2,4’-DDE, 1000µg/ml in Hexane, 1ml

Hexachloro-1,3-butadiene, 100µg/ml in CYyclohexane, 1ml

Dibenz[a,j]anthracene, 10µg/mL in Acetonitrile, 10ml

4,4'-Dihydroxydiphenylmethane, 1.2ml x 50ug/ml, methanol