The National Institute for Occupational Safety and Health (NIOSH):
​

• About Pneumoconiosis:

           http://www.cdc.gov/niosh/topics/pneumoconioses/

• The B Reader Program:

           http://www.cdc.gov/niosh/topics/chestradiography/breader.html ​

• The B Reader List:​

           http://www.cdc.gov/niosh/topics/chestradiography/breader-list.html

• The B Reader Code of Ethics:

          http://www.cdc.gov/niosh/topics/chestradiography/breader-ethics.html

• ​OSHA's Final Rule on Respirable Crystalline Silica:
  

           https://www.osha.gov/silica/

Related Scientific Publication by Dr. Seaman of B Reader Consultants, LLC:

          Seaman DM, et al:  Occupational and environmental lung disease.
          In: Clinics in Chest Medicine, 2015; 36(2): 249-68.  
          http://www.ncbi.nlm.nih.gov/pubmed/26024603  (abstract)