The determination of free silica in airborne dust collected on membrane filters /

Bibliographic Details

Main Author:	Thatcher, John W.
Corporate Author:	United States. Mining Enforcement and Safety Administration
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Dept. of the Interior, Mining Enforcement and Safety Administration, 1975.
Series:	Informational report (United States. Mining Enforcement and Safety Administration) ; IR1021.
Subjects:	Silica. Dust. Air filters.