Blood samples taken from children living near illegal lead battery smelters in Greater Jakarta show an average blood lead level almost four times higher than acceptable, according to a report...The children’s high blood lead levels might damage their nervous system. Studies showed that the damage could affect the children’s learning capability and behavior...The KPPB [Committee for the Phase Out of Leaded Gasolin] said that the lead batteries typically came from illegally imported used cars; from households, commercial areas and workshops and from illegally dumped waste...The KPPB said an analysis of the soil near 33 alleged illegal lead smelters showed lead concentrations that exceeded 225,000 parts per million (ppm) – far higher than the acceptable level of 400 ppm.