Words similar to nondetects

Example sentences for: nondetects

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The limits of detection for the individual PCB congeners assessed and the percentage of nondetects for samples analyzed at both the Wisconsin State Laboratory of Hygiene and the Michigan Department of Community Health Laboratory are shown in tables 1and 2, respectively.
In our sample, this imputation procedure resulted in total PCB concentrations that were only marginally greater than those obtained if all nondetects were assigned 0. The mean PCB concentrations by exposure category are shown in table 3for both the sum using imputed values for nondetects and the sum with nondetects assigned 0. The limit of detection for DDE in the Wisconsin State Laboratory of Hygiene was 0.25 ng/mL.