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RECPP f c.D <br /> April 15. 2016 APR 15 2016 <br /> DIVISION OF RECLAMATION <br /> MINING AND SAFETY A;6L <br /> Mr. Michael Cunningham AGGREGATE <br /> Division of Reclamation. Mining & Safety IND'JSTRIES <br /> 1313 Sherman Street, Room 215 <br /> Denver, CO 80203 <br /> Re: Permit No. M-1977-141 — Lyons Quarry <br /> Corrective Action Extension Request <br /> Dear Michael: <br /> Aggregate Industries requests an extension of time to respond to two corrective action items <br /> identified in the Division's report of its March 2, 2016 inspection. Revegetation and Sediment <br /> Control were cited as problems requiring action by April 18. 2016. Based on the following. we <br /> are requesting an extension to May 2. 2016. <br /> With regard to controlling State listed noxious weeds, Aggregate will develop a weed control <br /> and management plan since. as you state in your report, there apparently is not a weed control <br /> plan on file with the Division. Aggregate weed contractor. Foothills Vegetation. contacted <br /> Boulder County Resource Management Division's weed coordinator. Steve Sauer, to discuss and <br /> arrange for a site assessment. Ste%c's onl\ response was that there is no way to access until the <br /> road and bridge are repaired. As you and I discussed by phone. Aggregate will go ahead and <br /> prepare a basic plan. which will be based on \\eed control activities that were being conducted at <br /> the site prior to the September 2013 flood. The plan \gill be submitted as a technical revision by <br /> May 2. <br /> Christine <~elz from Aggregate communicated with you regarding proposed stormwater/erosion <br /> control measures, which would include use of silt fence, hay bales or other temporary BMP's to <br /> divert runoff and filter stormwater that does flow to the river. Christine advised that you <br /> responded that these control methods would be sufficient to address the Sediment Control <br /> corrective action. Arrangements have been made with I.T Environmental to install the BMPs <br /> and take pictures as required by the corrective action. They were scheduled for Monday. April <br /> 18. but due to pending weather concerns they are rescheduling. <br /> Both of the above corrective actions require access to the site which, until the road and bridge are <br /> Aggregate Industries <br /> West Central Region,Inc. <br /> 1687 Cole Boulevard,Suite 300 <br /> Golden,CO 80401 <br /> An Equal Opportunity Employer <br /> Telephone:303.985-1070 <br />