Epidemic out brake of lead poisonning at Samae-Dum.

There have been sporadic outbrakes of lead poisoning in Thailand since 1952. An incidence of lead poisoning was found in 1986 among the population working in plastic recycling. An epidemiological survey was performed by a group of researchers, who analysed lead in different parts of the environment including-drinking water, soil and used plastic granules which all showed increases above normal levels. A total of 29 residents living in the area were studied for necessary lead intoxication parameter.