Abstract:
:In order to assess the intake of lead and cadmium by consumers of home grown vegetables in urban areas, replicated experimental plots of uniform size, comprising summer and winter crops, were established in 94 gardens and allotments in nine towns and cities in England.The geometric mean lead and cadmium concentrations for the soils (n = 94) were 217 μg g(-1) (ranging from 27 to 1,676 μg g(-1)) and 0.53 μg g(-1) (<0.2-5.9 μg g(-1)), respectively. Compared with agricultural soils, the garden and allotment soils contained elevated levels of lead but not cadmium.Lead concentrations in the vegetables ranged from <0.25 μg g(-1) to 16.7 μg g(-1) dry weight and cadmium concentrations ranged from <0.025 μg g(-1) to 10.4 μg g(-1) dry weight. Lead concentrations were higher than reported "background" levels, although <1% exceeded the statutory limit for saleable food in the UK (1 μg g(-1) fresh weight). Cadmium concentrations were generally similar to "background" levels.
journal_name
Environ Geochem Healthjournal_title
Environmental geochemistry and healthauthors
Moir AM,Thornton Idoi
10.1007/BF01758660subject
Has Abstractpub_date
1989-12-01 00:00:00pages
113-9issue
3-4eissn
0269-4042issn
1573-2983journal_volume
11pub_type
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