BOH Agenda 032520 - Laserfiche WebLink

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13. "Clay" means a substance composed of natural, inorganic, fine-grained crystalline mineral fragments which, when mixed with water, forms a pasty, moldable mass that preserves its shape when air dried. 14. "Closed loop geothermal heat exchange injection well" or"geothermal well" means an excavation that is drilled into which a sealed pipe loop is inserted through which fluid or gas is recirculated for the sole purpose of a vertical closed loop geothermal heat exchange system. 15. "Closed loop geothermal heat exchange system"means a system of continuous piping,part of which is installed in the subsurface, through which moves a fluid or gas that does not exit the piping, and which is used to transfer heat energy to and from the fluid or gas. 16. "Commission" means the North Carolina Environmental Management Commission or its successor, unless otherwise indicated. 17. "Consolidated rock" means rock that is firm and coherent, solidified or cemented, such as granite, gneiss, limestone, slate or sandstone,which has not been decomposed by weathering. 18. "Construction of wells" means the term as defined in G.S. 87-85. 19. "Construction permit"means a well construction permit issued by the OCHD authorizing or allowing the construction of any water well as defined in Section I of these Rules. 20. "Contaminate" or "Contamination" means the introduction of foreign materials of such nature, quality, and quantity into the groundwater as to exceed the groundwater quality standards specified in 15A NCAC 2L (Classifications and Water Quality Standards Applicable to the Groundwater of North Carolina). [Note: As specified in 15A NCAC 2L.0202 (b) (3), where naturally occurring substances exceed the established standard, the standard shall be the naturally occurring concentration as determined by the Division. 21. "Designed capacity" shall mean that capacity that is equal to the yield that is specified by the well owner or his or her agent prior to construction of the well. 22. "Development"means the process of properly casing and lining of the well and of removing all drill cuttings, formation material, sediment, or other settled or suspended debris from a new or existing well. 23. "Disinfect" or"Disinfection"means protecting against any contamination from equipment, material, or surface drainage introduced during well construction or repair, immediately following their construction or repair. 24. "Division of Water Resources" or "Division" means the North Carolina Division of Water Resources or its successor. The term also means the authorized representative of the Division. 6