Allidochlor, 100 µg/ml, Acetonitrile, 5ml

Guanylurea-HCl, 100µg/ml in MeOH, 5ml

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

2,3,3',5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,