As the Western Lake Superior Sanitary District works to better understand PFAS, a survey of its biggest wastewater users found that the chemicals are not in heavy use at those places.
University of Minnesota Duluth researcher Richard Melvin seems to be doing the exact opposite of what he should be doing to obtain uncontaminated water samples from beach areas along Park Point (“ Researchers detect virus that causes COVID-19 at four Duluth beaches this month,” Sept. 28).