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# 1910.1018(e)(6) Accuracy of Measurement

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1910.1018(e)(6)(i)

The employer shall use a method of monitoring and measurement which has an accuracy (with a confidence level of 95 percent) of not less than plus or minus 25 percent for concentrations of inorganic arsenic greater than or equal to 10 µg/m

^{3}.1910.1018(e)(6)(ii)

The employer shall use a method of monitoring and measurement which has an accuracy (with confidence level of 95 percent) of not less than plus or minus 35 percent for concentrations of inorganic arsenic greater than 5 µg/m

^{3}but less than 10 µg/m^{3}.### Related Code Sections

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The employer shall use a method of monitoring and

*measurement*which has an*accuracy*(with a confidence level of 95%) of not less than plus or minus ...