Blood lead concentration and 6»aminolevulinic acid in urine were used as indicator for lead exposure among school children in an industrial area south of the peninsular Malaysia. A group of 1 00 Malay children which consist of 48 boys and 52 girb with the age range of 61/2 to 81/2 years from a primary school were selected as chiMren. Blood samples were collected and analyzed with Graphite Furnace Atomic Absorption Spectrophotometer. The urine 6-aminolevulinic acid concentrations were measured with UV/VIS Spectrophotometer. The mean blood lead was 3.75ug/dl. Based on the biological index, 76% of the children are in the “normal range" (