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Page 3 of 3 <br /> N <br /> concentration (250,500 & 1000 ppm ) was observed during a 90 day Test exposure. <br /> ACGIH has listed MTBE as an animal carcinogen (A3) based on tests in experimental <br /> animals at relatively high dose levels, by routes of administration , at sites, of histologic <br /> types, or by mechanisms not considered relevant to worker exposure. Available <br /> evidence suggests that MTBE is not likely to cause cancer in humans except under <br /> uncommon or unlikely routes of levels of exposure. <br /> 7. Trimethylbenzene (pseudocumene (1 ,2,4,) & mesitylene (1 ,2, 5,)) has a PEL and TLV <br /> i of 25 ppm 8 hr. TWA; the isomers may cause nervousness, tension, and anxiety and <br /> asthmatic bronchitis. <br /> i <br /> 8, n-Hexane has been shown to cause polyneuropathy (peripheral nerve damage) after <br /> i repeated and prolonged exposure, other hexanes show narcotic effects at 1000 ppm <br /> and are not metabolized like n-hexane. <br /> j 9. Toluene can cause impairment of coordination and momentary loss of memory (200- <br /> 500 ppm); Palpations, extreme weakness and pronounced loss of coordination (500- <br /> 1500) . The 100 ppm 8 hr. TWA and the 150 ppm STEL provides adequate protection. <br /> 10. The toxicological effects of ETBE and TAME have not been thoroughly investigated. <br /> ETBE and TAME are expected to be an inhalation hazard and a severe eye and <br /> moderate skin irritant. <br /> Hazards of Combustion Products : Carbon monoxide and carbon dioxide can <br /> be found in the combustion products of this product and other forms of hydrocarbon <br /> combustion . Carbon monoxide in moderate concentrations can cause symptoms of <br /> headache, nausea, vomiting, increased cardiac output, and confusion. Exposure to <br /> higher concentrations of carbon monoxide can cause loss of consciousness, heart <br /> damage, brain damage, and/or death. Exposure to high concentrations of carbon <br /> dioxide can cause simple asphyxiation by displacing available oxygen. Combustion of <br /> this and other similar materials should only be carried out in well ventilated areas. <br /> Home Next <br /> i <br /> N <br /> S <br /> 6 <br /> http ://www.brownoil.com/msdsgasoline .htm 11/10/2004 <br />