When necessary to comply with the treatment requirements of this subchapter, the smokehouses, drying rooms, and other compartments used in the treatment of pork to destroy possible live trichinae shall be suitably equipped by the operator of the official establishment with accurate automatic recording thermometers. Veterinary Supervisors are authorized to approve for use in sausage smokehouses, drying rooms, and other compartments, such automatic recording thermometers as are found to give satisfactory service and to disapprove and require discontinuance of use any thermometers (including any automatic recording thermometers) of the establishment that are found to be inaccurate or unreliable.
7 Pa. Code § 1.335