Lake Michigan fish tissue -Org. contaminants, 5x8g

4-tert-Octylphenol 5EO, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Atrazine-desethyl-2-hydroxy, 100 µg/ml, 2-Methoxy

Parathion ethyl