Self paced silent presentation of some safety tips to avoid dangerous inhalation of benzene as we drive, fill-up and park in your garage. Benzene is a potent carcinogen that causes cancer, especially leukemia. We are exposed to much greater concentrations of benzene than OSHA and NIOSH say is safe. But there are some very simple precautions that you can take to significantly lower the dosage you are getting now. You just have to be made aware of the difficult medical situation that driving on gasoline has put us into.