On July 6, 2023, a CNL worker observed a spill of biodegradable hydraulic oil from a crane involved in PHAI work in the Port Hope Harbour. Less than 1.0 litre of biodegradable fluid is estimated to have spilled in the harbour. Upon detection, workers immediately placed absorbent pads around the oil and it was successfully recovered.
The biodegradable oil posed no hazard to the environment, and at no time was there a risk to the safety of workers or the public. CNL notified the appropriate regulatory agencies, including the Ontario Spills Action Centre and the Canadian Nuclear Safety Commission, as well as the Municipality of Port Hope.