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CEL Data last UpdatedApril 6, 2020 8:20 PM Page last reviewedAugust 9, 2016 Page last updatedAugust 9, 2016 Content sourceNational Institute for Occupational Safety and Health (NIOSH)

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Results from the above tests can be used to estimate the precision and bias of the method under evaluation in order to obtain a measure of method accuracy [].For NIOSH methods, the bias (uncorrected) cannot exceed ±10% and, to satisfy the NIOSH criterion for method accuracy (A 95), the method must provide results that are within ±25% of the expected (true) values at least 95 times out

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Results from the above tests can be used to estimate the precision and bias of the method under evaluation in order to obtain a measure of method accuracy [].For NIOSH methods, the bias (uncorrected) cannot exceed ±10% and, to satisfy the NIOSH criterion for method accuracy (A 95), the method must provide results that are within ±25% of the expected (true) values at least 95 times out

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