East St. Louis Action Research Project
University of Illinois at Urbana-Champaign

Maximum acceptable concentrations

Table 3: Proposed ranges for maximum acceptable concentrations of trace elements in agricultural soils as given by various authors (extracted from Kabata-Pendias, 1992)

Element...............Concentration range (ppm)

Cadmium (Cd)..............1-3
Lead (Pb).........................100-500
Zinc (Zn).........................100-300

Document author(s) : LA 437/465 Fall 1995
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