CDC Mining Topic Respiratory Diseases NIOSH
May 19, 2021 Since 1970, NIOSH has compiled data on the prevalence of CWP in underground coal miners. The attached figure shows a summary of this data. The prevalence of examined miners with 25 or more years of experience diagnosed with CWP was approximately 33% in the early 1970s. The prevalence dropped to less than 5% by the late 1990s.
Get Details