Portable space heaters, defined as heaters that are not permanently mounted or installed, are not permitted in any room including offices if they are fueled with gasoline, kerosene or other flammable liquid. Centers may use other portable space heaters if they are allowed by local fire safety authorities or by local ordinance.
6 Pa. Code § 11.85
This section cited in 6 Pa. Code § 11.212 (relating to applicability).