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inhalation Secondary routes of exposure include dermal <br /> (by direct contact with contaminated soil or water) , and <br /> the incidental ingestion of hydrocarbon contaminated dust . <br /> The measures prescribed for the minimization of risks <br /> associated with exposure are described below . <br /> HAZARDS ASSOCIATED WITH FLAMMABLE VAPORS <br /> Although the mean concentrations of fuel hydrocarbons <br /> likely to be encountered are low to moderate, it is <br /> recognized that there is a potential for vapors phase <br /> contamination to collect flammable concentrations The <br /> measures for early detection of these vapors are described <br /> below <br /> PHYSICAL HAZARDS <br /> The physical hazards attendant to the performance of site <br /> investigations are the same as those associated with <br /> working on and/or near mechanized equipment at non- <br /> regulated sites Normal safety procedures prescribed for <br /> the operation of equipment to be used on this project are <br /> already in force and are well known to project personnel . <br /> + Further , work-rest cycles will be established and adhered <br /> to so as to provide adequate rest periods , liquids will <br /> also be available to preclude problems associated with heat <br /> stress <br /> RISK FACTORS AND ASSOCIATED MITIGATION PROCEDURES <br /> THAT WILL BE EMPLOYED AT THE SITE <br /> Type of Risk Route of Exposure Mitigating Factors <br /> Chemical Inhalation -Air purifying <br /> respirator with <br /> organic vapor cartridge <br /> -A hydrocarbon vapor <br /> survey meter or Drager <br /> pump will be used to <br /> determine exposure <br /> Chemical Dermal / Ingestion -Proper use of equipment <br /> to minimize direct <br /> exposure to soil <br /> -Use of appropriate <br /> clothing to include <br /> mfgr recommended <br /> gloves <br /> R. <br />