Search U.S. government technical reports digitized or harvested by TRAIL.
Use of ethyl mercaptan to detect leaks in natural-gas distribution systems
Microcolorimetric determination of benzene in blood and urine
A microcolorimetric method for the determination of toluene
Selection, use, and maintenance of respiratory protective devices
Determination of sulfur dioxide in air by means of the midget impinger
The use of dust respirators in coal mines
List of respiratory protective devices approved by the Bureau of Mines
Bureau of Mines approval system for respiratory protective devices
List of respiratory protective devices approved by the Bureau of Mines
Bureau of Mines approval system for respiratory protective devices :(revision of I.C. 7600)