Effective risk communication on chemical exposures requires concentrations

In news stories on chemical exposures, reporters and researchers should be careful to specify concentrations and compare those concentrations to known safety limits rather than just detected vs. not detected. This report is early, a small sample size, and there is more work to be done, but being able to differentiate between concerns, emergencies, and interesting science is critical in risk communication. | https://www.cbsnews.com/pittsburgh/news/east-palestine-train-derailment-urine-samples/