A sterilization test pack including a base comprising a pair of recessed compartments wherein the recessed compartments are arranged in a non concentric relationship and are in fluid communication with each other a cover attached to the base and forming a sealed enclosure for the recessed compartments an external channel providing the only fluid communication between the sealed enclosure and an external environment a selected sterilization indicator in a first of the recessed compartments and a chemical integrator and/or a chemical indicator in a second of the recessed compartments in which the external channel is configured to allow only restricted flow of a gaseous sterilization medium into the recessed compartments and the base and cover are otherwise impenetrable by the gaseous sterilization medium.
