{"data":{"id":"us/10-cfr-34.51","jurisdiction":"us","citation":"10 CFR 34.51","heading":"Surveillance.","body":"During each radiographic operation the radiographer, or the other individual present, as required by § 34.41, shall maintain continuous direct visual surveillance of the operation to protect against unauthorized entry into a high radiation area, as defined in 10 CFR part 20 of this chapter, except at permanent radiographic installations where all entryways are locked and the requirements of § 34.33 are met.","path":["Title 10—Energy","CHAPTER I—NUCLEAR REGULATORY COMMISSION","PART 34—LICENSES FOR INDUSTRIAL RADIOGRAPHY AND RADIATION SAFETY REQUIREMENTS FOR INDUSTRIAL RADIOGRAPHIC OPERATIONS","Subpart D—Radiation Safety Requirements"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-10.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:09Z","sha256":"c7f3a04a7bdfe6951eb1fed2ef28db7c5f37fbbe9064870b605e705a02b23d9d","source_id":"us-cfr","stale":true,"prev":"us/10-cfr-34.49","next":"us/10-cfr-34.53"},"notice":"GroundRules: Original legal text. Not legal advice."}