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Epvi6roi?n)ei)t, lC. <br />LARRY E. O'BRIAN 7985 VANCE DRIVE, SUITE 205A <br />FOUNDER ARVADA, COLORADO 80003 <br />STEVAN L. O'BRIAN 303 - 423 -7297 <br />PRESIDENT FAX 303 - 423 -7599 <br />October 29, 2013 <br />Mr. Michael A. Cunningham RECEIVED <br />Division of Reclamation, Mining & Safety <br />1313 Sherman St., Suite 215 OCT 3 1 2013 <br />Denver, CO 80203 Dwfisiion of Peel , <br />"MFiriinc� & Safir' <br />Dear Michael: <br />RE: Colorado Red Rose LLC - Colorado Red Rose LLC Stone Resource <br />Permit # M- 2013 -068 - Adequacy #2 - Response <br />On behalf of my client Colorado Red Rose LLC, I am responding to your second adequacy <br />review letter received on October 28, 2013. I have included your review point that needed to be <br />addressed as presented in your letter so the question and answer will be in the same document for <br />easy reference. <br />Blasting Plan <br />The Applicant has committed to maintaining overpressure at 133 dB at a point between the <br />closest shot and the nearest house, where a straight line from the hole to the house intersects <br />the property line. The Division requests that the Applicant also commit to maintaining a peak <br />particle velocity of 1.0 inch /sec or less, at the same point. Please respond. <br />The applicant will commit to maintaining a peak particle velocity of 1.0 inch /second to less, at a <br />point between the closest shot and the nearest house where a straight line from the hole to the house <br />intersects the property iine. <br />I will mail this original today and supply a copy or all adequacy correspondence in the <br />application packet when it is completed. Thanks for your help and if you have more questions <br />please call me. <br />Sincerely, <br />Environment, Inc. <br />,�5 4e (9-- <br />Stevan L. O'Brian <br />President <br />cc Colorado Rose Red, Inc. - Caleb Liesveld <br />Bradley Blasting - Jeff Bradley <br />Overlook Mine, LLC - Ken Evans <br />file <br />