Coal Mine Dust Standards of the United States and Other Countries.
Schlick-DP; Morgis-GG; Booker-DB
NTIS: PB 206 150 :25 pages
This information circular presents a brief historical digest of the early attempts of the Bureau of Mines and the U.S. Public health service to establish coal mine dust exposure standards. It reviews current, accepted standards of the United States as well as available standards of other countries. (Out of print.)
IH; Information Circular;
NTIS Accession No.
NTIS: PB 206 150