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State and OCHD. <br /> History Note: Substitute for NCAC 02C.0111 <br /> Eff. July 1, 2008;amended eff. October 23, 2009;March 25, 2020 <br /> III. SECTION III STANDARDS OF CONSTRUCTION: NON-DRINKING WATER SUPPLY WELLS <br /> A. Non-domestic water supply wells shall meet all standards as specified in Section II of <br /> this Rule. <br /> B. MONITORING WELLS <br /> 1. Monitoring wells that do not penetrate consolidated rock shall not be subject to these <br /> Rules and do not require permits from the OCHD. <br /> 2. Primary(outer)well casing shall meet the casing material and grouting requirements <br /> of Section 11 (D)and (E)of these Rules respectively, except that thermoplastic casing comment[VH69]:ADDITON OF PVC ASA LOCAL <br /> r be installed, per the manufacturer's specifications,without the submission of a OPTION FOR MONITORING WELLS <br /> consent form signed by the well owner otherwise monitoring well construction shall <br /> meet the requirements of 15A NCAC 2C .0108 Alternative materials and grouting <br /> methods may be submitted to the OCHD and considered for approval based on <br /> evidence provided by the project licensed professional. <br /> 3. Monitoring well locations shall meet the horizontal setback standards as required in <br /> Section 11 (A)of these Rules. Reduction of these setbacks may be allowed provided <br /> that a justification is submitted to OCHD establishing that the setbacks as required <br /> would adversely affect the site investigation. The justification may be submitted by <br /> either: <br /> a)The licensed professional (ex. engineer,geologist)overseeing the site <br /> investigation, or <br /> b)The state agency overseeing the site investigation. <br /> 4. Monitoring wells and recovery wells shall be located, designed, constructed,operated <br /> and abandoned with materials and by methods which are compatible with the <br /> chemical and physical properties of the contaminants involved, specific site <br /> conditions and specific subsurface conditions. <br /> 5. Monitoring well and recovery well boreholes shall not penetrate to a depth greater <br /> than the depth to be monitored or the depth from which contaminants are to be <br /> recovered.Any portion of the borehole that extends to a depth greater than the depth <br /> to be monitored or the depth from which contaminants are to be recovered shall be <br /> grouted completely to prevent vertical migration of contaminants. <br /> 6.The well shall not hydraulically connect: <br /> a)Separate aquifers;or <br /> 33 <br />