A Critical Review of Coal Workers Pneumoconiosis (CWP) and Coal Rank for Evaluation of Safe Exposure Levels in Coal Mining

John F Gamble^*, Robert B Reger and Robert E Glenn

Consultant, Somerset, NJ, USA

^*Corresponding Author: John F Gamble, Consultant, Somerset, NJ, USA Email:

Keywords: Bias; Bioavailable iron (BAI); Coal mine dust (CMD); Coal rank; Coal workers pneumoconiosis (CWP); Exposure-response; Radiographic category

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