{"data":{"id":"us/10-cfr-39.69","jurisdiction":"us","citation":"10 CFR 39.69","heading":"Radioactive contamination control.","body":"(a) If the licensee detects evidence that a sealed source has ruptured or licensed materials have caused contamination, the licensee shall initiate immediately the emergency procedures required by § 39.63.\n(b) If contamination results from the use of licensed material in well logging, the licensee shall decontaminate all work areas, equipment, and unrestricted areas.\n(c) During efforts to recover a sealed source lodged in the well, the licensee shall continuously monitor, with an appropriate radiation detection instrument or a logging tool with a radiation detector, the circulating fluids from the well, if any, to check for contamination resulting from damage to the sealed source.","path":["Title 10—Energy","CHAPTER I—NUCLEAR REGULATORY COMMISSION","PART 39—LICENSES AND RADIATION SAFETY REQUIREMENTS FOR WELL LOGGING","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":"e4f99686b0e0ff9998f5be1c7dbb631f612fc5aabbc002f4f6f42432d84411a3","source_id":"us-cfr","stale":true,"prev":"us/10-cfr-39.67","next":"us/10-cfr-39.71"},"notice":"GroundRules: Original legal text. Not legal advice."}