If you happen to spill a bacterial culture on the floor during lab, which of the following statements describes the correct clean-up procedure?
a) Immediately wipe culture up with paper towels, then place them in the trash can.
b) Saturate spill with bleach and let air dry.
c) Sweep up the culture with a mop and broom.
d) Immediately cover the spill with paper towels, saturate with disinfectant, then let sit for 15 minutes.