Atrazine-2-hydroxy-d5 (ethyl-d5),100 µg/mL,acetonitrile,1mL,

Benzo[b]fluoranthene, 10.0 µg/ml, Acetonitrile,

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

Dibenzo[a,k]fluoranthene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 84030-79-5