Assessment of health risks due to hazardous air pollutant emissions from electric utilities

Drug and Chemical Toxicology
C FrenchC Nelson

Abstract

Hazardous air pollutant (HAP) emissions from electric utilities were evaluated. Cancer risks, as well as noncancer effects, due to inhalation exposure were assessed for 67 HAPs. Also, cancer risks due to multipathway exposure to radionuclide emissions were assessed. In addition, an assessment of the fate of mercury (Hg) through various environmental media was included. Results suggest arsenic, chromium, and nickel are the HAPs that present the highest cancer risk due to inhalation exposure. For noncancer effects due to inhalation exposure, hydrogen chloride appears to present the greatest potential concern. The risks due to multipathway exposure to radionuclides are estimated to be of similar magnitude to the risks posed by inhalation of arsenic and nickel. Mercury is of potential concern for multipathway exposures because it persists in the environmental and bioaccumulates in the aquatic food web. The study suggests there is a plausible link between Hg emissions from utilities and the Hg found in soil, water, and freshwater fish.

Citations

Aug 10, 2013·Journal of the Air & Waste Management Association·Constance L SeniorThomas A Lewandowski
Apr 6, 1999·Drug and Chemical Toxicology·G RiceB Lyon
Jul 12, 2003·Journal of Occupational and Environmental Medicine·Martin RöösliCharlotte Braun-Fahrländer
Jun 1, 2012·Air Quality, Atmosphere, & Health·Marie S O'NeillMark J Utell
Apr 13, 2021·Ecotoxicology and Environmental Safety·Rehab HegazyDalia Saleh

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