2011-05-17_REVISION - C1981008 (2)

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12. Rules 4.05.13(1)(d)(ii), 4.05.13(3)(a), and 4.07 Removal of Monitoring Equipment All ground water monitoring equipment, structures and devices shall be removed in accordance with 4.07 when no longer required. Equipment, structures, and other devices necessary to measure and sample accurately the quality and quantity of surface and ground water shall be ... removed when no longer required. Each exploration hole, other drill or borehole, well or other exposed undergound opening shall be plugged, sealed, or otherwise managed, as approved by the Division (Rule 4.07.3). From information supplied by the Applicant in the Application, and Permit files, the Division finds the Applicant in compliance with these Rules. Specifically excluded from the 1987 Findings were monitoring wells and drill holes (page 4). All drill holes and underground openings were reported as having been properly sealed in the Findings of Compliance of 1990, page 12 (Permit Renewal). The Phase II Bond Release of 1992 did not address sealing of openings, drill holes or wells. The sealing of such features was not identified as remaining obligations of reclamation (page 6). However, an addendum to the 1992 Findings, issued on June 15, 1994, identified the "documentation of sealing of all monitoring wells associated with the Meeker Area Mines" as a remaining requirement. The Findings of Compliance of 1994 (page 11) (Permit Renewal) state that "The Division will require that each hole, well or other underground opening be capped, sealed, backfilled, or otherwise properly managed (4.07.3)". This Phase II/Phase III Bond Release Application of 1997 did not specifically address, nor did it provide any information on, documentation of sealing of monitoring wells. This requirement is considered in this Findings According to the Application and information in the Permit, the mining method was room and pillar. No subsidence was experienced that fractured overlying sandstones (Application, page 17). According to the Application and information in the Permit, the mining method was room and pillar. No subsidence was experienced that fractured overlying sandstones (Application, page 17). as a Phase III requirement. A report on the status of groundwater observation wells was provided in the Meeker Area Mines Annual Water Report for the 1986 water year. A recapitulation of this information is at Document 24. Underground openings (portals) were reported as sealed and approved by the Division (Meeker Area Mines C-032-81 Proposed Decision and Findings of Compliance for a Reclamation Only Permit Renewal, July 10, 1990). 13. Rule 4.15.8 Success Standards for Cover Established vegetation must meet the approved success standard for cover. The Applicant is in compliance with this rule. See the discussion under Paragraph III.D.2 above. 14. Rule 4.15.9 Revegetation Criteria, Cropland If cropland, the vegetation must produce at 90% of nonmined or reference areas. 27 20 January 1998