carcinogens. <br /> The additional potential hazards include: Slip-trip-fall hazards noise, hcLVY equipment i.e. <br /> Geoprobe rig), vibration hazards, traffic hazards,'"ete. <br /> Advanced GeoEnvironmental,Inc. <br /> h <br />