Reduction of accidental spillage risks (EN Actions to improve substation for the prevention of ground contamination: activities scheduled for 18 power machines; 16 auxiliary machines; 8 fuel tanks; 5 machines with leaks; 9 on ground cleaning; 19 on storage and waste and equipment management; 2 on adequateness of the waste storage area and 7 on compressors Emission control improvement (EN18) Improvement in the integral management of SF6.