Lake Michigan fish tissue -Org. contaminants, 5x8g

9H-Perfluorononanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 76-21-1

4-Chlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 106-48-9

Guanin, 25g