2010-03-16_REVISION - M1981185 (29)

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Mayday Mine and Mill Site, Wildcat Mining Corporation, 110(2) Permit Amendment Exhibit C . • Sketches of the blast pattern including the number of holes, burden, spacing and delay pattern. Sketches shall also show decking, if holes are decked to achieve different delay times with a hole • Diameter and depth of the holes • Types of explosives used • Total weight of explosives used per hole and maximum weight of explosives used per 8 millisecond period; • Initiation system; • Type and length of stemming • Mats or other protection used • Type of delay detonator and delay periods used; • Number of persons in the blasting crew; and • Seismographic records, where required, including; • Type of instrument, sensitivity, and calibration signal of the gain setting or certification of annual calibration; • Exact location of instrument and the date, time and its distance from the blast; • Names of the person and firm taking the readings; • Name of the person and firm analyzing the seismographic record; • The vibration level recorded. Wildcat will conduct a pre -blast survey of potentially affected structures. Pre -blast surveys will be conducted at all structures located within 1 /2 mile of the proposed blast unless persons in ownership of control deny access to the structures. Written request to conduct pre -blast surveys will be sent to owners of all structures a minimum of 30 days prior to initiation of blasting. A • blasting schedule may be used in lieu of notifying for each individual blast. Wildcat Mining Corporation will submit a pre -blast survey plan for Division review and approval prior to conducting the survey. (p) Emergency Response Plan An Emergency Response Plan has been prepared to meet Mine Safety Health Administration regulations. A copy is presented in Attachment C -8. In addition Wildcat Mining Corporation will comply with the following Spill Reporting requirements (Rule 3 3.1.13) • Will notify DRMS of a spill of any toxic or hazardous substances, including spills of petroleum products that occurs within the mined land permit area and that required by CDPHE, the National Response Center, the Colorado Emergency Planning Commission, local Emergency Planning Committee or the State Oil Inspector. Within 24 hours of the time of the spill notice DRMS via phone, facsimile or e- mail and include in the notice any relevant information known at the time of the spill including Operation name, DRMS permits number and name of the person reporting the spill, Telephone number of a responsible company official for the Office staff, Date and time of the spill, Type of material spilled (CAS number from MSDA data sheets) Estimate of the amount spilled whether any material has left the permit areas and where the spilled material went, and Initial measure taken to contain and clean up the spill Copy of correspondence and or written reports provided other agencies per rule 3.1.13.(2) . March 12, 2010 Amendment M- 1981 -185 11