A laboratory shall establish and maintain a written quality manual appropriate to the scope of its activities. At a minimum, the quality manual shall document the laboratory's policies, systems, programs, procedures and instructions in sufficient detail and clarity to allow the history of each sample and associated data to be readily understood. The quality manual shall include or make reference to the laboratory's supporting procedures, including technical procedures, and shall outline the structure of the documentation used in the management system.
Okla. Admin. Code § 252:307-9-42