Internal Standard Solution, 1.2ml, toluene

Benzo[e]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 205440-82-0

3-Chloro-1,2-propandiol-dierucidate

Fenthion-sulfoxide, 100 µg/ml, Acetonitrile, 5ml