Gl25002_O3623- Open Procedure For The Assignment Of The Works Aimed At Restarting, In The Current Configuration, Of The Hydraulic Barrier Present In The Former Lombard Oil Area Of Villasanta (Mb) - Intervention Financed By Pnrr: Mission M2 Component C4, Investment 3.4. Reclamation Of The "Soil Of Orphaned Sites" Of The National Recovery And Resilience Plan