Concentrations of aluminium, arsenic, cadmium, chromium, copper, lead, mercury, nickel, selenium, tin and zinc were determined in samples from the 1997 UK Total Diet Study and used to estimate dietary exposures of the general UK population. Population average dietary exposures to aluminium (3.4 mg/day), arsenic (0.065 mg/day), cadmium (0.012 mg/day), chromium (0.10 mg/day), copper (1.2 mg/day), mercury (0.003 mg/day), nickel (0.13 mg/day), tin (1.8 mg/day) and zinc (8.4 mg/day) are similar to those from previous UK Total Diet Studies and are below the appropriate PTWIs, PMTDIs and TDIs. Dietary exposure of the UK population (0.026 mg/day) to lead is falling as a result of measures taken to reduce lead contamination of the environment and food and is well below the PTWI. There has been little change in UK estimates of selenium exposure since the 1994 Total Diet Study but current-estimates (0.039 mg/day) are lower than those derived from earlier Total Diet Studies.
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