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Mr. Steve Renner <br />3 <br />typical blast pattern as proposed in the mine plan. The abatement, as required by <br />DMG, would include an explanation in writing of the modifications to the typical <br />blast pattern for each blast. It will also include other information found on a sketch. <br />AFO is not clear as to how the operator would provide in the record the number of <br />holes normally shown on a sketch, as well as, the spacing and delay pattern. <br />Verification of how that is to be provided must be submitted to AFO prior to making <br />a determination as to whether DMG's response is appropriate. Please submit the <br />additional data within 10 days of receipt of this review. <br />If you disagree with the findings of this office, you may request an informal review <br />in accordance with 30 CFR 842.11(b)(1)(iii)(A). <br />Sincerely, <br /> <br />Robert H. Hagen, Director <br />Albuquerque Field Office <br />