C.R.S.
Section 34-32-112.5
Designated mining operation
- rules
(1)
This section shall apply only to designated mining operations as defined in section 34-32-103 (3.5). All nondesignated mining operations are exempt from this section. The board may propose that the general assembly enact specific requirements for exempted operations as set forth in subsection (2) of this section.(2)
If an operator demonstrates to the board at the time of applying for a permit or at a subsequent hearing that toxic or acidic chemicals are not stored or used on-site and that acid- or toxic-producing materials will not be used, stored, or disturbed in quantities sufficient to adversely affect any person, any property, or the environment, the board shall exempt such operations whether conducted pursuant to section 34-32-110 or otherwise. The board may promulgate rules governing the conduct of mining operations which are exempted pursuant to this subsection (2).(3)
When promulgating rules governing designated mining operations, the board shall consider the economic reasonableness, the technical feasibility, and the level or degree of any environmental concerns which may result from:(a)
Designated mining operations which qualify for permits under section 34-32-110 which shall be referred to as “110d” permits;(b)
Designated mining operations which qualify for permits under section 34-32-112, but which affect less than fifty acres and extract less than one million tons per year which shall be referred to as “112d-1” permits;(c)
Designated mining operations which qualify for permits under section 34-32-112 which do not qualify as 112d-1 permits but which affect less than one hundred acres and which extract less than five million tons per year which shall be referred to as “112d-2” permits; or(d)
Any other designated mining operation which shall be referred to as “112d-3” permits.(4)
Intentionally left blank —Ed.(a)
By rule or as a condition of issuing a permit, the board or office may require an operator to have an inspection and certification of any new environmental protection facility during its construction at a designated mining operation. Any such rule or condition may include a prohibition on subsequent phases of construction or operation until any required inspections have been performed and the requisite certification has been obtained.(b)
Intentionally left blank —Ed.(I)
An inspection and certification shall be conducted by a properly qualified professional.(II)
The office may be present during any inspection and certification conducted pursuant to subparagraph (I) of this paragraph (b) and may require the operator to take any corrective actions necessary to obtain and verify certification.(III)
Any inspection and certification conducted by or under the supervision of the office shall be conducted promptly after the office is notified that the facility is ready to be inspected and shall not unduly delay the construction or operation schedule.(5)
Intentionally left blank —Ed.(a)
An application for an in situ leach mining operation shall include a baseline site characterization and a plan for ongoing monitoring of the affected land and affected surface and groundwater. Prior to submitting an application, the prospective applicant shall confer with the office concerning the baseline characterization and plan for ongoing monitoring of the affected land and affected surface and groundwater. The board or the office may retain an independent third-party professional expert to oversee baseline site characterization, monitor field operations, or review any portion of the information collected, developed, or submitted by an applicant or prospective applicant pursuant to this subsection (5). The prospective applicant shall pay the reasonable costs incurred by the board or office and the expert selected by the board or office; except that the board or office shall define the scope of work to be accomplished by the expert and shall review and approve all invoices to be paid by the prospective applicant. The prospective applicant may object to the selection of any such expert if the prospective applicant has knowledge or information that the expert lacks the professional qualifications to accomplish the scope of work, has a conflict of interest with the prospective applicant or the project that will be the subject of the application, or has a bias that could influence the objectivity of the work to be accomplished. If the board or office concurs with the prospective applicant, a new expert shall be selected by the board or office.(b)
Prior to submitting an application, a prospective applicant for in situ leach mining shall design and conduct a scientifically defensible groundwater, surface water, and environmental baseline characterization and monitoring plan for the proposed mining operation. This plan shall be designed in such a manner as to:(I)
Thoroughly characterize premining site conditions;(II)
Detect any subsurface excursions of groundwater containing chemicals used in or mobilized by in situ leach mining during the mining operations; and(III)
Evaluate the effectiveness of postmining reclamation and groundwater reclamation plans.(c)
The design and operation of the baseline characterization and monitoring plan for in situ leach mining, together with all information collected in accordance with the plan, shall be a matter of public record regardless of whether such activities are conducted pursuant to a notice of intent to conduct prospecting operations under section 34-32-113.(d)
Intentionally left blank —Ed.(I)
Notwithstanding section 34-32-103 (6), in the case of in situ leach mining, reclamation of groundwater shall begin in accordance with the reclamation plan approved by the board immediately when either of the following occur:(A)
Detection pursuant to the baseline characterization and monitoring plan approved by the board of any subsurface excursion of groundwater outside of the affected land containing chemicals used in or mobilized by in situ leach mining during the mining operations or groundwater outside of the affected land that otherwise fails to meet the standards established in section 34-32-116 (8);(B)
Cessation of production operations.(II)
If the operator plans to cease operation on a temporary basis, the operator shall notify the board at least thirty days prior to such temporary cessation setting forth both the reasons for the temporary cessation and the expected duration of the temporary cessation. The operator shall maintain a groundwater monitoring and pumping regime satisfactory to the board during any period of temporary cessation of operations. If, in the judgment of the board, the expected duration of any temporary cessation will be of such length that the board believes that groundwater reclamation should commence, it shall so order.
Source:
Section 34-32-112.5 — Designated mining operation - rules, https://leg.colorado.gov/sites/default/files/images/olls/crs2023-title-34.pdf (accessed Oct. 20, 2023).
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