Test package for monitoring the effectiveness of a sterilization process

A test package sterilization (10), comprising: a base (12) comprising a pair of sale compartments (14, 16), wherein the recessed compartments are arranged in non-concentric relationship and are in fluid communication between other through an internal channel (18); a cover (22) fixed to the base (12) and forming a sealed compartment for housing sale; an external channel (20) provides the only fluid communication between the sealed housing (14) and an external environment; a sterilization indicator in a first lowered compartment (14); and a chemical and / integrator or a chemical indicator in a second compartment lowered (16), wherein said outer channel (20) is configured to permit only a restricted flow of a gaseous sterilization medium within the recessed compartments and base (12) and cover (22) can not penetrate otherwise by the gaseous sterilization medium, and wherein said external channel (20) is in fluid communication only with one of the recessed compartments and is in fluid communication with another compartments sale only through the internal channel (18).