Which of the following is not a method used to minimize the risk caused by working with radioactive sources?
a) Store the sources in lead lined boxes
b) Minimise the amount of time spent handling the sources
c) Keep the source cold
d) Keep the source as far as possible
Answers
Answer:
Substitution can be the best way to avoid or reduce a hazard. Often though, it is not easy or even possible to find a non-corrosive or less corrosive substitute to do the job effectively and safely. Start by obtaining the MSDSs for all possible substitute materials. Find out about all of the hazards (health, fire, chemical reactivity) of these materials before making any changes.
Choose the least hazardous materials that can do the job effectively and safely. Learn how to work safely with them, too.
Please see the OSH Answers Substitution of Chemicals: Considerations for Selection for more information. Also see Corrosive Materials and their Hazards for more information on corrosives.
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