Urea

3-Methylpentadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2882-96-4

Dibenz[a,h]anthracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 53-70-3

Aldrin, 10µg/ml in Acetonitrile, 10ml