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03 May 2017 <br />AGE Proposal No. 16-7172 <br />Page 4 of 8 <br />AdvancedGeo <br />Environmental <br />Ws0. <br />SUBSTANCES INVOLVED: CONCENTRATIONS: <br />Gasoline Up to 18,000 mg/kg <br />Benzene Up to 27 mg/kg <br />Toluene Up to 24 mg/kg <br />Ethylbenzene Up to 16 mg/kg <br />Xylenes Up to 60 mg/kg <br />Ted amyl methyl ether (TAME) Up to 1 mg/kg <br />Methyl tertiary butyl ether (MTBE) Up to 0.67 mg/kg <br />1,2-dichloroethylene (1,2-DCA) Up to 0.034 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 <br />petroleum hydrocarbon-like odors. They are flammable and have low solubility in <br />water. Exposure to these materials in excess of recommended exposure limits can <br />cause mild eye, nose, and throat irritation and can produce a narcotic effect on the <br />central nervous system. Symptoms of exposure at these concentrations include <br />headache, nausea, drowsiness, dizziness, and loss of coordination. Certain <br />components of gasoline (i.e. benzene and MTBE) are known or suspected <br />carcinogens. <br />The additional potential hazards include: Slip-trip-fall hazards, noise, heavy equipment <br />(i.e., drill rig), vibration hazards, traffic hazards, etc. <br />6.0. 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: <br />LOCATION: JOB FUNCTION: LEVELS OF PROTECTION: <br />Exclusion Zone Drill borings A BCD Other <br />Reduction Zone Preserve samples <br />and log borings <br />A BC D Other <br />Support Zone Support functions A BCD Other