4. Implement prevention and treatment measures

4.1 Pollution prevention measures applicable to ICPEs

• Resistance to chemical action, watertightness of pipes, tanks and reservoirs.

• Restrictions on underground tanks and pipes: preference for overhead systems, special requirements for underground systems.

• Limiting stocks of hazardous products.

• Chemical storage and waste disposal areas must be contained and, if possible, covered to prevent pollution from rainwater runoff.

• Protection of loading and unloading areas for hazardous materials.

• Recovery of fire extinguishing water and accidental water spills.

• Protection...