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ground under natural conditions." § 37-91-102(7), C.R.S.- In these Rules, the term <br /> "groundwater" has the same meaning as defined at section 37-91-102(7), C.R.S. <br /> 5.2.23 <br /> 5.2.25 "Grout" means any material, approved by the Board, that is used to form a permanent <br /> impermeable seal in the annulus between the casing and the borehole wall or between <br /> two strings of casing, or that is used in plugging, sealing, and abandoning a borehole or <br /> well. See Rule 10.5.1. <br /> 5.2.24 <br /> 5.2.26 "Grouting" means the process by which grout is placed in the borehole or casing. <br /> 5.2.25 <br /> 5.2.27 "Hydraulic fracturing of a water well" means the treatment of a water well by the <br /> application of fluid or other substance or fluid additive under pressure that is expressly <br /> designed to initiate or propagate fractures in the permitted production interval to <br /> enhance the flow or production of water in that interval. <br /> 5.2.26 <br /> 5.2.28 "Installation of pumping equipment" means "the selection, placement, and <br /> preparation for operation of pumping equipment, including all construction involved in <br /> entering the well and establishing well seals and safeguards to protect groundwater from <br /> contamination." § 37-91-102(8), C.R.S. <br /> 5.2.27 <br /> 5.2.29 "Laramie-Fox Hills aquifer" is defined above in Rule 5.2.2.4- <br /> 5.2.28 <br /> 5.2.30 "License" means "the document issued by the Board to qualified persons making <br /> application therefor, pursuant to section 37-91-105, authorizing such persons to <br /> engage in one or more methods of well construction or pump installation or any <br /> combination of such methods." § 37-91-102(10), C.R.S. <br /> 5.2.29 <br /> 5.2.31 "Lithologic log" means a written geologic description of the type, color, and character <br /> of the soil and rock materials penetrated by the drilling procedure or activity. <br /> 5.2.30 <br /> 5.2.32 "Monitoring and observation hole" means a temporary well constructed for the <br /> purpose of repeated observations, measurements, esamplings or remediation of <br /> groundwater. Temporary wells completed for environmental groundwater investigations <br /> are monitoring and observation holes. A monitoring and observation hole may only be <br /> constructed upon a notice of intent. See Rules 6.3 & 14.2.1. A monitoring and <br /> observation hole must be plugged, sealed, and abandoned in less than eighteen (18) <br /> months from the date it was constructed unless a permit for a monitoring and observation <br /> well has been obtained from the State Engineer. See Rule 14.2.1. <br /> A monitoring and observation hole is not a test hole (see Rule 5.2.54-54 for definition of <br /> "test hole"). <br /> A monitoring and observation hole excludes fully-grouted vibrating wire piezometers, , <br /> inclinometers, soil vapor extraction wells, or air sparge structures that do not encounter <br /> the water table. <br /> 5.2.33 5.2.31 "Monitoring and observation well" "includes any excavation that is drilled, <br /> cored, bored, washed, fractured, driven, dug,jetted, or otherwise constructed when the <br /> intended use of such excavation is for locating such well, pumping equipment or <br /> aquifer testing, monitoring groundwater, or collection of water quality samples." § <br /> 37-91-102(10.5), <br /> C.R.S. <br /> A monitoring and observation well must be permitted by the State Engineer. See § 37-90- <br /> 105(1)(d), C.R.S.; § 37-92-602(1)(f), C.R.S.; and Rule 14.2.2. <br /> 5.2.32 <br /> A monitoring and observation well excludes fully-grouted vibrating wire piezometers, <br /> inclinometers, soil vapor extraction wells, or air sparge structures that do not encounter <br /> the water table. <br />