Hexachlorobutadiene, 1000µg/ml in Toluene, 1ml

Halosulfuron-methyl, 100 µg/ml, Acetonitrile, 5m

2,2',3,4,4'-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL,

Azobenzene, 500mg