The Object Includes: • The Collection At The Aca Headquarters Or Other Points In The Refrigerated Fridges Containing The Plastic And Glass Containers Filled With Water Samples, And Their Transport And Delivery The Next Day To The Aca Laboratory Located In The Municipality Of Abrera. This Transport Will Be Considered Fragile Material; The Transport Of These Refrigerated Refrigerators Must Be Done Under The Conditions That Guarantee The Optimum Conservation Of The Samples Deposited In The Fridges. • The Collection Of The Aca Laboratory Refrigerators Located In The Municipality Of Abrera And Its Transport And Delivery The Next Day To The Aca Headquarters Or Other Points. These Fridges Will Be Filled With Empty Plastic And Glass Containers. This Transport Will Be Considered Fragile Material And Will Not Need To Be Performed With Refrigerated Fridges.