South Carolina Code of Regulations › Chapter 61 - DEPARTMENT OF HEALTH AND ENVIRONMENTAL CONTROL › Subchapter 61-63 - Radioactive Materials (Title A) › Part VIII - SPECIAL REQUIREMENTS FOR WELL LOGGING OPERATIONS › Section 61-63.VIII.RHA 8.3 - Definitions

Current through Register Vol. 48, No. 6, June 28, 2024
As used in this Part:
8.3.1 "Energy compensation source" (ECS) means a
				small sealed source, with an activity not exceeding 100 microcuries (3.7 MBq), used
				within a logging tool, or other tool components, to provide a reference standard to
				maintain the tool's calibration when in use.
8.3.2 "Field station" means a facility where
				radioactive material may be stored or used and from which equipment is dispatched to
				temporary jobsites.
8.3.3 "Fresh water
				aquifer", for the purpose of this Part, means a geologic formation that is capable
				of yielding fresh water to a well or spring.
8.3.4 "Injection tool" means a device used for
				controlled subsurface injection of radioactive tracer material.
8.3.5 "Irretrievable well logging source" means
				any sealed source containing radioactive material that is pulled off or not
				connected to the wireline that suspends the source in the well and for which all
				reasonable effort at recovery has been expended.
8.3.6 "Logging assistant" means any individual
				who, under the personal supervision of a logging supervisor, handles sealed sources
				or tracers that are not in logging tools or shipping containers or who performs
				surveys required by
				RHA
				8.22.
8.3.7
				"Logging supervisor" means an individual who uses radioactive material or provides
				personal supervision in the use of radioactive material at a temporary jobsite and
				who is responsible to the licensee for assuring compliance with the requirements of
				the Department's regulations and the conditions of the license.
8.3.8 "Logging tool" means a device used
				subsurface to perform well logging.
8.3.9 "Personal supervision" means guidance and
				instruction by a logging supervisor, who is physically present at a temporary
				jobsite, who is in personal contact with logging assistants, and who can give
				immediate assistance.
8.3.10
				"Radioactive marker" means radioactive material used for depth determination or
				direction orientation. For purposes of this Part, this term includes radioactive
				collar markers and radioactive iron nails.
8.3.11 "Safety review" means a periodic review
				provided by the licensee for its employees on radiation safety aspects of well
				logging. The review may include, as appropriate, the results of internal
				inspections, new procedures or equipment, accidents or errors that have been
				observed, and opportunities for employees to ask safety questions.
8.3.12 "Sealed source" means any radioactive
				material that is encased in a capsule designed to prevent leakage or escape of the
				radioactive material.
8.3.13 "Source
				holder" means a housing or assembly into which a sealed source is placed to
				facilitate the handling and use of the source in well logging.
8.3.14 "Subsurface tracer study" means the release
				of unsealed radioactive material or a substance labeled with radioactive material in
				a single well for the purpose of tracing the movement or position of the material or
				substance in the well or adjacent formation.
8.3.15 "Surface casing for protecting fresh water
				aquifers" means a pipe or tube used as a lining in a well to isolate fresh water
				aquifers from the well.
8.3.16
				"Temporary jobsite" means a place where radioactive materials are present for the
				purpose of performing well logging or subsurface tracer studies.
8.3.17 "Tritium neutron generator target source"
				means a tritium source used within a neutron generator tube to produce neutrons for
				use in well logging applications.
8.3.18
				"Uranium sinker bar" means a weight containing depleted uranium used to pull a
				logging tool toward the bottom of a well.
8.3.19 "Well" means a drilled hole in which well
				logging may be performed. As used in this Part, "well" includes drilled holes for
				the purpose of oil, gas, mineral, groundwater, or geological exploration.
8.3.20 "Well logging" means, unless otherwise
				specified, all operations involving the lowering and raising of measuring devices or
				tools which contain radioactive material or are used to detect radioactive material
				in wells for the purpose of obtaining information about the well or adjacent
				formations which may be used in oil, gas, mineral, groundwater, or geological
				exploration.