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Fluctuations of occupational exposure indices to mixtures

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008  940314e19920401gbr|||| | |00010|eng d
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040  ‎$a‎MAP‎$b‎spa
084  ‎$a‎872
1001 ‎$0‎MAPA20080137656‎$a‎Kumagai, Shinji
24510‎$a‎Fluctuations of occupational exposure indices to mixtures‎$c‎S. Kumagai and I. Matsunaga
520  ‎$a‎In workplaces, two or more hazardous substances are often used simultaneously. Daily average exposure to each can vary considerably from day to day, and thus indices (E mix) combining exposures to all substances used must vary in a more complex manner. In this study, we examined the between-days distributions of E mix using occupational data for five workers exposed to two or more organic solvents, and found E mix to be log-normally distributed. To describe the between days fluctuation of E mix, we propose a new model in which the causes of fluctuation were classified as a Specific Factor and a Common Factor. We also present a new method for estimating the distribution of E mix
65011‎$0‎MAPA20080585679‎$a‎Higiene industrial
65011‎$0‎MAPA20080605278‎$a‎Contaminantes químicos
65011‎$0‎MAPA20080625054‎$a‎Sustancias tóxicas y peligrosas
65011‎$0‎MAPA20080570484‎$a‎Riesgo laboral
65011‎$0‎MAPA20080560973‎$a‎Valores TLV
7001 ‎$0‎MAPA20080200244‎$a‎Matsunaga, Ichiro
7404 ‎$a‎The Annals of occupational hygiene
7730 ‎$t‎The Annals of occupational hygiene‎$d‎Oxford [etc.]‎$g‎nº 2, April 1992 ; p. 131-143