2. Stop the Leak: Take whatever measures are necessary to stop the leak and prevent migration of any free product into the environment.
3. Mitigate Fire & Explosion: Identify, mitigate and monitor any fire and/or explosion hazards that can result from the release, such as vapors inside buildings, or the presence of free product.
4. Address Contamination: Investigate the extent of contamination, and undertake the necessary corrective and mitigation actions.