A vial enshrouded or contained in a protective covering which prevents emission of radiation form the vial contents, shielding the environment and personnel from irradiation. The vial optionally has a V-shaped bottom to allow withdrawal of a maximal amount of the fluid without inverting the vial. The vial is equipped with a vial access adapter having a fluid withdrawal spike which extends in to the V-shaped bottom. The vial access adapter may be vented or non-vented.