Herbicides arsenic-containing, exposure

Blood levels decrease within a few hours. They do not lend themselves to the detection of chronic exposure [29,58,73]. But during spraying season the blood levels of workers who applied arsenic herbicides were significantly elevated [60]. Increased serum contents of 78-180 p.g/liter of Indian opium eaters are exotic [88]. More information is available from hair. Children living near a coal power plant showed a mean level of 3260 (ig As/kg in comparison to unexposed children with 152 p.g/kg [15]. Similar results were evoked by smelter emission high exposure led to 182600 p,g As/kg low exposure to 8900 p-g/kg [78], 5500 p.g/kg [18] or 2600 p.g/kg [13]. Significantly lower are the concentrations caused by arsenic in well water (450-1240 p.g/kg) [31,80,89]. Nails also contain remarkably high contents of arsenic compared with normal levels 21100-72800 p,g As/kg in smelter workers [78] and 4550 p.g/kg in persons exposed to arsenic well water [31],... 

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