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EXXON REGULAR GASOLINE i E. HEALTH AND HAZARD INFORMATION VARIABILITY AMONG INDIVIDUALS Health studies have shown that many petroleum hydrocarbons and synthetic lubricants pose potential human health risks which may vary from person to person. As a orecaution, eroosure ( to liquids, vapors, mists or fumes should be minimizes. EFFECTS OF OVEREXPOSURE (Signs and symptoms of exposure) High vapor concentrations (greater than approximately 1000 ppm) are irritating to the eyes and the respiratory tract, may cause headaches and dizziness, are anesthetic, may cause unconsciousness, and may have other central nervous system effects including death. Prolonged or repeated liquid contact with the skin will dry and defat the skin, leading to Possible irritation and dermatitis. MATURE OF HAZARD AND TOXICITY INFORMATION Prolonged or repeated skin contact with this product tends to remove skin oils possibly leading to irritation and dermatitis: however, based on human experience and available toxicological data, this product is judged to be neither a "corrosive" nor an "irritant" by OSHA criteria. Product contacting the eyes may cause eye irritation. This product may contain up to a maximum of 4.9 weight percent benzene, CAS No. 71-43-2, as a natural constituent of various gasoline blend components. Benzene can cause anemia and other blood diseases, including leukemia (cancer of the blood-forming system), after prolonged or repeated exposures at high concentrations (e.g. , 50-500 ppm). It has also caused fetal defects in tests on laboratory animals. Exxon's. recommended DEL for benzene is 5 ppm for an 6-hour period, or 250 ppm-minutes over a 5- to 30-minutes period. Contains light hydrocarbon components. Lifetime studies by the American Petroleum Institute have shown that kidney damage and kidney cancer can occur in male rats after prolonged inhalation exposures at elevated concentrations of total gasoline. Kidneys of mice and female rats were unaffected. The implication of these data for humans has not been determined, particularly since most human exposures are to light components, not to total gasoline. Certain components, such as normal hexane, may also affect the nervous system at high concentrations (e.g. , 1000-1500 ppm). Typically, n-hexane represents 1 to 3% of gasoline. May contain a combined concentration of toluene, CAS No. 108-88-3, and xylene, CAS No. 1330-20-7, ranging from approximately 5 to 50%. Product has a low order of acute oral and dermal toxicity„but minute amounts aspirated into the lungs during ingestion or vomiting may cause mild to severe pulmonary injury and possibly death. This product is judged to have an acute oral L050 (rat) greater than 5 g/kg of body weight, and an acute dermal LD50 (rabbit) greater than 3. 16 g/kg of body weight. PRE-EXISTING MEDICAL CONDITIONS WHICH MAY BE AGGRAVATED BY EXPOSURE Benzene - Individuals with liver disease may be more susceptible to toxic effects. Hexane - Individuals with neurological disease should avoid exposure. Petroleum Solvents/Petroleum Hydrocarbons - Skin contact may aggravate an existing dermatitis. F. PHYSICAL DATA The following data are approximate or typical values and should not be used for precise des+nn purposes. BOILING RANGE VAPOR PRESSURE Approximately 21' C (70' F) IBP Varies seasonally from approximately to 227*C (440* F) FBP 5 to 15 psi Reid Vapor Pressure 945-0277(MWH002)