delta-HCH, 100 µg/ml, Ethyl acetate, 5ml

Estriol, 10 µg/ml, Acetonitrile, 10ml

O,O,O-Triphenyl phosphorothionate,1000 µg/mL ,MeOH,1mL,

Chrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 218-01-9