Autocorrelation of short-term and daily average exposure levels in workplaces

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<title>Autocorrelation of short-term and daily average exposure levels in workplaces</title>
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<title>American Industrial Hygiene Association journal</title>
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<namePart>Kumagai, Shinji</namePart>
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<namePart>Matsunaga, Ichiro</namePart>
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<namePart>Kusaka, Yukinori</namePart>
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<abstract displayLabel="Summary">Based on workplace exposure data for 16 worker-chemical combinations, the degree of autocorrelation in a series of short-term time-weighted average (TWA) exposure concentrations (7.5-min, 15min. and 60-min TWAs) was investigated. For 7.5-min and 15-min TWAs, consecutive values generally exhibited no correlation or positive correlation, but not negative correlation. The authors discuss a sampling strategy that, on average, would minimize the degree of correlation between measurements of short-term TWAs</abstract>
<note type="statement of responsibility">Shinji Kumagai, Ichiro Matsunaga, Yukinori Kusaka</note>
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<topic>Higiene industrial</topic>
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<topic>Contaminantes químicos</topic>
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<topic>Riesgo químico</topic>
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<topic>Muestreos</topic>
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<topic>Ecuaciones matemáticas</topic>
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<topic>Métodos de análisis</topic>
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<title>American Industrial Hygiene Association journal</title>
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<publisher>Fairfax, Virginia</publisher>
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<text>Vol. 54, nº 7, July 1993 ; p. 341-350</text>
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