3,4-Dimethylphenanthrene , 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 66291-31-4

Terbufos, 100 µg/ml, Acetonitrile, 1ml

n-Hexyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. NA 1083-27-8 for unlabelled

Benzo[a]pyrene-d12,400µg/mL,cyclohexane,1mL,