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1 PPmv benzene. This level is one tenth oflthe current occupational <br /> Permissible Exposure Limit (PEL) for an 8 hour exposure to benzene. <br /> Action Levels of Hydrocarbon Components in Petroleum Fuel: <br /> Gasoline >300ppm PEL LEL >010U <br /> Benzene > 1ppm PEL Oxygen <19. 5% ' <br /> I <br /> Toluene >100 <br /> Ppm PEL <br /> Xylene >100ppm PEL �} <br /> Ethyl Benzene >100ppm PELF <br /> A hydrocarbon vapor analyzer will be used to measure real time <br /> breathing zone concentration for comparison with the 100 ppmv working <br /> limit. When a persistent level of 100 ppmv ,}is observed, appropriate <br /> respirators will be donned and other vapor measurements will be made. <br /> If hydrocarbon vapors exceed 1000 PPrnv or 10 ppm benzene, work will <br /> be stopped. The field crew will be instructed to stay up wind and <br /> methods will be applied to subdue fugitive vapor emissions such as <br /> sprinkling soil with water , or the use of copes blower . ) <br /> The site Safety Officer will make such determinations. <br /> If LEL is >10% in or around the tank, work must stop and not commence i <br /> until determined safe and/or LEL% <10% . i <br /> If oxygen levels in the immediate work ��areei:� are < 19. 5% , work must <br /> stop until determinated safe and/or levels are >19. 5% . <br /> Symptoms Of Acute Overexposure: Gasoline and gasoline vapors maybe i <br /> irritating to the skin, eyes and respiratory�itract. Gasoline vapors <br /> may effect the central nervous system and may cause headaches and <br /> dizziness . <br /> i# <br /> Oxygen Deficiency: May cause dizziness. �l <br /> I� <br /> I� tIy <br /> iI <br /> i� IF I <br /> I ' <br /> a <br /> 1 <br /> , <br /> I <br /> I I {j <br /> �I <br /> I <br /> , <br />