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5.2.11 <br /> 5.2.45 "Pump installation contractor" means "any person licensed to install, remove, modify, or <br /> repair pumping equipment for compensation." § 37-91-102(14), C.R.S. <br /> 5.2.15 <br /> 5.2.46 "PVC casing" means polyvinyl chloride casing as specified in ASTM Standard F480-14 <br /> (2014, Thermoplastic Well Casing Pipe)that is clearly marked by the manufacturer as "well <br /> casing". <br /> 5.2.16 <br /> 5.2.47 "Recovery well" means a well which is constructed specifically for aquifer remediation, or for <br /> the removal of contaminants from an aquifer. <br /> 5.2.47 <br /> 5.2.48 "Repair" means "any change, replacement, or other alteration of any well or pumping <br /> equipment which requires a breaking or opening of the well seal or any waterlines up to and <br /> including the pressure tank and any coupling appurtenant thereto." § 37-91-102(15), C.R.S. <br /> 5.2.18 <br /> 5.2.49 "Replacement well" means "a new well which replaces an existing well and which shall be <br /> limited to the yield of the original well and shall take the date of priority of the original well, <br /> which shall be abandoned upon completion of the new well." § 37-90-103(13), C.R.S. All <br /> rcplaccmcntwcll -•__ -- -- --- • -- -- • - •:.• . <br /> C.R.S. All replacement wells must be properly permitted by the State Engineer.5.2.19 <br /> 5.1.25.2.50 "Static water level" means the water level in a well when there is less than one (1) <br /> foot difference between two (2) consecutive water level measurements taken at least sixty-(60) <br /> minutes apart <br /> 5.1.35.2.51 "Supervision" means "personal and continuous on-the-site direction by a licensed <br /> well construction contractor or licensed pump installation contractor, unless the licensed <br /> contractor has applied for and received from the board an exemption from continuous on-the- <br /> site direction for a specific task." § 37-91-102(15.5), C.R.S. <br /> 5.2.52 5.2.51 "Surface Water" New Definition - Do we need a "surface water' definition? Waters of <br /> the State?- <br /> 5.2.53 "Test hole" "includes any excavation that is drilled, cored, bored, washed, fractured, driven, <br /> dug,jetted, or otherwise constructed when the intended use of such excavation is for <br /> geotechnical, geophysical, or geologic investigation or soil- or rock-sampling." § 37- <br /> 91-102(15.7), C.R.S. Test holes must be properly plugged, sealed, and abandoned <br /> upon the completion of the geotechnical, geophysical, or geologic investigation or <br /> soil- or rock-_sampling. Any test hole that penetrates through a confining tayerunit <br /> between two distinct aquifers must be constructed by a licensed contractor pursuant <br /> to a Notice of Intent filed with the State Engineer. See Rule 6.3. <br /> A"dry hole" or borehole not completed for its intended use as a production water well <br /> constructed pursuant to an issued well permit is not a Test hole (see Rule 5.2.21) <br /> Any borehole constructed or used for environmental groundwater investigations, or <br /> repeated groundwater observations, measurements, or samplings, is a monitoring and <br /> observation hole or well (5.2.30 or 5.2.31), not a test hole, and may only be constructed <br /> under a notice of intent or well permit. See Rules 6.3 & 14.2.1. <br /> 5.2.52 <br /> 5.2.54 "Type 11 aquifer" is defined above at Rule 5.2.3.24. <br /> 5.2.53 <br /> 5.2.55 "Type 142 aquifer" is defined above at Rule 5.2.3.3. <br /> 5.2.56 "Type 3 aquifer" is defined above at Rule 5.2.2,23_4. <br /> 5.2.51 "Type 111 aquifer" is defined above at Rule 5.2.2.3. <br /> 5.2.55 <br /> 5.2.57 "Valid permit" means a well permit issued by the State Engineer that has not been <br />