ISO 23868:2008 specifies test methods to determine the quality of data on recorded media and provides specifications enabling end-user organizations to monitor data quality and ongoing conformance with the error limits required for its class identified by the manufacturer of the drive/media. ISO 23868:2008 defines error rate monitoring capabilities and procedures associated with 130 mm optical media while being used in a production environment to ensure that data is still readable throughout the expected life of the media.