N,N-Dimethylsulfamide, 100 µg/ml, Acetonitrile,

9-Carboxynonyl-7-carboxyheptyldimethyl ammonium bromide,neat,neat,10mg,

3,3,4-Trichlorobiphenyl (BZ-35)

Atrazine-desethyl-2-hydroxy, 100µg/ml in AL, 5ml