(a) An application for accreditation shall be made on a form provided by the executive director. The application must be submitted to the executive director with any documents and records required in the application or requested by the executive director and the fee provided in §25.30 of this title (relating to Accreditation Fees).(b) The operator of an environmental testing laboratory may request that noncontiguous facilities and mobile laboratories be accredited as a single entity, if the facilities and mobile laboratories operate as a single laboratory under the same:(1) ownership;(2) day-to-day management;(3) day-to-day technical direction; and(4) quality system, including document management, records management, and test reporting.(c) The operator of an environmental testing laboratory may submit an application for initial accreditation or an application to increase its fields of accreditation at any time.