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Table 2 PTWI of As and Cd considering the recommended legumes and cereal per capita consumption (30 g/day)

From: Arsenic and cadmium concentrations in legumes and cereals grown in the North Central Province, Sri Lanka and assessment of their health risk

Metal PTWI (expressed as % of PTWI or TWI) Established PTWI Established TWI
Male Female
As 1.1 1.3 15
Cd (PTWI) 0.9 1.1 7
Cd (TWI) 2.7 3.0 2.5