Biohazard spills are first covered with paper towels, or other absorbents primarily to help in the absorption of biohazards and suppress any type of aerosols.
A biohazard is any substance that may suppose a biological risk for the person that enters into contact with this toxic substance.
For example, Ethidium bromide is a well-known biohazard that may cause cancer and it may act as a mutagenic agent, thereby its spills must be rapidly observed with paper towels (avoiding contact).
In conclusion, biohazard spills are first covered with paper towels, or other absorbents primarily to help in the absorption of biohazards and suppress any type of aerosols.
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