ARTICLE 20

20.1. The port shall accept only the ships, having closed sewage system with operation biologocal cleaning of sewerage waters.

20.2. Disposal of sewerage and bilge waters within the port water area is prohibited. Prior to sailing out the ships shall dispose sewerage waters to special port's craft.

20.3. No scavenging of exhaust pipes is allowed within the port water area, neither pollution of air by excessive smoking.