The whole-blood lead levels of a group of motor mechanics in the Cape Peninsula were determined. Blood was analysed using a graphite furnace atomic absorption spectrometer. The mean whole-blood lead levels of the motor mechanics and of urban controls were 28,4 micrograms/dl and 9,7 micrograms/dl respectively, and comparison of these with that of a group from an unpolluted rural area (3,4 microg...
