Bread Baking Company Operates a Commercial Baking Plant-A "Major Source"-That

Bread Baking Company operates a commercial baking plant-a "major source"-that emits hazardous air pollutants for which the Environmental Protection Agency has set maximum levels of emission.The plant does not use any equipment to reduce its emissions.Under the Clean Air Act,this is most likely​

A) a violation.
B) not a violation because baking is not considered to be polluting.
C) not a violation because the plant does not use any equipment.
D) not a violation because the plant is not a mobile source.