Search U.S. government technical reports digitized or harvested by TRAIL.
A spiral sequential sampler for air and liquids :preliminary results
Three coal mine ventilation studies using sulfur hexafluoride tracer gas
Brattice window method for measuring leakage through mine stoppings
Methane accumulations in coal mine roof cavities
Face ventilation measurement with sulfur hexafluoride (SF₆)
SF₆ tracer gas tests of bagging-machine hood enclosures
Effects of humidity on salt mine dust :a preliminary report
Effectiveness of three water spray methods used to control dust during bagging
The Effect of water vapor and water droplets on the RAM-1 :(preliminary results)
Airflow evaluations of four-flow-controlled personal sampling pumps
Evaluation of TEOM dust monitor
Performance evaluation of two light-scattering dust monitors