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2018 <br />AGE-NC-Project No. 12-2169 <br />Page 2 of 4 <br />3.0. ON-SITE CONTROL <br />The Site Safety Officer will coordinate site access control and security. An exclusion zone <br />will be established approximately 20 feet around boring location work areas. No <br />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: CONCENTRATIONS: <br />Gasoline 8,230 pg/I <br />Diesel N/A <br />Benzene 225 pg/I <br />Toluene 1,270 pg/I <br />Ethylbenzene 957 pg/I <br />Xylenes 3,200 pg/I <br />Methyl tertiary Butyl Ether N/A <br />PCE/TCE N/A <br />The primary hazards of each are identified as follows: <br />Hydrocarbon fuels - Components of fuels are colorless liquids with strong aromatic <br />petroleum hydrocarbon-like odors. They are flammable and have low solubility in water. <br />Exposure to these materials in excess of recommended exposure limits can cause mild <br />eye, nose, and throat irritation and can produce a narcotic effect on the central nervous <br />system. Symptoms of exposure includes headache, nausea, drowsiness, dizziness, and <br />loss of coordination. Certain components of gasoline (BTE&X etc.) are known or <br />suspected carcinogens. <br />The additional potential hazards include: Slip-trip-fall hazards, noise, heavy equipment <br />(i.e., drill riq), vibration hazards, traffic hazards, pedestrians <br />5.0. PERSONAL PROTECTIVE EQUIPMENT <br />Based on evaluation of potential hazards, the following levels of personal protection have <br />been designated for the applicable work areas or task: