2017 33.99 18.98 75.01 26.40 2018 0.00 39.98 11.35 22.71 amounts confirmed expectations, with concentrations comfortably within regulatory limits; ◼ continuation of internal audits to verify the correct implementation of and compliance with Fire Prevention Standards in the spaces allocated to commercial retail operators (shops and depots) located inside the Linate and Malpensa terminals, already defined by SEA in its Fire Prevention Regulations, to which spe cific audits were also added and carried out in the common use areas present in the terminals, whose management is undertaken by SEA. ◼ implementation in the 2 corporate airports of 20 Emergency and Evacuation Plan drills, in addition to alarm and fire detection drills, involving the Emergency Management Staff (AGE) as well as employees from the various relevant buildings.