Code of Federal Regulations Title 40. Protection of Environment § 40.63.1345 Emissions limits for affected sources other than kilns;  clinker coolers;  new and reconstructed raw material dryers

The owner or operator of each new or existing raw material, clinker, or finished product storage bin;  conveying system transfer point;  bagging system;  bulk loading or unloading system;  raw and finish mills;  and each existing raw material dryer, at a facility which is a major source subject to the provisions of this subpart must not cause to be discharged any gases from these affected sources which exhibit opacity in excess of 10 percent.