reports on defect tracking and other measurements at various levels of granularity are accumulated by tl 9000 compliant facilities of certified organizations by the university of texas at dallas, which is the official tl 9000 administrator. these reports are provided at no additional charge to tl 9000 member companies and for an additional fee to tl 9000 liaison members and non-members. generally, these measurement data permit a service provider to compare the defect rates among various equipment manufacturers and against each other.