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• iii iiniiiiniii iii , ~ STATE OF COLORADO MINED LAND RECLAMATION DIVISION oF~~o~ Department of Natural Resources ~~`~>'$ 1313 Sherman St., Room 215 . i` , Denver, CO 60203 .. 303 666-3567 `ys~a` Fn x: 303 6328106 ~ ~ Roy Romer, Gwemor Mkhael B. Long, Division Director April 14, 1992 . Mr. Douglas L. Conger Engineering Geologist Nielsons Inc. P.O. Box 1660 Cortez, CO 81321 RE: Permit Amendment; Nielsons Inc.; Cortez Pit; Permit No. M-76-059; Response to Inspection Report; As Above Dear Doug: The Division has received correspondence from the Colorado Historical Society and the Division of Water Resources regarding the above cited permit amendment (copies enclosed). Some of this will require your attention. We also received a message to call the U.S. Army Corps of Engineers (Sue Nall; 303-243-1199); presently she is out of her office and I will be out for some time, so we have not been able to determine what interest the Corps may have in the site. You may find it advantageous to contact them directly. In your April 3, 1992 letter you from the dates calculated by the your "Filing date" was March 19, March 26, when missing documents which all other dates are calcul calculated response dates, some of which differ Division. The reason for this is that even though the permit was not considered "complete" until were received. Thus, March 26 is the date from ated. Your April 3, 1992 letter also indicated that the reclamation specialist who inspected the Cortez pit may have been overly optimistic to expect compliance within 60 days from the date of his inspection report. The expected 60-day turnaround referred to submittal of the application. It did not refer to completion of the amendment, as you surmised. In your April 2, 1992 letter you indicated that explosives storage on site is a necessary component of quarry operation. From discussions with you during the inspection, I gather that the implication of your comment is that you believe explosives need not be considered in permit applications. Please know that many operators choose not to store explosives on site, mostly for security reasons. The Division, of course, recognizes the need to use explosives in various operations, but makes a distinction in bonding between operations that store explosives on site and those that store them elsewhere. To calculate the bond for explosives stored on site we would consider the worst-case scenario, that is, what it would cost to safely remove and dispose of explosives that are unstable (provided stability is a factor). Because Nielsons Inc. will be storing explosives on site, they will need to specify the maximum amounts in storage and bond for their removal. This amount may be small, even trivial, but when considered with the many other small expenses of reclamation, it adds up. In addition, the permit should include in the list of other permits and licenses the state permit for storing explosives. .its:.