(a) An application for certification must 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 §25.70 of this title (relating to Certification Fees).(b) The operator of an environmental testing laboratory may request that noncontiguous facilities be certified as a single entity if the facilities 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 certification or an application to increase its fields of certification at any time.