# Mirex.csv
# actual data from Makarewicz, J.C., E.Damaske, T.W. Lewis, and M. Merner.  2003.  Trend analysis reveals a recent 
#   reduction in mirex concentrations in coho (Oncorhynchus kistuch) and chinook (O. tshawytscha) salmon from Lake 
#   Ontario.  Environmental Science and Technology, 37:1521-1527.
# year: year of sample
# mirex: concentration of mirex in tissue (mg/kg)
# weight: body weight of fish (kg)
# species: species of fish (coho or chinook)