Lake Michigan fish tissue -Org. contaminants, 5x8g

2,3,4,5-Tetramethylthiophene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 14503-51-6

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 10µg/mL in Isooctane, 1ml

1,2,4-Trimethylphenanthrene, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 23189-64-2