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PermissibleExposuresllevel is one tenth of the - _ <br /> it (P, ,� for an g urrent occupational <br /> '%w hour e.�sure to benzene. <br /> Action Levels of <br /> Hydrocarbon Components is Petroleum Fuel: <br /> Gasoline >300ppm PEL LEL > 108 <br /> Benzene <br /> > 1ppm PEL Oxygen <19 .58 <br /> Toluene >100ppm PEL <br /> Xylene >100ppm PEL <br /> Ethyl Benzene >100ppm PEL <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 ppmv 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 <br /> sprinkling soivapor emissions such as <br /> l with water, or the use of copus 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 <br /> until determined safe and/or LEL% < 10% . <br /> if oxygen levels in the immediate work area are < 19 .5%, work must <br /> store until determinated safe and/or levels are >19 .5% . <br /> Symptoms Of Acute Overexposure: Gasoline and gasoline vapors maybe <br /> irritating to the skin, eves and respiratory tract. Gasoline vapors <br /> may effect the central nervous system and may cause headaches and <br /> dizziness . <br /> Oxygen Deficiency: May cause dizziness . <br /> JJr-I <br />