Residues of quintozene, hexachlorobenzene, dichloran and pentachloroaniline in soil and lettuce.

The results are described of the residue determination of quintozene, hexachlorobenzene, dichloran and pentachloroaniline in soil and lettuce after application of different quantities of quintozene just before and two weeks after planting. The results indicate that quintozene, hexachlorobenzene and dichloran are readily taken up by lettuce from the soil and that quintozene is metabolised to pentachloroaniline resulting in residues of these compounds in lettuce.