Study on lead and arsenic poisoning status of workers at Thai Nguyen Color Metal Company

A description and analysis were realized to determine the intoxication of lead and arsenic in workers who were exposed to various enviromental factors in Thai Nguyen colored metallurgy factories. These workers had > 5 years old professional age in the field of exploiting and processing the metal. Study showed a high level of intoxication. The mean value of urine ALA oscillated in the range from 7.15 – 7.8 mg/l. There were 20-51 cases with pathological manifestation of lead and arsenic intoxication in the years 1998-2000.