| Literature DB >> 1251797 |
Abstract
A method is described for calculating confidence intervals for particle or fiber concentration, and for dust collector penetration. The span of the interval depends upon the value of fiber concentration or collector penetration reported and upon the number of particles or fibres counted.Mesh：
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Year: 1976 PMID： 1251797 DOI： 10.1080/0002889768507419
Source DB: PubMed Journal: Am Ind Hyg Assoc J ISSN： 0002-8894