Birds also seem to be particularly sensitive to this toxic compound.
When higher levels of toxic compounds are present, more methionine is needed.
A total of 2.4 billion pounds of toxic compounds were released into the air, the report said.
Apart from being a potent toxic compound, it may also be used in therapeutic ways.
It is considered the most toxic compound of this family.
All the laws were intended to reduce threats to health and the environment by toxic compounds.
Another 2005 goal - reducing emissions of 29 toxic compounds by 75 percent - has already been achieved, the company says.
It is a very toxic compound and should not be ingested.
Even a drop of either toxic compound on bare skin could kill.
Cutting and otherwise working with some products can expose workers to toxic compounds.