Verifiable, measurable levels of service in terms of quantity, quality, timeliness, location, and work units. Performance standards are used in a performance-based PWS to (1) assess (i.e., inspect and accept) the work during a period of performance; (2) provide a common output-related basis for preparing private sector offers and public tenders; and (3) compare the offers and tenders to the PWS. The requiring activity's acceptable levels of service are normally stated in the PWS. The solicitation includes performance standards.