Abstract
Abstract This article describes a study that was carried out at two electroplating shops to investigate the levels of personal exposure to inhalable nickel-containing aerosols and the impact of introducing new personal sampling instrumentation with performance consistent with the latest criteria proposed by the International Standards Organisation, the Comite Europeen Normalisation, and the American Conference of Governmental Industrial Hygienists (ACGIH). Experiments were carried out to investigate the effect of changing from the current widely used method for total aerosol (using the closed-face, 37-mm filter holder) to a new method for inhalable aerosol (using the IOM inhalable aerosol sampler). The results showed that measured inhalable aerosol exposures—for both overall aerosol and total nickel—were consistently and significantly higher than the corresponding measured total aerosol exposures. Weighted least-squares linear regression yielded biases for one company ranging from about 1.3 to 2.5 and for...
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