This quiz will test your knowledge of preventing exposure to toxic and hazardous substances in the workplace. Click below to see answers.

1. An open-vessel system is:
   1. Is approved for all carcinogens but Ethyleneimine
   2. Prohibited for use in handling these carcinogens
   3. Is approved for only Methyl chloromethyl ether, beta-Naphthylamine and 4-Aminodiphenyl
   4. Easily converted into a regulated area
2. You may handle these carcinogens:
   1. None of the below
   2. And keep your lunch handy at your workstation
   3. And put on lip balm to protect your skin
   4. And smoke cigarettes
3. Labels on containers handled only by authorized employees in regulated areas:
   1. Must have the full chemical name and the Chemical Abstracts Service Registry
   2. Must list all possible hazards including corrosivity and reactivity
   3. May have only a generic or proprietary name of the carcinogen and the percent.
   4. None of these
4. To enter a regulated area:
   1. You need an employee identification card
   2. Goggles but not a respirator
   3. A respirator but not goggles
   4. An impervious suit, with gloves, boots and air-supplied hood
5. When carcinogens are being handled outside of a closed system:
   1. Anyone who’s available will be assigned
   2. Access is restricted to authorized personnel
   3. Not permissible under the rules
   4. Local ventilation must be shut down