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I <br /> t <br /> Y <br /> 24 November 1997 <br /> AGE-NC Project No. 97-0351 <br /> Page 2 of 6 <br /> 3.0. ON-SITE CONTROL <br /> William Little has been designated to coordinate access aontrol and security onsite. A safe perimeter <br /> has been established at 20 feet around probe borings No unauthorized person should be within <br /> this exclusion area. <br /> 4.0. HAZARD EVALUATION <br /> The following substance(s) or hazards are known or su peeled to be on site. <br /> SUBSTANCES.INVOLVED. CONCENTRATIONS. <br /> Gasoline 690 pm <br /> Other organic-based products (?) unkr own <br /> I <br /> The primary hazards of each are identified as follows: <br /> 1. Hydrocarbon fuels - Components of fuels a e 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 eye, <br /> nose, and throat irritation and can produce a narcotic effect on the central nervous system. <br /> Symptoms of exposure at these concentratio is include headache, nausea, drowsiness, <br /> dizziness,and loss of coordination. Certain components of gasoline(BTE&X etc.)are known <br /> or suspected carcinogens. <br /> The following additional hazards are expected on site:-typical work related to facili1y. Noise falling <br /> rods. etc.(if applicable). <br /> 5.0. PERSONAL PROTECTIVE EQUIPMENT <br /> Based on evaluation of potential hazards, the following levels of personal protection have been <br /> designated for the applicable work areas or task: <br /> LOCATION. :, <br /> E__-_' ' <br /> ,IOB..F.:UNCT]ON. LEVELS:;OF.PROTECTION. <br /> Exclusion Zone Drill borings A B C D Other <br /> q Reduction Zone Preserve samples A B C D Other <br /> and log borings <br /> Support Zone Support functions A B C D Other <br />