Pyridaphenthion, 100 µg/ml, Ethyl acetate, 5ml

ASTM Benzene Amp#4

3,4,4',5-Tetrachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 70362-50-4

8-Bromo-1-naphthoic acid, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 1729-99-3