Put on the respiratory protective gear and rubber gloves.
Use the razor blade to cut the area of carpet where the mold is, or if it is an area rug, throw out the rug.
Place a fan facing the area of carpet that was just removed. Leave the fan on until the floor is completely dry.
Use a high ozone shock treatment to kill the remaining spores.
Use a fungicide as an extra precaution. Spray over the area of mold.