Section 1: In these Regulations unless the context otherwise requires–

“backfill” means the placing of material (including waste rock) into excavated portion of mine working; “clean rock” means rock or overburden that does not require regulatory control and can be considered a resource for construction purposes or other net benefit; “clearance” means the removal of radioactive material or radioactive objects within authorized practices from any further control by the Board; “community” means those people living in the area which the activity may affect or which may generate concern regarding health, environment, economic, or cultural and social issues; STATUTORY INSTRUMENT Supplement to the Sierra Leone Gazette Vol. CXLIV, No. 11 dated 7th March, 2013 Short title. I n t e r p r e t a - tion “decommissioning” means all steps leading to the release of a facility, other than a disposal facility, from regulatory control other than confirming the decommissioned status of a facility including the processes of decontamination, dismantling and site rehabiltation; “discharges” means planned and controlled releases into the environment, as a legitimate practice, within limits authorized by the Board of liquid or gaseous material that originates from regulated facilities during normal operation; “disposal” means the emplacement of waste in an approppriate facility without the intention of retrieval; “environmental values” means those aspects of the ecosystem in which worth is placed by the community or society because of their biodiversity, aesthetic attributes, use for recreation or use as a resource; “exemption” means the determination by the Board that a source or practice need not be subject to some or all aspect of regulatory control on the basis that the exposure (including potential exposure) due to the source or practice is too small to warrant the application of those aspects or, that this is the optimum option for protection irrespective of the actual level of doses or risks; “hazardous substance” means a substance other than a radioactive substance that is used or produced in the course of carrying on a licensed activity and that may pose a risk to the environment or the health and saftety of people; “in situ recovery” means operations to extract uranium by means of chemical dissolution and liquid pumping systems without physically disturbing the ore body; intrusive exploration” means mechanized sampling of the surface and subsurface geological structures for the purpose of bulk sampling, by drilling, trenching or coring or underground mining operations, and requires surface access to the potential uranium mineralized target area including pilot or development testing; “ionizing radiation” for the purpose of radiation protection, means radiation capable of producing ion pairs in biological materials; “licence” means a legal document issued by the Board granting authorization to perform specified activities related to a facility or activity;