A comparison of techniques for assessing central tendency in left-censored data using PCB and p,p′DDE contaminant concentrations from Michigan’s Bald Eagle Biosentinel Program

Monitoring of contaminants in the environment is an important part of understanding the fate of ecosystems after a chemical insult. Frequently, such monitoring efforts result in datasets with observations below the detection limit (DL) that are reported as ‘non-detect’ or ‘