respirable dust वाक्य
उदाहरण वाक्य
मोबाइल
- Venturi scrubbers achieve very high collection efficiencies for respirable dust.
- Nuisance, inhalable and respirable dust fractions are all sampled using a constant volumetric pump for a specific sampling period.
- The respirable dust fraction is dust that enters the'deep lung'and is considered to be less than 10 micrometers AED.
- From such samples the amount of inhalable or respirable dust can be determined and compared to the relevant occupational exposure limits.
- Mine Safety Appliances in Pittsburgh won a $ 1.5 million contract from the Mine Safety & Health Administration in Denver, Colo ., for respirable dust filter assemblies.
- Pre weighted filter and matched weight filters made from polyvinyl chloride or mixed cellulose ester are suitable for respirable dust ( less than 10 micrometers in diameter ).
- Silicosis is due to deposition of fine respirable dust ( less than 10 micrometers in diameter ) containing crystalline silicon dioxide in the form of alpha-quartz, cristobalite, or tridymite.
- Mine Safety Appliances in Pittsburgh won a $ 1 . 5 million contract from the Mine Safety & AMP; Health Administration in Denver, Colo ., for respirable dust filter assemblies.
- British Coal failed to take all reasonable steps to minimize the creation and dispersion of respirable dust . . . from about 1949 to 1970 and to a lesser extent thereafter,
- Improvements were made in mine-workers'pensions, while the Coal Mines ( Respirable Dust ) Regulations 1975, which came into operation in October that year, were aimed at reducing the incidence of coal miners'pneumoconiosis.
- A substantial advance was achieved with the measurement of exposure by weighing the dust collected by MRE 113a respirable dust samplers, which were invented specifically for the research by Henry Walton and Robert Hamilton.
- They prescribed permitted amounts of respirable dust at workplaces in coal mines as well as arrangements for the suppression and continuous sampling of dust, and they include a scheme for the medical supervision of workers at risk.
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