Coal Dust Sampling Cassettes

Keystone Coal Mining V Sol Msha 94040857

ii. the mine-specific trial sampling and awcs handling OF dust pumps and cassettes AT urling the esd dust lab the respirable dust sampling program for urling, as well as for all & mines, has been conducted by & Ps environmental safety department under the supervision of donald eget since 1970.coal dust sampling cassettes, non regulated use zefons preweighed coal dust sampling cassettes consist of a sealed outer plastic capsule and an inner pre-weighed filter capsule. the inner capsule contains a mixtures of known coal and limestone dust masses were prepared in the laboratory, loaded into the stainless steel cassettes, and analyzed to assess the accuracy of this method. coal dust mass measurements differed from predicted values by an average of 0.5%, 0.2%, and 0.1 for samples containing 20%, 91%, and 95% limestone dust, respectively.filter and mine data cardcoal dust sampling general-purpose cassette general-purpose cassette the general-purpose cassette is a sample cassette that can be used for silica sampling. this cassette can also be used for all airborne particulate collection not limited to quartz or silica. this cassette is individually packaged in a sealed plastic bag.