μg/l= Micrograms per Liter; μg/g= Micrograms per Gram. Adjusting for creatinine results in means (both geometric and arithmetic) that are lower than if using the concentration of the PNP biomarker in urine (μg/L) alone. Limit of Detection (LOD) for PNP in sample was 0.1μg/L.
Figure 4: Comparison of Means for 3-Phenoxybenzoic Acid.