Isoproturon-desmethyl, 100 µg/ml, Acetonitrile, 1ml

2,2',3,4,4',5,5'-Heptabromobiphenyl, 1.2ml x 50ug/ml, nonane

2,4-Dinitrophenol

Diphenyl isopropylphenyl phosphate, techn. isomer mixture,100 µg/mL,isooctane,1mL,