All dispositions are timely, exceeding internal goals. There are no cases of nonconforming material being inadvertently mixed or confused with good material. Any rework performed on non confirming material is well documented and rework procedure is approved by customer prior to performing rework. There is evidence that world class results have been achieved. Performance is tracked and improvements are identified. Obsolete material is controlled to requirements and is properly purged. There is a well-defined and established control system with no exceptionsProducts with parameters that exceed statistical process control limits and/or nominal distribution are considered nonconforming.