| polycyclic aromatic hydrocarbons in fish and crayfish from the calumet region of southwestern lake michigan. | we identified and quantified polyaromatic hydrocarbons (pahs) in six aquatic taxa from the calumet region of southwestern lake michigan in order to examine their differential exposure to and health risks from pah. there was a high degree of variation in pah concentrations across and within sites. mean concentrations of total pah were high in alewife (1,064 ng/g) and minnows (345 ng/g) collected from the indiana ship canal, when compared to other taxa and locations. concentrations of pah in sunfi ... | 2011 | 21594573 |