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Site Safety and Health Plan <br /> Petroleum Hydrocarbon Contamination <br /> Terracon Project#67047008 <br /> Page 10 <br /> GASOLINE (Cont'd) <br /> i <br /> PHYSICAL AND CHEMICAL PROPERTIES j <br /> MOLECULAR WEIGHT Average molecular weight of 108 (1); 72.5 1 <br /> BOILING POINT Range of about 50-200 deg C (122-392 deg F) { <br /> RELATIVE DENSITY (SPECIFIC GRAVITY) : 0.72 - 0.76 (water= 1).(28) 1 <br /> SOLUBILITY IN WATER Insoluble <br /> SOLUBILITY IN OTHER LIQUIDS : Completely soluble in ether, chloroform, ethanol <br /> and other petroleum solvents. <br /> VAPOUR DENSITY 3-4 (air= 1) (19) <br /> VAPOURPRESSURE Variable, but significant; 400-775 mm Hg at 20 deg C (1) <br /> EVAPORATION RATE Rapid; 4 (20); greater than 10 (21) (n-butyl acetate = 1) <br /> pH VALUE € Maximum of 9 (20) <br /> CRITICAL TEMPERATURE : Not available <br /> STABILITY t. Normally stable. <br /> HAZARDOUS POLYMERIZATION Does not occur <br /> CONDITIONS TO AVOID : Static discharge, friction, sparks, open flames, heat and <br /> other sources of ignition. <br /> i <br /> i <br /> i <br /> 10 <br />