Adding a distinctive smell to odorless liquid propane gas is an example of what type of mitigation activity?

Question

Question: Adding a distinctive smell to odorless liquid propane gas is an example of what type of mitigation activity?

Options:

1.  Modifying the rate or spatial distribution of the release of the hazard
2.  Reducing or limiting the amount of hazard manufactured
3.  Disseminating information
4.  Modifying the basic qualities of a hazard

Answer 1

4. Modifying the basic qualities of a hazard

Adding a distinctive smell to odorless liquid propane gas is an example of "Modifying the basic qualities of a hazard" type of mitigation activity.