Among the changes made to CEPA, Bill C-32 includes the provision to implement pollution prevention, new procedures for the investigation and assessment of substances and new requirements for toxicity assessments, new provisions respecting fuels, international air and water pollution, motor emissions, federal and aboriginal land protection, the proper disposal of wastes and other matters at sea and the safer export and import of waste.

Can we draw the following conclusion?
CEPA had no changes made 