'dust level' is a correct phrase that can be used in written English.
For example, you could say, "The dust level in the office was extremely high."
Experts including the federal National Institute for Occupational Safety and Health have long said that the allowable dust level should be cut in half -- from the current standard of no more than two milligrams for each cubic meter of air -- to reduce black-lung deaths.
"HIDDEN RIVER" (Argentina), directed by Mercedes Garcia Guevara, 2 30 p.m. "IDLE RUNNING" (Slovenia), directed by Janez Burger, preceded by "HELL HOUSE" (United States), directed by Dewey Nicks, 5 p.m. "SUZHOU RIVER" (China/Germany, 2000), Lou Ye, 8 p.m. "ADRENALINE DRIVE" AND "ABOVE THE DUST LEVEL," 10 30 p.m. Sunday "SUZHOU RIVER," noon.
Shown with a nine-minute short, Carla Drago's "Above the Dust Level," tonight at 9 and tomorrow night at 10 30 at the Roy and Niuta Titus Theater, Museum of Modern Art, 11 West 53rd Street, Manhattan, as part of the 29th New Directors/ New Films series of the Film Society of Lincoln Center and Department of Film of The Museum of Modern Art.
The results show that at some specific underground conditions, the ventilation air velocity of 0.15 m/s is sufficient to control the dust level, provide required oxygen concentration and maintain the air temperature at acceptable levels during development; however, it is not sufficient to bring the CO concentration below an acceptable safe limit.
Under the new regulations, miners will be equipped with a personal dust monitor that provides real-time readings of a mine's coal dust level.
The new regulations also mandate the use of a personal dust monitor, a device that provides real-time readings of a mine's coal dust level.
Currently, mine operators are responsible for sampling dust levels.
And dust levels are even higher in other popular solar sites across the Middle East, Australia and India.
Ammonia concentrations, dust levels and particulate matter emissions were higher in aviaries than in conventional battery-cage systems.
The officials also said they would require automatic misting systems to keep dust levels down during processing.
Sensors monitor dust levels on the panel's surface, energizing the coating when dirt concentration reaches a critical level.
