The Quebec government has ordered two Pointe-Claire companies to rehabilitate land contaminated by PCBs.

Quebec Environment Minister David Heurtel also ordered Reliance Power Equipment and Juste Investir to study neighbouring lands and take corrective measures if necessary.

The two companies must also conduct follow-up tests of the underground water at the land on Hymus Boulevard.

The ministry has given them 10 days to respond followed by 30 days to submit a decontamination plan.

PCBs detected in Pointe-Claire's drainage system were traced to leaking transformers and containers at the industrial site in 2014.