Richardson Primary School's lead paint discovery prompts calls for audit, but Education Minister says affected schools are already known MonMonday 1 updated TueTuesday 2 FebFebruary 2021 at 7:22am Elevated levels of lead were found in ducts near the school hall at Richardson Primary School. ( Share Print text only Cancel Lead paint has been discovered in a fourth Canberra school in less than a year, but the ACT's Education Minister says a system-wide review of hazardous materials in schools is already underway. Key points: Lead contamination was found at Richardson Primary School over the summer break during routine maintenance The ACT Opposition has called for an audit across Canberra schools after four discoveries in the past year